./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i --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_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 .............................................................................................................................................................................................................................. 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_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:39,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:39,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:39,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:39,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:39,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:39,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:39,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:39,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:39,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:39,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:39,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:39,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:39,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:39,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:39,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:39,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:39,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:39,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:39,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:39,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:39,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:39,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:39,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:39,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:39,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:39,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:39,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:39,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:39,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:39,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:39,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:39,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:39,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:39,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:39,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:39,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:39,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:39,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:39,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:39,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:39,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:39,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:39,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:39,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:39,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:39,148 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:39,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:39,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:39,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:39,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:39,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:39,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:39,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:39,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:39,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:39,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:39,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:39,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:39,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:39,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:39,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:39,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:39,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:39,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer 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 -> Automizer 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 -> af383046837f49b57572febe7198ecca5fffa750 [2019-10-22 08:57:39,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:39,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:39,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:39,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:39,205 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:39,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-10-22 08:57:39,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/98085c433/861496a116a64a18aededbd9b2acc516/FLAG401a58b8d [2019-10-22 08:57:39,672 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:39,673 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-10-22 08:57:39,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/98085c433/861496a116a64a18aededbd9b2acc516/FLAG401a58b8d [2019-10-22 08:57:39,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/98085c433/861496a116a64a18aededbd9b2acc516 [2019-10-22 08:57:39,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:39,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:39,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:39,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:39,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:39,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a7b909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39, skipping insertion in model container [2019-10-22 08:57:39,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:39,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:39,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:39,984 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:40,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:40,029 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:40,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40 WrapperNode [2019-10-22 08:57:40,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:40,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:40,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:40,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:40,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:40,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:40,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:40,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:40,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... [2019-10-22 08:57:40,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:40,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:40,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:40,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:40,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/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 08:57:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:57:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:57:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:40,348 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:40,348 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:40,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40 BoogieIcfgContainer [2019-10-22 08:57:40,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:40,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:40,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:40,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:40,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:39" (1/3) ... [2019-10-22 08:57:40,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f63432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:40, skipping insertion in model container [2019-10-22 08:57:40,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:40" (2/3) ... [2019-10-22 08:57:40,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f63432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:40, skipping insertion in model container [2019-10-22 08:57:40,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40" (3/3) ... [2019-10-22 08:57:40,360 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2019-10-22 08:57:40,369 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:40,376 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:40,387 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:40,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:40,411 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:40,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:40,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:40,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:40,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:40,412 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:40,412 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-10-22 08:57:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 08:57:40,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:40,432 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 08:57:40,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:40,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:40,443 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-10-22 08:57:40,450 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:40,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841346195] [2019-10-22 08:57:40,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:40,574 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:40,575 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:57:40,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:40 BoogieIcfgContainer [2019-10-22 08:57:40,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:40,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:40,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:40,593 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:40,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40" (3/4) ... [2019-10-22 08:57:40,597 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:40,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:40,599 INFO L168 Benchmark]: Toolchain (without parser) took 897.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:40,599 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:40,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.39 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 08:57:40,600 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 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 08:57:40,601 INFO L168 Benchmark]: RCFGBuilder took 257.78 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,602 INFO L168 Benchmark]: TraceAbstraction took 240.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,602 INFO L168 Benchmark]: Witness Printer took 4.59 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 08:57:40,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.39 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 24.83 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 257.78 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 240.