./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 .......................................................................................................................................................................................................................................................................................................... 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_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 .............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:55:26,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:55:26,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:55:26,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:55:26,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:55:26,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:55:26,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:55:26,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:55:26,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:55:26,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:55:26,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:55:26,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:55:26,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:55:26,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:55:26,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:55:26,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:55:26,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:55:26,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:55:26,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:55:26,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:55:26,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:55:26,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:55:26,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:55:26,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:55:26,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:55:26,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:55:26,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:55:26,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:55:26,222 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:55:26,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:55:26,223 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:55:26,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:55:26,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:55:26,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:55:26,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:55:26,224 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:55:26,224 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:55:26,231 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:55:26,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:55:26,232 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:55:26,232 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:55:26,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:55:26,233 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:55:26,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:55:26,234 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:55:26,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:55:26,235 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:55:26,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:55:26,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:55:26,235 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:55:26,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:55:26,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:55:26,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:55:26,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:55:26,236 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:55:26,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:55:26,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:55:26,236 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_77617ad1-629f-49da-8018-c788dbdccc62/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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-11-23 13:55:26,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:55:26,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:55:26,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:55:26,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:55:26,270 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:55:26,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:55:26,306 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/66d1c1251/7025b6543ce34315aaf42ec260ec7008/FLAG9bd820354 [2018-11-23 13:55:26,690 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:55:26,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:55:26,695 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/66d1c1251/7025b6543ce34315aaf42ec260ec7008/FLAG9bd820354 [2018-11-23 13:55:26,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/66d1c1251/7025b6543ce34315aaf42ec260ec7008 [2018-11-23 13:55:26,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:55:26,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:55:26,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:55:26,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:55:26,709 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:55:26,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eff5861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26, skipping insertion in model container [2018-11-23 13:55:26,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:55:26,730 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:55:26,835 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:55:26,838 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:55:26,849 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:55:26,856 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:55:26,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26 WrapperNode [2018-11-23 13:55:26,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:55:26,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:55:26,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:55:26,857 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:55:26,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:55:26,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:55:26,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:55:26,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:55:26,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... [2018-11-23 13:55:26,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:55:26,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:55:26,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:55:26,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:55:26,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/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 [2018-11-23 13:55:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:55:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:55:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:55:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:55:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:55:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:55:27,152 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:55:27,152 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:55:27,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:27 BoogieIcfgContainer [2018-11-23 13:55:27,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:55:27,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:55:27,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:55:27,156 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:55:27,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:26" (1/3) ... [2018-11-23 13:55:27,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3b0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:27, skipping insertion in model container [2018-11-23 13:55:27,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:26" (2/3) ... [2018-11-23 13:55:27,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3b0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:27, skipping insertion in model container [2018-11-23 13:55:27,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:27" (3/3) ... [2018-11-23 13:55:27,159 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-11-23 13:55:27,167 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:55:27,174 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-11-23 13:55:27,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2018-11-23 13:55:27,212 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:55:27,213 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:55:27,213 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:55:27,213 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:55:27,213 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:55:27,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:55:27,214 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:55:27,214 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:55:27,214 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:55:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-23 13:55:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:55:27,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:55:27,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 13:55:27,237 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:55:27,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:55:27,240 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-11-23 13:55:27,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:55:27,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:55:27,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:55:27,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:55:27,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:55:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:55:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:55:27,303 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #246#return; [?] CALL call #t~ret0 := main(); [?] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [?] assume !false; [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [L5] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() ----- [2018-11-23 13:55:27,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:55:27 BoogieIcfgContainer [2018-11-23 13:55:27,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:55:27,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:55:27,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:55:27,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:55:27,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:27" (3/4) ... [2018-11-23 13:55:27,321 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:55:27,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:55:27,322 INFO L168 Benchmark]: Toolchain (without parser) took 615.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:55:27,323 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:55:27,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:27,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:27,325 INFO L168 Benchmark]: Boogie Preprocessor took 19.08 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:55:27,325 INFO L168 Benchmark]: RCFGBuilder took 258.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:27,326 INFO L168 Benchmark]: TraceAbstraction took 164.14 ms. Allocated memory is still 1.1 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. [2018-11-23 13:55:27,326 INFO L168 Benchmark]: Witness Printer took 3.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:27,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.08 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 258.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 164.14 ms. Allocated memory is still 1.1 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 3.