./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 4f322714ac20f006604c99f1f234e99ccbfae195 ....................................................................................................................................................................................................................................................... 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/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 4f322714ac20f006604c99f1f234e99ccbfae195 ............................................................................................................................................................................................................................................................................................................ 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-cad4683 [2019-10-22 11:23:33,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:33,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:33,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:33,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:33,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:33,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:33,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:33,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:33,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:33,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:33,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:33,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:33,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:33,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:33,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:33,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:33,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:33,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:33,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:33,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:33,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:33,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:33,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:33,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:33,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:33,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:33,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:33,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:33,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:33,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:33,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:33,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:33,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:33,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:33,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:33,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:33,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:33,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:33,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:33,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:33,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:33,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:33,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:33,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:33,117 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:33,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:33,117 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:33,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:33,117 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:33,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:33,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:33,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:33,118 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:33,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:33,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:33,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:33,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:33,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:33,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:33,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:33,122 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/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-10-22 11:23:33,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:33,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:33,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:33,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:33,165 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:33,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 11:23:33,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/1a9ea67ff/69869861d4cd4ae7bb980a39c0f60d64/FLAG1868c920a [2019-10-22 11:23:33,587 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:33,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 11:23:33,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/1a9ea67ff/69869861d4cd4ae7bb980a39c0f60d64/FLAG1868c920a [2019-10-22 11:23:34,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/1a9ea67ff/69869861d4cd4ae7bb980a39c0f60d64 [2019-10-22 11:23:34,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:34,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:34,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:34,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:34,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:34,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ade72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34, skipping insertion in model container [2019-10-22 11:23:34,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:34,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:34,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:34,173 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:34,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:34,262 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:34,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34 WrapperNode [2019-10-22 11:23:34,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:34,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:34,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:34,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:34,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:34,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:34,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:34,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:34,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... [2019-10-22 11:23:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:34,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:34,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:34,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:34,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 [2019-10-22 11:23:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:23:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:23:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:34,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:34,765 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:23:34,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:34 BoogieIcfgContainer [2019-10-22 11:23:34,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:34,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:34,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:34,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:34,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:34" (1/3) ... [2019-10-22 11:23:34,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e44bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:34, skipping insertion in model container [2019-10-22 11:23:34,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:34" (2/3) ... [2019-10-22 11:23:34,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e44bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:34, skipping insertion in model container [2019-10-22 11:23:34,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:34" (3/3) ... [2019-10-22 11:23:34,772 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-10-22 11:23:34,778 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:34,784 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:34,791 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:34,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:34,807 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:34,807 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:34,808 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:34,808 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:34,808 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:34,808 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:34,808 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-22 11:23:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:34,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,829 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:34,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-10-22 11:23:34,845 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127226607] [2019-10-22 11:23:34,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:35,005 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:23:35,006 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:23:35,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:35 BoogieIcfgContainer [2019-10-22 11:23:35,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:35,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:35,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:35,029 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:35,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:34" (3/4) ... [2019-10-22 11:23:35,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:23:35,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:35,035 INFO L168 Benchmark]: Toolchain (without parser) took 1024.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:35,035 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:35,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:35,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.78 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. [2019-10-22 11:23:35,037 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 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. [2019-10-22 11:23:35,037 INFO L168 Benchmark]: RCFGBuilder took 431.57 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:35,038 INFO L168 Benchmark]: TraceAbstraction took 260.78 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:35,038 INFO L168 Benchmark]: Witness Printer took 4.45 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. [2019-10-22 11:23:35,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.78 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. * Boogie Preprocessor took 39.75 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. * RCFGBuilder took 431.57 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 260.78 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 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: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 23, overapproximation of bitwiseAnd at line 11. Possible FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, 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=16occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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-cad4683 [2019-10-22 