./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 ............................................................................................................................................................................................................................................. 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 0.2.0-7b2dab5 [2020-12-03 12:35:28,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:35:28,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:35:28,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:35:28,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:35:28,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:35:28,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:35:28,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:35:28,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:35:28,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:35:28,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:35:28,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:35:28,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:35:28,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:35:28,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:35:28,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:35:28,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:35:28,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:35:28,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:35:28,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:35:28,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:35:28,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:35:28,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:35:28,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:35:28,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:35:28,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:35:28,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:35:28,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:35:28,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:35:28,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:35:28,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:35:28,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:35:28,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:35:28,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:35:28,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:35:28,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:35:28,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:35:28,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:35:28,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:35:28,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:35:28,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:35:28,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-03 12:35:28,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:35:28,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:35:28,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:35:28,460 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:35:28,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:35:28,461 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:35:28,461 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:35:28,461 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:35:28,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:35:28,462 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:35:28,462 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:35:28,462 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:35:28,462 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:35:28,462 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:35:28,463 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:35:28,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:35:28,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:35:28,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:35:28,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:35:28,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:35:28,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:35:28,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:35:28,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:35:28,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:35:28,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:35:28,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:35:28,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:35:28,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:35:28,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:35:28,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:35:28,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:35:28,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:35:28,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:35:28,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:35:28,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:35:28,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:35:28,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:35:28,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:35:28,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:35:28,468 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-12-03 12:35:28,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:35:28,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:35:28,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:35:28,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:35:28,770 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:35:28,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-12-03 12:35:28,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/709e4eca9/ad45ff9ea8a1434ca74554418d291377/FLAG29dcaacc1 [2020-12-03 12:35:29,336 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:35:29,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-12-03 12:35:29,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/709e4eca9/ad45ff9ea8a1434ca74554418d291377/FLAG29dcaacc1 [2020-12-03 12:35:29,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/709e4eca9/ad45ff9ea8a1434ca74554418d291377 [2020-12-03 12:35:29,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:35:29,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:35:29,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:35:29,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:35:29,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:35:29,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b05dc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29, skipping insertion in model container [2020-12-03 12:35:29,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:35:29,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:35:29,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2020-12-03 12:35:29,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:35:29,916 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:35:29,933 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2020-12-03 12:35:29,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:35:29,951 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:35:29,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29 WrapperNode [2020-12-03 12:35:29,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:35:29,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:35:29,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:35:29,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:35:29,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:35:29,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:35:29,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:35:29,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:35:29,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:29,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2020-12-03 12:35:30,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:35:30,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:35:30,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:35:30,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:35:30,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/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 [2020-12-03 12:35:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:35:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:35:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 12:35:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:35:30,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:35:30,351 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-03 12:35:30,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:30 BoogieIcfgContainer [2020-12-03 12:35:30,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:35:30,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:35:30,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:35:30,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:35:30,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:35:29" (1/3) ... [2020-12-03 12:35:30,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcbbfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:35:30, skipping insertion in model container [2020-12-03 12:35:30,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (2/3) ... [2020-12-03 12:35:30,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcbbfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:35:30, skipping insertion in model container [2020-12-03 12:35:30,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:30" (3/3) ... [2020-12-03 12:35:30,382 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-12-03 12:35:30,410 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:35:30,413 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:35:30,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:35:30,452 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:35:30,458 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:35:30,458 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:35:30,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:35:30,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:35:30,469 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:35:30,469 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:35:30,469 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:35:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-12-03 12:35:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 12:35:30,496 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:35:30,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-03 12:35:30,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:35:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:35:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2020-12-03 12:35:30,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:35:30,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73220013] [2020-12-03 12:35:30,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:35:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:35:30,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:35:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:35:30,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:35:30,725 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-03 12:35:30,726 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:35:30,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:35:30,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:35:30 BoogieIcfgContainer [2020-12-03 12:35:30,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:35:30,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:35:30,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:35:30,756 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:35:30,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:30" (3/4) ... [2020-12-03 12:35:30,769 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 12:35:30,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:35:30,775 INFO L168 Benchmark]: Toolchain (without parser) took 1050.71 ms. Allocated memory is still 88.1 MB. Free memory was 57.4 MB in the beginning and 40.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:30,777 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 47.0 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:35:30,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 66.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:30,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.86 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 64.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:35:30,782 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 63.6 MB in the end (delta: 954.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:30,783 INFO L168 Benchmark]: RCFGBuilder took 353.00 ms. Allocated memory is still 88.1 MB. Free memory was 63.6 MB in the beginning and 52.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:30,784 INFO L168 Benchmark]: TraceAbstraction took 382.77 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 40.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:30,785 INFO L168 Benchmark]: Witness Printer took 14.91 ms. Allocated memory is still 88.1 MB. Free memory was 40.9 MB in the beginning and 40.6 MB in the end (delta: 370.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:35:30,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 47.0 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 66.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.86 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 64.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.14 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 63.6 MB in the end (delta: 954.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.00 ms. Allocated memory is still 88.1 MB. Free memory was 63.6 MB in the beginning and 52.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 382.77 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 40.