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.59 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 111. Possible FailurePath: [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate 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 08:57:42,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:42,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:42,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:42,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:42,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:42,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:42,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:42,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:42,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:42,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:42,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:42,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:42,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:42,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:42,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:42,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:42,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:42,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:42,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:42,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:42,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:42,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:42,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:42,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:42,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:42,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:42,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:42,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:42,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:42,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:42,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:42,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:42,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:42,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:42,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:42,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:42,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:42,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:42,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:42,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:42,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:57:42,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:42,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:42,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:42,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:42,705 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:42,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:42,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:42,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:42,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:42,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:42,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:42,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:42,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:42,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:42,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:42,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:42,709 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:57:42,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:57:42,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:42,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:57:42,709 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_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer 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 -> Automizer 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 -> af383046837f49b57572febe7198ecca5fffa750 [2019-10-22 08:57:42,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:42,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:42,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:42,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:42,772 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:42,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-10-22 08:57:42,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/72d56143c/161b865d263f441b8c1ec10152617d15/FLAG16bcf0047 [2019-10-22 08:57:43,210 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:43,211 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-10-22 08:57:43,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/72d56143c/161b865d263f441b8c1ec10152617d15/FLAG16bcf0047 [2019-10-22 08:57:43,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/data/72d56143c/161b865d263f441b8c1ec10152617d15 [2019-10-22 08:57:43,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:43,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:43,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:43,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:43,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:43,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9f1a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43, skipping insertion in model container [2019-10-22 08:57:43,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,251 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:43,271 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:43,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:43,450 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:43,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:43,499 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:43,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43 WrapperNode [2019-10-22 08:57:43,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:43,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:43,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:43,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:43,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:43,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:43,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:43,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:43,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:43,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:43,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:43,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:43,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/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 08:57:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:57:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 08:57:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:43,917 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:43,918 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:43,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43 BoogieIcfgContainer [2019-10-22 08:57:43,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:43,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:43,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:43,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:43,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:43" (1/3) ... [2019-10-22 08:57:43,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f442c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:43, skipping insertion in model container [2019-10-22 08:57:43,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (2/3) ... [2019-10-22 08:57:43,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f442c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:43, skipping insertion in model container [2019-10-22 08:57:43,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43" (3/3) ... [2019-10-22 08:57:43,927 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2019-10-22 08:57:43,936 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:43,943 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:43,954 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:43,977 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:43,977 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:43,977 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:43,977 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:43,977 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:43,978 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:43,978 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:43,978 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-10-22 08:57:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 08:57:43,996 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:43,997 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 08:57:44,000 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:44,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:44,006 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-10-22 08:57:44,017 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:44,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752563531] [2019-10-22 08:57:44,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/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 08:57:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:44,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:57:44,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:44,191 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 08:57:44,192 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:44,215 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 08:57:44,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752563531] [2019-10-22 08:57:44,217 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:44,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 08:57:44,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493239908] [2019-10-22 08:57:44,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:44,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:44,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:44,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:44,232 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-10-22 08:57:44,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:44,251 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-10-22 08:57:44,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:44,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-10-22 08:57:44,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:44,259 INFO L225 Difference]: With dead ends: 15 [2019-10-22 08:57:44,259 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:44,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:44,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:44,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-10-22 08:57:44,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:44,285 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:44,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:44,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:44,486 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:57:44,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:44,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,520 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,520 INFO L446 ceAbstractionStarter]: At program point L112(lines 108 113) the Hoare annotation is: true [2019-10-22 08:57:44,521 INFO L446 ceAbstractionStarter]: At program point L105(lines 99 106) the Hoare annotation is: true [2019-10-22 08:57:44,521 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 08:57:44,521 INFO L443 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2019-10-22 08:57:44,521 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-10-22 08:57:44,521 INFO L443 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2019-10-22 08:57:44,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:44 BoogieIcfgContainer [2019-10-22 08:57:44,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:44,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:44,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:44,526 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:44,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43" (3/4) ... [2019-10-22 08:57:44,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:44,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 08:57:44,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:57:44,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:44,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa3c35dd-27d1-4ed0-bf75-117193a4d20f/bin/uautomizer/witness.graphml [2019-10-22 08:57:44,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:44,586 INFO L168 Benchmark]: Toolchain (without parser) took 1350.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,587 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:44,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.40 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,589 INFO L168 Benchmark]: Boogie Preprocessor took 26.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:44,590 INFO L168 Benchmark]: RCFGBuilder took 253.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,590 INFO L168 Benchmark]: TraceAbstraction took 605.18 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,591 INFO L168 Benchmark]: Witness Printer took 57.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.40 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.2 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 138.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 253.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 605.18 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Witness Printer took 57.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 9 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...