./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_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_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ................................................................................................................................................................................................................................................................................................................................................................... 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_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ......................................................................................................................................................................................................................................................................... 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 15:36:37,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:36:37,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:36:37,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:36:37,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:36:37,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:36:37,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:36:37,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:36:37,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:36:37,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:36:37,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:36:37,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:36:37,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:36:37,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:36:37,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:36:37,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:36:37,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:36:37,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:36:37,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:36:37,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:36:37,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:36:37,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:36:37,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:36:37,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:36:37,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:36:37,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:36:37,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:36:37,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:36:37,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:36:37,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:36:37,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:36:37,378 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:36:37,378 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:36:37,378 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:36:37,379 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:36:37,379 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:36:37,379 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:36:37,390 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:36:37,390 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:36:37,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:36:37,391 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:36:37,391 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:36:37,391 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:36:37,391 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:36:37,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:36:37,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:36:37,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:36:37,393 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:36:37,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:36:37,394 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:36:37,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:36:37,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:36:37,395 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_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-11-23 15:36:37,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:36:37,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:36:37,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:36:37,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:36:37,433 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:36:37,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:37,478 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/61b97df5f/1938393aad2f4dd19c8a5eb8b12db541/FLAGf7bc81916 [2018-11-23 15:36:37,774 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:36:37,774 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:37,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/61b97df5f/1938393aad2f4dd19c8a5eb8b12db541/FLAGf7bc81916 [2018-11-23 15:36:37,788 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/61b97df5f/1938393aad2f4dd19c8a5eb8b12db541 [2018-11-23 15:36:37,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:36:37,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:36:37,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:37,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:36:37,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:36:37,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae18a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37, skipping insertion in model container [2018-11-23 15:36:37,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:36:37,820 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:36:37,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:37,937 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:36:37,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:37,953 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:36:37,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37 WrapperNode [2018-11-23 15:36:37,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:37,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:37,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:36:37,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:36:37,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:37,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:36:37,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:36:37,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:36:37,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... [2018-11-23 15:36:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:36:37,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:36:37,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:36:37,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:36:37,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 15:36:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:36:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:36:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:36:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:36:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:36:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:36:38,140 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:36:38,140 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:36:38,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:38 BoogieIcfgContainer [2018-11-23 15:36:38,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:36:38,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:36:38,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:36:38,143 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:36:38,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:36:37" (1/3) ... [2018-11-23 15:36:38,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a3d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:38, skipping insertion in model container [2018-11-23 15:36:38,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:37" (2/3) ... [2018-11-23 15:36:38,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a3d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:38, skipping insertion in model container [2018-11-23 15:36:38,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:38" (3/3) ... [2018-11-23 15:36:38,145 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:38,151 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:36:38,155 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:36:38,166 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:36:38,191 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:36:38,191 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:36:38,191 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:36:38,191 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:36:38,192 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:36:38,192 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:36:38,192 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:36:38,192 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:36:38,192 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:36:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 15:36:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:36:38,207 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:38,207 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:38,209 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:38,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:38,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-11-23 15:36:38,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:38,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:38,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:38,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:38,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:36:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:36:38,277 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #15#return; [?] CALL call #t~ret0 := main(); [?] havoc ~i~0;havoc ~j~0;havoc ~d~0;~i~0 := ~convertDOUBLEToUINT(100.0);~d~0 := ~convertUINTToDOUBLE(~i~0);~j~0 := ~convertDOUBLEToUINT(~d~0); [?] assume !(100 == ~j~0 % 4294967296); VAL [main_~j~0=0] [?] assume !false; VAL [main_~j~0=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] assume !(100 == ~j~0 % 4294967296); VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] assume !(100 == ~j~0 % 4294967296); VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] COND TRUE !(100 == ~j~0 % 4294967296) VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] COND TRUE !(100 == ~j~0 % 4294967296) VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] COND TRUE !(100 == ~j~0 % 4294967296) VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] havoc ~i~0; [L4] havoc ~j~0; [L5] havoc ~d~0; [L7] ~i~0 := ~convertDOUBLEToUINT(100.0); [L8] ~d~0 := ~convertUINTToDOUBLE(~i~0); [L9] ~j~0 := ~convertDOUBLEToUINT(~d~0); [L10] COND TRUE !(100 == ~j~0 % 4294967296) VAL [~j~0=0] [L10] assert false; VAL [~j~0=0] [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] ----- [2018-11-23 15:36:38,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:38 BoogieIcfgContainer [2018-11-23 15:36:38,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:36:38,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:36:38,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:36:38,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:36:38,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:38" (3/4) ... [2018-11-23 15:36:38,298 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:36:38,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:36:38,299 INFO L168 Benchmark]: Toolchain (without parser) took 508.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:38,300 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:38,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:38,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.43 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:38,302 INFO L168 Benchmark]: Boogie Preprocessor took 15.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:38,302 INFO L168 Benchmark]: RCFGBuilder took 156.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:38,303 INFO L168 Benchmark]: TraceAbstraction took 154.21 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:38,303 INFO L168 Benchmark]: Witness Printer took 2.95 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. [2018-11-23 15:36:38,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 14.43 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 156.