./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 ................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:15:40,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:15:40,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:15:40,719 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:15:40,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:15:40,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:15:40,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:15:40,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:15:40,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:15:40,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:15:40,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:15:40,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:15:40,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:15:40,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:15:40,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:15:40,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:15:40,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:15:40,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:15:40,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:15:40,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:15:40,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:15:40,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:15:40,751 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:15:40,751 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:15:40,752 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:15:40,753 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:15:40,754 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:15:40,755 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:15:40,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:15:40,756 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:15:40,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:15:40,758 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:15:40,758 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:15:40,758 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:15:40,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:15:40,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:15:40,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 19:15:40,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:15:40,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:15:40,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:15:40,774 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:15:40,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:15:40,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:15:40,775 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:15:40,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:15:40,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:15:40,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:15:40,777 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:15:40,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:15:40,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:15:40,779 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:15:40,779 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:15:40,779 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:15:40,780 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:15:40,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:15:40,780 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:15:40,780 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:15:40,780 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:15:40,780 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:15:40,781 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:15:40,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:15:40,781 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-10-26 19:15:40,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:15:40,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:15:40,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:15:40,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:15:40,831 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:15:40,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 19:15:40,886 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/c063761dd/f48567a01da24000800c1d734b949df4/FLAG2fe0e30aa [2018-10-26 19:15:41,230 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:15:41,230 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 19:15:41,240 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/c063761dd/f48567a01da24000800c1d734b949df4/FLAG2fe0e30aa [2018-10-26 19:15:41,254 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/c063761dd/f48567a01da24000800c1d734b949df4 [2018-10-26 19:15:41,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:15:41,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:15:41,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:15:41,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:15:41,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:15:41,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474d8a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41, skipping insertion in model container [2018-10-26 19:15:41,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:15:41,295 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:15:41,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:15:41,442 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:15:41,457 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:15:41,471 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:15:41,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41 WrapperNode [2018-10-26 19:15:41,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:15:41,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:15:41,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:15:41,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:15:41,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... [2018-10-26 19:15:41,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:15:41,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:15:41,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:15:41,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:15:41,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 [2018-10-26 19:15:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:15:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:15:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:15:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 19:15:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:15:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:15:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:15:42,099 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:15:42,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:42 BoogieIcfgContainer [2018-10-26 19:15:42,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:15:42,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:15:42,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:15:42,105 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:15:42,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:15:41" (1/3) ... [2018-10-26 19:15:42,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b031f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:15:42, skipping insertion in model container [2018-10-26 19:15:42,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:41" (2/3) ... [2018-10-26 19:15:42,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b031f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:15:42, skipping insertion in model container [2018-10-26 19:15:42,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:42" (3/3) ... [2018-10-26 19:15:42,109 INFO L112 eAbstractionObserver]: Analyzing ICFG float13_true-unreach-call_true-termination.i [2018-10-26 19:15:42,120 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:15:42,129 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-10-26 19:15:42,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-10-26 19:15:42,179 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:15:42,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:15:42,180 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:15:42,180 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:15:42,180 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:15:42,180 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:15:42,180 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:15:42,180 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:15:42,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:15:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-10-26 19:15:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:15:42,207 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:15:42,208 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:15:42,211 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:15:42,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:15:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1459462506, now seen corresponding path program 1 times [2018-10-26 19:15:42,219 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:15:42,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:15:42,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:15:42,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:15:42,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:15:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:15:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:15:42,372 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:15:42,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:15:42 BoogieIcfgContainer [2018-10-26 19:15:42,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:15:42,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:15:42,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:15:42,403 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:15:42,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:42" (3/4) ... [2018-10-26 19:15:42,408 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:15:42,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:15:42,410 INFO L168 Benchmark]: Toolchain (without parser) took 1153.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 117.8 kB. Max. memory is 11.5 GB. [2018-10-26 19:15:42,413 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:15:42,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.69 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:42,416 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:15:42,417 INFO L168 Benchmark]: RCFGBuilder took 594.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:42,419 INFO L168 Benchmark]: TraceAbstraction took 300.78 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:42,420 INFO L168 Benchmark]: Witness Printer took 7.41 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:42,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.69 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.25 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 594.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 300.78 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.41 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 3. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; [L4] const float minus_infinity = 0.0f/-0.0f; [L5] const float NaN = 0.0f * (1.0f/0.0f); VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3] [L9] _Bool temp; [L12] temp = NaN < plus_infinity VAL [temp=1] [L13] COND TRUE !(!temp) VAL [temp=1] [L13] __VERIFIER_error() VAL [temp=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 8 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:15:44,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:15:44,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:15:44,628 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:15:44,628 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:15:44,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:15:44,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:15:44,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:15:44,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:15:44,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:15:44,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:15:44,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:15:44,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:15:44,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:15:44,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:15:44,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:15:44,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:15:44,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:15:44,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:15:44,648 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:15:44,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:15:44,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:15:44,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:15:44,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:15:44,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:15:44,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:15:44,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:15:44,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:15:44,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:15:44,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:15:44,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:15:44,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:15:44,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:15:44,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:15:44,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:15:44,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:15:44,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 