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 14.91 ms. Allocated memory is still 88.1 MB. Free memory was 40.9 MB in the beginning and 40.6 MB in the end (delta: 370.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, ACCELERATED_INTERPOLATION: 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 0.2.0-7b2dab5 [2020-12-03 12:35:33,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:35:33,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:35:33,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:35:33,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:35:33,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:35:33,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:35:33,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:35:33,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:35:33,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:35:33,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:35:33,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:35:33,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:35:33,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:35:33,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:35:33,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:35:33,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:35:33,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:35:33,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:35:33,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:35:33,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:35:33,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:35:33,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:35:33,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:35:33,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:35:33,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:35:33,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:35:33,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:35:33,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:35:33,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:35:33,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:35:33,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:35:33,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:35:33,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:35:33,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:35:33,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:35:33,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:35:33,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:35:33,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:35:33,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:35:33,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:35:33,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-03 12:35:33,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:35:33,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:35:33,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:35:33,504 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:35:33,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:35:33,504 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:35:33,504 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:35:33,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:35:33,505 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:35:33,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:35:33,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:35:33,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:35:33,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:35:33,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:35:33,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:35:33,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:35:33,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:35:33,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:35:33,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:35:33,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:35:33,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:35:33,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:35:33,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:35:33,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:35:33,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:35:33,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:35:33,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:35:33,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:35:33,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:35:33,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:35:33,516 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:35:33,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:35:33,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:35:33,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:35:33,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:35:33,517 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-12-03 12:35:33,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:35:33,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:35:33,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:35:33,915 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:35:33,916 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:35:33,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-12-03 12:35:34,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/f460d6375/33ed353da61b47f9a77f65288c2c1929/FLAG4ae832dae [2020-12-03 12:35:34,623 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:35:34,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-12-03 12:35:34,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/f460d6375/33ed353da61b47f9a77f65288c2c1929/FLAG4ae832dae [2020-12-03 12:35:34,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/data/f460d6375/33ed353da61b47f9a77f65288c2c1929 [2020-12-03 12:35:34,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:35:34,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:35:34,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:35:34,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:35:35,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:35:35,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:34" (1/1) ... [2020-12-03 12:35:35,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ced476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35, skipping insertion in model container [2020-12-03 12:35:35,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:34" (1/1) ... [2020-12-03 12:35:35,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:35:35,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:35:35,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2020-12-03 12:35:35,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:35:35,238 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:35:35,258 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2020-12-03 12:35:35,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:35:35,282 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:35:35,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35 WrapperNode [2020-12-03 12:35:35,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:35:35,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:35:35,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:35:35,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:35:35,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:35:35,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:35:35,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:35:35,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:35:35,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... [2020-12-03 12:35:35,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:35:35,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:35:35,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:35:35,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:35:35,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/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 [2020-12-03 12:35:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:35:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:35:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 12:35:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:35:35,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:35:35,760 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-03 12:35:35,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:35 BoogieIcfgContainer [2020-12-03 12:35:35,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:35:35,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:35:35,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:35:35,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:35:35,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:35:34" (1/3) ... [2020-12-03 12:35:35,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f576ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:35:35, skipping insertion in model container [2020-12-03 12:35:35,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:35" (2/3) ... [2020-12-03 12:35:35,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f576ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:35:35, skipping insertion in model container [2020-12-03 12:35:35,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:35" (3/3) ... [2020-12-03 12:35:35,770 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-12-03 12:35:35,784 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:35:35,787 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:35:35,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:35:35,822 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:35:35,822 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:35:35,822 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:35:35,822 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:35:35,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:35:35,823 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:35:35,823 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:35:35,823 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:35:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-12-03 12:35:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 12:35:35,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:35:35,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 12:35:35,859 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:35:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:35:35,878 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-12-03 12:35:35,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:35:35,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003721089] [2020-12-03 12:35:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/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 [2020-12-03 12:35:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:35:36,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:35:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:35:36,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:35:36,146 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-03 12:35:36,147 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:35:36,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 12:35:36,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:35:36 BoogieIcfgContainer [2020-12-03 12:35:36,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:35:36,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:35:36,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:35:36,391 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:35:36,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:35" (3/4) ... [2020-12-03 12:35:36,398 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:35:36,457 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbafd33d-659e-4c89-af52-6492afaad241/bin/utaipan/witness.graphml [2020-12-03 12:35:36,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:35:36,461 INFO L168 Benchmark]: Toolchain (without parser) took 1468.63 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.1 MB in the beginning and 43.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,464 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:35:36,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 23.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.98 ms. Allocated memory is still 54.5 MB. Free memory was 23.3 MB in the beginning and 38.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,473 INFO L168 Benchmark]: Boogie Preprocessor took 41.76 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 36.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:35:36,474 INFO L168 Benchmark]: RCFGBuilder took 360.55 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 26.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,475 INFO L168 Benchmark]: TraceAbstraction took 623.89 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 26.3 MB in the beginning and 45.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,475 INFO L168 Benchmark]: Witness Printer took 67.27 ms. Allocated memory is still 71.3 MB. Free memory was 44.9 MB in the beginning and 43.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:35:36,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 23.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.98 ms. Allocated memory is still 54.5 MB. Free memory was 23.3 MB in the beginning and 38.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.76 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 36.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 360.55 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 26.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 623.89 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 26.3 MB in the beginning and 45.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 67.27 ms. Allocated memory is still 71.3 MB. Free memory was 44.9 MB in the beginning and 43.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...