./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6_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_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 ............................................................................................................................................................................................................................. 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_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:20:30,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:20:30,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:20:30,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:20:30,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:20:30,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:20:30,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:20:30,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:20:30,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:20:30,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:20:30,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:20:30,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:20:30,189 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:20:30,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:20:30,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:20:30,200 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:20:30,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:20:30,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:20:30,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:20:30,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:20:30,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:20:30,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:20:30,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:20:30,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:20:30,211 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:20:30,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:20:30,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:20:30,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:20:30,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:20:30,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:20:30,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:20:30,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:20:30,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:20:30,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:20:30,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:20:30,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:20:30,221 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:20:30,232 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:20:30,232 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:20:30,233 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:20:30,233 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:20:30,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:20:30,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:20:30,234 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:20:30,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:20:30,234 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:20:30,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:20:30,236 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:20:30,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:20:30,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:20:30,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:20:30,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:20:30,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:20:30,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:20:30,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:20:30,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:20:30,237 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:20:30,237 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:20:30,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:20:30,240 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_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-10-26 22:20:30,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:20:30,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:20:30,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:20:30,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:20:30,299 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:20:30,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-10-26 22:20:30,359 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/56951b1b3/6d1d03538e004f469fddd2b2a73232b2/FLAGf7d3bb60f [2018-10-26 22:20:30,723 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:20:30,724 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-10-26 22:20:30,730 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/56951b1b3/6d1d03538e004f469fddd2b2a73232b2/FLAGf7d3bb60f [2018-10-26 22:20:30,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/56951b1b3/6d1d03538e004f469fddd2b2a73232b2 [2018-10-26 22:20:30,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:20:30,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:20:30,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:30,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:20:30,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:20:30,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6002c287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30, skipping insertion in model container [2018-10-26 22:20:30,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:20:30,782 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:20:30,916 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:30,920 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:20:30,941 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:30,954 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:20:30,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30 WrapperNode [2018-10-26 22:20:30,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:30,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:20:30,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:20:30,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:20:30,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... [2018-10-26 22:20:30,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:20:30,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:20:30,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:20:30,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:20:30,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 22:20:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:20:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:20:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:20:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 22:20:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:20:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 22:20:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:20:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:20:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:20:31,727 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:20:31,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:31 BoogieIcfgContainer [2018-10-26 22:20:31,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:20:31,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:20:31,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:20:31,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:20:31,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:20:30" (1/3) ... [2018-10-26 22:20:31,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c63bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:31, skipping insertion in model container [2018-10-26 22:20:31,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:30" (2/3) ... [2018-10-26 22:20:31,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c63bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:31, skipping insertion in model container [2018-10-26 22:20:31,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:31" (3/3) ... [2018-10-26 22:20:31,735 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-10-26 22:20:31,750 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:20:31,762 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-10-26 22:20:31,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-10-26 22:20:31,824 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:20:31,825 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:20:31,825 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:20:31,825 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:20:31,825 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:20:31,825 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:20:31,825 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:20:31,825 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:20:31,825 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:20:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-10-26 22:20:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:20:31,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:31,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-26 22:20:31,868 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:31,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:31,875 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-10-26 22:20:31,876 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:20:31,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:20:31,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:31,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:31,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:31,959 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:20:31,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:20:31 BoogieIcfgContainer [2018-10-26 22:20:31,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:20:31,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:31,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:31,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:31,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:31" (3/4) ... [2018-10-26 22:20:31,996 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:20:31,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:31,997 INFO L168 Benchmark]: Toolchain (without parser) took 1252.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:31,998 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:31,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.42 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:32,000 INFO L168 Benchmark]: Boogie Preprocessor took 33.02 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 942.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:32,000 INFO L168 Benchmark]: RCFGBuilder took 739.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:32,006 INFO L168 Benchmark]: TraceAbstraction took 250.74 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:32,007 INFO L168 Benchmark]: Witness Printer took 13.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:32,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.42 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.02 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 942.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 739.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250.74 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 13.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. UNSAFE Result, 0.1s 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=117occurred 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, 6 NumberOfCodeBlocks, 6 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 22:20:34,042 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:20:34,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:20:34,054 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:20:34,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:20:34,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:20:34,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:20:34,061 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:20:34,063 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:20:34,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:20:34,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:20:34,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:20:34,066 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:20:34,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:20:34,067 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:20:34,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:20:34,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:20:34,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:20:34,072 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:20:34,073 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:20:34,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:20:34,075 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:20:34,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:20:34,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:20:34,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:20:34,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:20:34,079 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:20:34,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:20:34,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:20:34,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:20:34,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:20:34,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:20:34,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:20:34,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:20:34,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:20:34,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:20:34,084 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 22:20:34,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:20:34,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:20:34,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:20:34,098 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:20:34,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:20:34,098 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:20:34,099 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:20:34,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:20:34,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:20:34,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:20:34,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:20:34,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:20:34,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:20:34,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:20:34,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:20:34,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:20:34,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:20:34,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:20:34,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:20:34,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:20:34,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:20:34,102 