19:15:44,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:15:44,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:15:44,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:15:44,684 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:15:44,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:15:44,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:15:44,685 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:15:44,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:15:44,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:15:44,686 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:15:44,687 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:15:44,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:15:44,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:15:44,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:15:44,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:15:44,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:15:44,688 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:15:44,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:15:44,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:15:44,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:15:44,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:15:44,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:15:44,689 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 19:15:44,689 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:15:44,689 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:15:44,693 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:15:44,694 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-10-26 19:15:44,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:15:44,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:15:44,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:15:44,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:15:44,779 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:15:44,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 19:15:44,837 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/f99b2564d/b4fe6d2de0734073ad2d5517cb17f8ea/FLAG108a3cbc7 [2018-10-26 19:15:45,245 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:15:45,247 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 19:15:45,254 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/f99b2564d/b4fe6d2de0734073ad2d5517cb17f8ea/FLAG108a3cbc7 [2018-10-26 19:15:45,273 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/data/f99b2564d/b4fe6d2de0734073ad2d5517cb17f8ea [2018-10-26 19:15:45,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:15:45,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:15:45,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:15:45,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:15:45,288 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:15:45,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f92ff23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45, skipping insertion in model container [2018-10-26 19:15:45,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:15:45,329 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:15:45,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:15:45,507 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:15:45,527 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:15:45,543 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:15:45,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45 WrapperNode [2018-10-26 19:15:45,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:15:45,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:15:45,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:15:45,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:15:45,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... [2018-10-26 19:15:45,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:15:45,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:15:45,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:15:45,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:15:45,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/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 [2018-10-26 19:15:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:15:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:15:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:15:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 19:15:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:15:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:15:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:15:46,247 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:15:46,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:46 BoogieIcfgContainer [2018-10-26 19:15:46,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:15:46,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:15:46,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:15:46,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:15:46,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:15:45" (1/3) ... [2018-10-26 19:15:46,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aeb9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:15:46, skipping insertion in model container [2018-10-26 19:15:46,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:15:45" (2/3) ... [2018-10-26 19:15:46,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aeb9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:15:46, skipping insertion in model container [2018-10-26 19:15:46,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:46" (3/3) ... [2018-10-26 19:15:46,258 INFO L112 eAbstractionObserver]: Analyzing ICFG float13_true-unreach-call_true-termination.i [2018-10-26 19:15:46,268 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:15:46,279 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-10-26 19:15:46,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-10-26 19:15:46,330 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:15:46,331 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:15:46,331 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:15:46,331 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:15:46,331 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:15:46,331 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:15:46,332 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:15:46,332 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:15:46,332 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:15:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-10-26 19:15:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:15:46,359 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:15:46,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:15:46,363 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:15:46,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:15:46,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1459462506, now seen corresponding path program 1 times [2018-10-26 19:15:46,375 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:15:46,375 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 19:15:46,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 19:15:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:15:46,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:15:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:15:46,517 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:15:46,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:15:46,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:15:46,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:15:46,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:15:46,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:15:46,544 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-10-26 19:15:46,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:15:46,764 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2018-10-26 19:15:46,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:15:46,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-26 19:15:46,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:15:46,772 INFO L225 Difference]: With dead ends: 61 [2018-10-26 19:15:46,772 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:15:46,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:15:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:15:46,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:15:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:15:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:15:46,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-10-26 19:15:46,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:15:46,803 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:15:46,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:15:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:15:46,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:15:46,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:15:46,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:15:46,915 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:15:46,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:15:46,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:15:46,916 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ~NaN~0 (fp.mul RNE (_ +zero 8 24) (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) [2018-10-26 19:15:46,916 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:15:46,916 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:15:46,916 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 19:15:46,916 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-10-26 19:15:46,916 INFO L425 ceAbstractionStarter]: For program point L31-3(line 31) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 7 37) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point L19-3(line 19) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-10-26 19:15:46,917 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-10-26 19:15:46,918 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 19:15:46,918 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-10-26 19:15:46,918 INFO L425 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-10-26 19:15:46,922 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-10-26 19:15:46,922 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 19:15:46,923 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 7 37) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L13-3(line 13) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 19:15:46,924 INFO L425 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-10-26 19:15:46,925 INFO L425 ceAbstractionStarter]: For program point L34-3(line 34) no Hoare annotation was computed. [2018-10-26 19:15:46,925 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 7 37) the Hoare annotation is: true [2018-10-26 19:15:46,928 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-10-26 19:15:46,928 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 19:15:46,928 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-10-26 19:15:46,928 INFO L425 ceAbstractionStarter]: For program point L22-3(line 22) no Hoare annotation was computed. [2018-10-26 19:15:46,929 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2018-10-26 19:15:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:15:46 BoogieIcfgContainer [2018-10-26 19:15:46,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:15:46,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:15:46,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:15:46,934 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:15:46,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:15:46" (3/4) ... [2018-10-26 19:15:46,939 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:15:46,947 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:15:46,948 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:15:46,953 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 19:15:46,953 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:15:47,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58b12101-2b71-4298-b1c6-c567dce6b894/bin-2019/uautomizer/witness.graphml [2018-10-26 19:15:47,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:15:47,003 INFO L168 Benchmark]: Toolchain (without parser) took 1724.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:47,004 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:15:47,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:47,005 INFO L168 Benchmark]: Boogie Preprocessor took 36.30 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:47,007 INFO L168 Benchmark]: RCFGBuilder took 667.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:47,007 INFO L168 Benchmark]: TraceAbstraction took 683.62 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:47,008 INFO L168 Benchmark]: Witness Printer took 69.04 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. [2018-10-26 19:15:47,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.30 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 667.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 683.62 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 69.04 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: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 8 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 22 SDslu, 8 SDs, 0 SdLazy, 16 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 14 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...