./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8599fcf8ca7782d4a65a178418147eb6f2593 ......................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8599fcf8ca7782d4a65a178418147eb6f2593 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:54:56,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:54:56,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:54:56,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:54:56,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:54:56,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:54:56,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:54:56,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:54:56,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:54:56,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:54:56,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:54:56,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:54:56,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:54:56,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:54:56,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:54:56,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:54:56,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:54:56,427 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:54:56,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:54:56,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:54:56,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:54:56,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:54:56,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:54:56,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:54:56,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:54:56,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:54:56,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:54:56,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:54:56,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:54:56,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:54:56,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:54:56,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:54:56,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:54:56,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:54:56,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:54:56,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:54:56,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 13:54:56,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:54:56,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:54:56,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:54:56,450 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 13:54:56,450 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:54:56,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:54:56,451 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:54:56,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:54:56,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:54:56,451 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:54:56,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:54:56,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:54:56,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:54:56,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:54:56,453 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 13:54:56,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:54:56,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:54:56,454 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_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-12-08 13:54:56,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:54:56,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:54:56,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:54:56,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:54:56,490 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:54:56,491 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-08 13:54:56,527 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/c2113a0a0/2b525e87ac2e4561a59115ed602fe164/FLAG229fdbf19 [2018-12-08 13:54:56,951 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:54:56,951 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-08 13:54:56,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/c2113a0a0/2b525e87ac2e4561a59115ed602fe164/FLAG229fdbf19 [2018-12-08 13:54:56,962 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/c2113a0a0/2b525e87ac2e4561a59115ed602fe164 [2018-12-08 13:54:56,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:54:56,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:54:56,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:56,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:54:56,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:54:56,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:56" (1/1) ... [2018-12-08 13:54:56,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aedf161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:56, skipping insertion in model container [2018-12-08 13:54:56,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:56" (1/1) ... [2018-12-08 13:54:56,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:54:56,988 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:54:57,081 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:57,083 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:54:57,096 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:57,104 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:54:57,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57 WrapperNode [2018-12-08 13:54:57,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:57,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:57,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:54:57,105 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:54:57,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:57,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:54:57,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:54:57,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:54:57,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... [2018-12-08 13:54:57,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:54:57,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:54:57,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:54:57,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:54:57,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/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 [2018-12-08 13:54:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 13:54:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 13:54:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:54:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:54:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 13:54:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 13:54:57,383 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:54:57,383 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 13:54:57,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:57 BoogieIcfgContainer [2018-12-08 13:54:57,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:54:57,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 13:54:57,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 13:54:57,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 13:54:57,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 01:54:56" (1/3) ... [2018-12-08 13:54:57,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a90acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:54:57, skipping insertion in model container [2018-12-08 13:54:57,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:57" (2/3) ... [2018-12-08 13:54:57,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a90acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:54:57, skipping insertion in model container [2018-12-08 13:54:57,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:57" (3/3) ... [2018-12-08 13:54:57,390 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-12-08 13:54:57,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 13:54:57,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-12-08 13:54:57,415 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-12-08 13:54:57,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:54:57,440 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 13:54:57,440 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 13:54:57,440 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 13:54:57,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:54:57,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:54:57,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 13:54:57,441 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:54:57,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 13:54:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-08 13:54:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:54:57,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:54:57,461 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-08 13:54:57,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:54:57,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:54:57,467 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-12-08 13:54:57,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:54:57,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:54:57,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:54:57,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:54:57,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:54:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:54:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:54:57,525 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 13:54:57,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 01:54:57 BoogieIcfgContainer [2018-12-08 13:54:57,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 13:54:57,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:54:57,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:54:57,535 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:54:57,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:57" (3/4) ... [2018-12-08 13:54:57,537 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 13:54:57,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:54:57,538 INFO L168 Benchmark]: Toolchain (without parser) took 573.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,539 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:54:57,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.62 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.69 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,540 INFO L168 Benchmark]: Boogie Preprocessor took 49.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,541 INFO L168 Benchmark]: RCFGBuilder took 211.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,541 INFO L168 Benchmark]: TraceAbstraction took 150.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,541 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:54:57,543 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.62 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.69 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:54:58,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:54:58,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:54:58,940 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:54:58,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:54:58,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:54:58,941 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:54:58,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:54:58,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:54:58,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:54:58,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:54:58,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:54:58,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:54:58,944 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:54:58,945 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:54:58,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:54:58,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:54:58,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:54:58,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:54:58,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:54:58,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:54:58,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:54:58,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:54:58,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:54:58,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:54:58,951 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:54:58,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:54:58,952 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:54:58,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:54:58,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:54:58,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:54:58,954 