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 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=98occurred 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-aa41828 [2018-11-23 13:55:28,702 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:55:28,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:55:28,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:55:28,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:55:28,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:55:28,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:55:28,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:55:28,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:55:28,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:55:28,715 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:55:28,715 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:55:28,716 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:55:28,717 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:55:28,718 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:55:28,718 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:55:28,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:55:28,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:55:28,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:55:28,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:55:28,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:55:28,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:55:28,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:55:28,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:55:28,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:55:28,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:55:28,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:55:28,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:55:28,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:55:28,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:55:28,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:55:28,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:55:28,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:55:28,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:55:28,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:55:28,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:55:28,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 13:55:28,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:55:28,742 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:55:28,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:55:28,743 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:55:28,743 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:55:28,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:55:28,743 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:55:28,743 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:55:28,744 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:55:28,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:55:28,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:55:28,745 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:55:28,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:55:28,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:55:28,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:55:28,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 13:55:28,746 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:55:28,747 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:55:28,747 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:55:28,747 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_77617ad1-629f-49da-8018-c788dbdccc62/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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-11-23 13:55:28,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:55:28,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:55:28,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:55:28,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:55:28,788 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:55:28,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:55:28,835 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/1f303fccf/482df025f9db4279b1a3a1ff408fc01e/FLAGc39c1bd58 [2018-11-23 13:55:29,151 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:55:29,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:55:29,155 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/1f303fccf/482df025f9db4279b1a3a1ff408fc01e/FLAGc39c1bd58 [2018-11-23 13:55:29,590 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/data/1f303fccf/482df025f9db4279b1a3a1ff408fc01e [2018-11-23 13:55:29,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:55:29,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:55:29,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:55:29,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:55:29,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:55:29,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82defbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29, skipping insertion in model container [2018-11-23 13:55:29,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:55:29,619 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:55:29,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:55:29,754 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:55:29,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:55:29,782 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:55:29,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29 WrapperNode [2018-11-23 13:55:29,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:55:29,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:55:29,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:55:29,784 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:55:29,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:55:29,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:55:29,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:55:29,802 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:55:29,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... [2018-11-23 13:55:29,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:55:29,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:55:29,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:55:29,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:55:29,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/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 [2018-11-23 13:55:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:55:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:55:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:55:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:55:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:55:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:55:30,073 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:55:30,074 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:55:30,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:30 BoogieIcfgContainer [2018-11-23 13:55:30,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:55:30,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:55:30,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:55:30,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:55:30,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:29" (1/3) ... [2018-11-23 13:55:30,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b305f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:30, skipping insertion in model container [2018-11-23 13:55:30,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:29" (2/3) ... [2018-11-23 13:55:30,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b305f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:30, skipping insertion in model container [2018-11-23 13:55:30,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:30" (3/3) ... [2018-11-23 13:55:30,080 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-11-23 13:55:30,086 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:55:30,090 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-11-23 13:55:30,099 INFO L257 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2018-11-23 13:55:30,119 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:55:30,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:55:30,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:55:30,120 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:55:30,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:55:30,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:55:30,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:55:30,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:55:30,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:55:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-23 13:55:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:55:30,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:55:30,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 13:55:30,140 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:55:30,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:55:30,144 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-11-23 13:55:30,146 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:55:30,147 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/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 [2018-11-23 13:55:30,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:55:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:55:30,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:55:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:55:30,186 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:55:30,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:55:30,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:55:30,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:55:30,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:55:30,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:55:30,200 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-23 13:55:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:55:30,215 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2018-11-23 13:55:30,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:55:30,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-11-23 13:55:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:55:30,220 INFO L225 Difference]: With dead ends: 131 [2018-11-23 13:55:30,221 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:55:30,223 INFO L631 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 [2018-11-23 13:55:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:55:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:55:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:55:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:55:30,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-11-23 13:55:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:55:30,242 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:55:30,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:55:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:55:30,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:55:30,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:55:30,278 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 13:55:30,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:55:30,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:55:30,279 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:55:30,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:55:30,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:55:30,279 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2 40) no Hoare annotation was computed. [2018-11-23 13:55:30,279 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-23 13:55:30,279 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,279 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-11-23 13:55:30,280 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point L5-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,281 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 2 40) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-23 13:55:30,282 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 13:55:30,283 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 13:55:30,284 INFO L448 ceAbstractionStarter]: For program point L27-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L28-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L29-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 13:55:30,285 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 2 40) the Hoare annotation is: true [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point L30-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2018-11-23 13:55:30,286 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point L31-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-23 13:55:30,287 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,288 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-23 13:55:30,289 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-23 13:55:30,289 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:55:30,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:55:30 BoogieIcfgContainer [2018-11-23 13:55:30,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:55:30,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:55:30,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:55:30,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:55:30,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:30" (3/4) ... [2018-11-23 13:55:30,296 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:55:30,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:55:30,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:55:30,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:55:30,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:55:30,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:55:30,345 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77617ad1-629f-49da-8018-c788dbdccc62/bin-2019/uautomizer/witness.graphml [2018-11-23 13:55:30,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:55:30,346 INFO L168 Benchmark]: Toolchain (without parser) took 753.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:30,347 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 13:55:30,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:30,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:55:30,348 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:55:30,348 INFO L168 Benchmark]: RCFGBuilder took 250.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:30,348 INFO L168 Benchmark]: TraceAbstraction took 217.40 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:55:30,348 INFO L168 Benchmark]: Witness Printer took 52.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 13:55:30,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 188.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 250.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 217.40 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Witness Printer took 52.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 27]: 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: 17]: 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: 12]: 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: 20]: 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: 5]: 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: 13]: 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: 19]: 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: 36]: 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: 6]: 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: 23]: 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: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 29]: 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: 18]: 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: 38]: 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: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...