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154.21 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 15:36:39,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:36:39,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:36:39,723 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:36:39,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:36:39,724 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:36:39,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:36:39,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:36:39,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:36:39,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:36:39,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:36:39,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:36:39,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:36:39,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:36:39,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:36:39,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:36:39,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:36:39,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:36:39,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:36:39,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:36:39,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:36:39,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:36:39,739 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:36:39,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:36:39,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:36:39,741 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:36:39,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:36:39,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:36:39,742 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:36:39,743 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:36:39,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:36:39,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:36:39,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:36:39,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:36:39,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:36:39,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:36:39,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 15:36:39,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:36:39,757 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:36:39,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:36:39,757 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:36:39,758 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:36:39,758 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:36:39,758 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:36:39,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:36:39,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:36:39,759 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:36:39,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:36:39,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:36:39,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:36:39,761 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:36:39,762 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_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-11-23 15:36:39,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:36:39,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:36:39,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:36:39,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:36:39,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:36:39,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:39,835 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/d2ef41367/3aa6c119275b422aba7aa566b047f1b4/FLAGc8197405f [2018-11-23 15:36:40,217 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:36:40,217 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:40,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/d2ef41367/3aa6c119275b422aba7aa566b047f1b4/FLAGc8197405f [2018-11-23 15:36:40,228 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/data/d2ef41367/3aa6c119275b422aba7aa566b047f1b4 [2018-11-23 15:36:40,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:36:40,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:36:40,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:40,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:36:40,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:36:40,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5dbc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40, skipping insertion in model container [2018-11-23 15:36:40,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:36:40,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:36:40,374 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:40,380 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:36:40,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:40,400 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:36:40,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40 WrapperNode [2018-11-23 15:36:40,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:40,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:40,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:36:40,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:36:40,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:40,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:36:40,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:36:40,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:36:40,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... [2018-11-23 15:36:40,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:36:40,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:36:40,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:36:40,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:36:40,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/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 15:36:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:36:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:36:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:36:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:36:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:36:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:36:40,574 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:36:40,574 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:36:40,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:40 BoogieIcfgContainer [2018-11-23 15:36:40,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:36:40,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:36:40,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:36:40,578 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:36:40,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:36:40" (1/3) ... [2018-11-23 15:36:40,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e87688f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:40, skipping insertion in model container [2018-11-23 15:36:40,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:40" (2/3) ... [2018-11-23 15:36:40,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e87688f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:40, skipping insertion in model container [2018-11-23 15:36:40,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:40" (3/3) ... [2018-11-23 15:36:40,581 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-11-23 15:36:40,588 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:36:40,594 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:36:40,606 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:36:40,626 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:36:40,626 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:36:40,627 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:36:40,627 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:36:40,627 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:36:40,627 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:36:40,627 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:36:40,627 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:36:40,627 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:36:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 15:36:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:36:40,642 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:40,642 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:40,644 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:40,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:40,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-11-23 15:36:40,650 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:36:40,651 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 15:36:40,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:40,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:36:40,722 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 15:36:40,723 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:36:40,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:40,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:36:40,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:36:40,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:36:40,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:36:40,751 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-11-23 15:36:40,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:40,772 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-23 15:36:40,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:36:40,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 15:36:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:40,778 INFO L225 Difference]: With dead ends: 16 [2018-11-23 15:36:40,778 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:36:40,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:36:40,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:36:40,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:36:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:36:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:36:40,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-23 15:36:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:40,795 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:36:40,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:36:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:36:40,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:36:40,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:36:40,825 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 15:36:40,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:36:40,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:36:40,825 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 15:36:40,825 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:36:40,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:36:40,826 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 2 11) the Hoare annotation is: true [2018-11-23 15:36:40,826 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 15:36:40,826 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-11-23 15:36:40,826 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2 11) no Hoare annotation was computed. [2018-11-23 15:36:40,826 INFO L448 ceAbstractionStarter]: For program point L10-3(lines 2 11) no Hoare annotation was computed. [2018-11-23 15:36:40,826 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 15:36:40,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:40 BoogieIcfgContainer [2018-11-23 15:36:40,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:36:40,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:36:40,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:36:40,829 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:36:40,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:40" (3/4) ... [2018-11-23 15:36:40,832 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:36:40,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:36:40,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:36:40,840 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:36:40,840 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:36:40,840 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:36:40,865 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb2bdbd4-ed54-4bd0-b60f-bc66d8d0e942/bin-2019/uautomizer/witness.graphml [2018-11-23 15:36:40,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:36:40,865 INFO L168 Benchmark]: Toolchain (without parser) took 634.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,866 INFO L168 Benchmark]: CDTParser took 0.13 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 15:36:40,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.48 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:40,868 INFO L168 Benchmark]: Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,869 INFO L168 Benchmark]: RCFGBuilder took 142.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -230.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,869 INFO L168 Benchmark]: TraceAbstraction took 253.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,869 INFO L168 Benchmark]: Witness Printer took 35.79 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:40,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 167.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 16.48 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 142.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -230.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 253.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 35.79 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 3 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 4 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...