11:23:37,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:37,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:37,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:37,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:37,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:37,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:37,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:37,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:37,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:37,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:37,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:37,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:37,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:37,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:37,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:37,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:37,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:37,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:37,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:37,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:37,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:37,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:37,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:37,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:37,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:37,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:37,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:37,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:37,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:37,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:37,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:37,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:37,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:37,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:37,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:37,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:37,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:37,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:37,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:37,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:37,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:37,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:37,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:37,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:37,084 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:37,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:37,085 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:37,085 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:37,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:37,085 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:37,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:37,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:37,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:37,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:37,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:37,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:37,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:37,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:37,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:37,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:37,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:37,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:37,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:37,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:37,089 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/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-10-22 11:23:37,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:37,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:37,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:37,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:37,131 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:37,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 11:23:37,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/cf53a5321/a9661a8b65c34a1a84c6faee994b9e3f/FLAG8db6d021e [2019-10-22 11:23:37,575 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:37,576 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 11:23:37,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/cf53a5321/a9661a8b65c34a1a84c6faee994b9e3f/FLAG8db6d021e [2019-10-22 11:23:37,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/data/cf53a5321/a9661a8b65c34a1a84c6faee994b9e3f [2019-10-22 11:23:37,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:37,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:37,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:37,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:37,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:37,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d2255b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37, skipping insertion in model container [2019-10-22 11:23:37,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:37,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:37,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:37,793 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:37,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:37,831 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:37,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37 WrapperNode [2019-10-22 11:23:37,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:37,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:37,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:37,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:37,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:37,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:37,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:37,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:37,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:37,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:37,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:37,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:37,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 [2019-10-22 11:23:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:38,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 11:23:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:23:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:38,303 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:38,303 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:23:38,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:38 BoogieIcfgContainer [2019-10-22 11:23:38,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:38,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:38,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:38,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:38,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:37" (1/3) ... [2019-10-22 11:23:38,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51989c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:38, skipping insertion in model container [2019-10-22 11:23:38,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37" (2/3) ... [2019-10-22 11:23:38,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51989c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:38, skipping insertion in model container [2019-10-22 11:23:38,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:38" (3/3) ... [2019-10-22 11:23:38,312 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-10-22 11:23:38,320 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:38,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:38,337 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:38,358 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:38,359 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:38,359 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:38,359 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:38,359 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:38,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:38,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:38,360 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-22 11:23:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:38,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:38,378 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:38,380 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-10-22 11:23:38,394 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:38,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765351845] [2019-10-22 11:23:38,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/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 [2019-10-22 11:23:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:38,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 11:23:38,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:38,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 11:23:38,579 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2019-10-22 11:23:38,580 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:23:38,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:23:38,617 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 11:23:38,617 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:107 [2019-10-22 11:23:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:38,824 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:38,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:38,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:39,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765351845] [2019-10-22 11:23:39,182 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:39,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 10 [2019-10-22 11:23:39,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559871995] [2019-10-22 11:23:39,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:23:39,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:39,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:23:39,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:39,206 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 10 states. [2019-10-22 11:23:39,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:39,934 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2019-10-22 11:23:39,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:39,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-10-22 11:23:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:39,945 INFO L225 Difference]: With dead ends: 32 [2019-10-22 11:23:39,946 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 11:23:39,952 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 11:23:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-10-22 11:23:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 11:23:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2019-10-22 11:23:39,985 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2019-10-22 11:23:39,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:39,986 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2019-10-22 11:23:39,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:23:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2019-10-22 11:23:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:39,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:39,986 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,188 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:23:40,188 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:40,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2019-10-22 11:23:40,189 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:40,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498875179] [2019-10-22 11:23:40,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 11:23:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:40,353 INFO L168 tionRefinementEngine]: Strategy WALRUS found a feasible trace [2019-10-22 11:23:40,353 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:23:40,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:23:40,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:40 BoogieIcfgContainer [2019-10-22 11:23:40,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:40,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:40,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:40,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:40,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:38" (3/4) ... [2019-10-22 11:23:40,585 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:23:40,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0857f216-7f89-40e9-ad41-b2866cf86c95/bin/utaipan/witness.graphml [2019-10-22 11:23:40,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:40,628 INFO L168 Benchmark]: Toolchain (without parser) took 3031.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -60.8 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:40,629 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:40,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:40,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:40,630 INFO L168 Benchmark]: Boogie Preprocessor took 32.74 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. [2019-10-22 11:23:40,631 INFO L168 Benchmark]: RCFGBuilder took 328.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:40,633 INFO L168 Benchmark]: TraceAbstraction took 2276.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:40,633 INFO L168 Benchmark]: Witness Printer took 44.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:40,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.74 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. * RCFGBuilder took 328.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2276.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 15 SDslu, 54 SDs, 0 SdLazy, 65 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 4720 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...