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 22:20:34,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:20:34,102 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:20:34,103 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:20:34,103 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_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-10-26 22:20:34,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:20:34,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:20:34,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:20:34,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:20:34,156 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:20:34,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-10-26 22:20:34,210 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/3ab7749d2/a5e54f07540d41aabfc29e414439ad06/FLAG6a31d2a80 [2018-10-26 22:20:34,576 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:20:34,580 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-10-26 22:20:34,586 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/3ab7749d2/a5e54f07540d41aabfc29e414439ad06/FLAG6a31d2a80 [2018-10-26 22:20:34,598 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/data/3ab7749d2/a5e54f07540d41aabfc29e414439ad06 [2018-10-26 22:20:34,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:20:34,603 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:20:34,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:34,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:20:34,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:20:34,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d1fbfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34, skipping insertion in model container [2018-10-26 22:20:34,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:20:34,645 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:20:34,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:34,844 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:20:34,867 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:34,883 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:20:34,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34 WrapperNode [2018-10-26 22:20:34,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:34,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:20:34,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:20:34,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:20:34,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... [2018-10-26 22:20:34,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:20:34,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:20:34,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:20:34,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:20:34,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/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 22:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:20:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 22:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 22:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:20:35,647 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:20:35,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:35 BoogieIcfgContainer [2018-10-26 22:20:35,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:20:35,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:20:35,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:20:35,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:20:35,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:20:34" (1/3) ... [2018-10-26 22:20:35,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc08ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:35, skipping insertion in model container [2018-10-26 22:20:35,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:34" (2/3) ... [2018-10-26 22:20:35,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc08ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:35, skipping insertion in model container [2018-10-26 22:20:35,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:35" (3/3) ... [2018-10-26 22:20:35,655 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-10-26 22:20:35,664 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:20:35,672 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-10-26 22:20:35,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-10-26 22:20:35,718 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:20:35,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:20:35,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:20:35,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:20:35,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:20:35,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:20:35,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:20:35,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:20:35,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:20:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-10-26 22:20:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:20:35,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:35,748 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-26 22:20:35,751 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:35,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:35,758 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-10-26 22:20:35,762 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:20:35,763 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:20:35,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:35,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:20:35,836 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 22:20:35,838 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:20:35,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:20:35,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:20:35,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:20:35,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:20:35,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:20:35,866 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-10-26 22:20:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:35,903 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2018-10-26 22:20:35,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:20:35,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-10-26 22:20:35,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:35,924 INFO L225 Difference]: With dead ends: 185 [2018-10-26 22:20:35,925 INFO L226 Difference]: Without dead ends: 69 [2018-10-26 22:20:35,928 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:20:35,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-10-26 22:20:35,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-10-26 22:20:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-10-26 22:20:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2018-10-26 22:20:35,967 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 6 [2018-10-26 22:20:35,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:35,967 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2018-10-26 22:20:35,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:20:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2018-10-26 22:20:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 22:20:35,968 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:35,969 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:35,970 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:35,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1984689679, now seen corresponding path program 1 times [2018-10-26 22:20:35,970 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:20:35,971 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:20:35,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 22:20:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:36,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:20:36,108 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 22:20:36,108 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:20:36,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:20:36,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:20:36,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:20:36,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:20:36,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:20:36,123 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand 3 states. [2018-10-26 22:20:36,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:36,311 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2018-10-26 22:20:36,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:20:36,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-26 22:20:36,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:36,312 INFO L225 Difference]: With dead ends: 69 [2018-10-26 22:20:36,312 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:20:36,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:20:36,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:20:36,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:20:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:20:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:20:36,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-10-26 22:20:36,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:36,314 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:20:36,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:20:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:20:36,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:20:36,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:20:36,359 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 22:20:36,359 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:20:36,359 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 22:20:36,360 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 4 48) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-10-26 22:20:36,360 INFO L425 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-10-26 22:20:36,361 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-10-26 22:20:36,362 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2018-10-26 22:20:36,363 INFO L425 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L7-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-26 22:20:36,364 INFO L425 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-10-26 22:20:36,365 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-10-26 22:20:36,365 INFO L425 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-10-26 22:20:36,365 INFO L425 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,365 INFO L425 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,365 INFO L425 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-10-26 22:20:36,369 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-10-26 22:20:36,370 INFO L425 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-10-26 22:20:36,371 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,372 INFO L425 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2018-10-26 22:20:36,373 INFO L425 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-10-26 22:20:36,373 INFO L425 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2018-10-26 22:20:36,373 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2018-10-26 22:20:36,373 INFO L425 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 22:20:36,373 INFO L425 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-10-26 22:20:36,376 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 22:20:36,377 INFO L425 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 4 48) the Hoare annotation is: true [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,378 INFO L425 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point L47-2(lines 4 48) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-10-26 22:20:36,379 INFO L425 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,380 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2018-10-26 22:20:36,381 INFO L425 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-10-26 22:20:36,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:20:36 BoogieIcfgContainer [2018-10-26 22:20:36,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:20:36,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:36,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:36,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:36,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:35" (3/4) ... [2018-10-26 22:20:36,396 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:20:36,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:20:36,404 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:20:36,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 22:20:36,410 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:20:36,412 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:20:36,472 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0ec40a6-24bc-498a-8c65-be4945eedbb0/bin-2019/uautomizer/witness.graphml [2018-10-26 22:20:36,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:36,473 INFO L168 Benchmark]: Toolchain (without parser) took 1871.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:36,475 INFO L168 Benchmark]: CDTParser took 0.22 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 22:20:36,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:36,475 INFO L168 Benchmark]: Boogie Preprocessor took 45.76 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:36,475 INFO L168 Benchmark]: RCFGBuilder took 716.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:36,476 INFO L168 Benchmark]: TraceAbstraction took 740.58 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:36,476 INFO L168 Benchmark]: Witness Printer took 82.40 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. [2018-10-26 22:20:36,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 280.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.76 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 716.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 740.58 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.40 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: - PositiveResult [Line: 35]: 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: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 41]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 46]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: 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: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: 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: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 15]: 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 - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 17 SDslu, 22 SDs, 0 SdLazy, 17 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 2 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...