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:54:58,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:54:58,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:54:58,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:54:58,955 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:54:58,955 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 13:54:58,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:54:58,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:54:58,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:54:58,966 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 13:54:58,967 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:54:58,967 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:54:58,967 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:54:58,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:54:58,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:54:58,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 13:54:58,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:54:58,969 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:54:58,969 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:54:58,969 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:54:58,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:54:58,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:54:58,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:54:58,970 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 13:54:58,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:54:58,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:54:58,970 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:54:58,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:54:58,970 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 13:54:58,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:54:58,971 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 13:54:58,971 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 13:54:58,971 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_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-12-08 13:54:58,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:54:59,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:54:59,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:54:59,010 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:54:59,010 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:54:59,010 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-08 13:54:59,044 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/e6f5474a9/48d5225545614304aec2943aece1f7d6/FLAG4da7fc65a [2018-12-08 13:54:59,434 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:54:59,434 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-08 13:54:59,438 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/e6f5474a9/48d5225545614304aec2943aece1f7d6/FLAG4da7fc65a [2018-12-08 13:54:59,446 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/data/e6f5474a9/48d5225545614304aec2943aece1f7d6 [2018-12-08 13:54:59,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:54:59,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:54:59,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:59,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:54:59,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:54:59,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2f91dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59, skipping insertion in model container [2018-12-08 13:54:59,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:54:59,472 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:54:59,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:59,570 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:54:59,586 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:59,596 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:54:59,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59 WrapperNode [2018-12-08 13:54:59,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:59,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:59,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:54:59,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:54:59,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:59,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:54:59,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:54:59,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:54:59,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... [2018-12-08 13:54:59,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:54:59,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:54:59,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:54:59,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:54:59,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/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 [2018-12-08 13:54:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 13:54:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 13:54:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:54:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:54:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 13:54:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 13:54:59,881 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:54:59,882 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 13:54:59,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:59 BoogieIcfgContainer [2018-12-08 13:54:59,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:54:59,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 13:54:59,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 13:54:59,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 13:54:59,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 01:54:59" (1/3) ... [2018-12-08 13:54:59,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfe3bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:54:59, skipping insertion in model container [2018-12-08 13:54:59,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:59" (2/3) ... [2018-12-08 13:54:59,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfe3bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:54:59, skipping insertion in model container [2018-12-08 13:54:59,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:59" (3/3) ... [2018-12-08 13:54:59,886 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-12-08 13:54:59,892 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 13:54:59,898 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-12-08 13:54:59,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-12-08 13:54:59,924 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:54:59,924 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 13:54:59,924 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 13:54:59,924 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 13:54:59,924 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:54:59,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:54:59,925 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 13:54:59,925 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:54:59,925 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 13:54:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-08 13:54:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:54:59,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:54:59,939 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-08 13:54:59,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:54:59,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:54:59,944 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-12-08 13:54:59,947 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 13:54:59,947 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 13:54:59,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:54:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:54:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,987 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 13:54:59,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:54:59,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 13:54:59,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 13:54:59,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 13:55:00,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 13:55:00,001 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-08 13:55:00,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:00,017 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2018-12-08 13:55:00,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 13:55:00,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-12-08 13:55:00,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:00,023 INFO L225 Difference]: With dead ends: 185 [2018-12-08 13:55:00,023 INFO L226 Difference]: Without dead ends: 69 [2018-12-08 13:55:00,025 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 [2018-12-08 13:55:00,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-08 13:55:00,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-08 13:55:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-08 13:55:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2018-12-08 13:55:00,047 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 6 [2018-12-08 13:55:00,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:00,048 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2018-12-08 13:55:00,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 13:55:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2018-12-08 13:55:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 13:55:00,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:00,048 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:00,049 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:00,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:00,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1984689679, now seen corresponding path program 1 times [2018-12-08 13:55:00,050 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 13:55:00,050 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 13:55:00,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:00,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:55:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:00,099 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 13:55:00,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:00,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:55:00,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:55:00,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:55:00,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:55:00,109 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand 3 states. [2018-12-08 13:55:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:00,175 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2018-12-08 13:55:00,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:55:00,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-08 13:55:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:00,176 INFO L225 Difference]: With dead ends: 69 [2018-12-08 13:55:00,176 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 13:55:00,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:55:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 13:55:00,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 13:55:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 13:55:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 13:55:00,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-08 13:55:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:00,178 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:55:00,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:55:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 13:55:00,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:55:00,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 13:55:00,212 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 13:55:00,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:55:00,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:55:00,212 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 13:55:00,212 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 13:55:00,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 13:55:00,212 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,212 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4 48) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,213 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-12-08 13:55:00,214 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,215 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-12-08 13:55:00,216 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-12-08 13:55:00,217 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,218 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,219 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-12-08 13:55:00,220 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 4 48) the Hoare annotation is: true [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-12-08 13:55:00,221 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 4 48) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-12-08 13:55:00,222 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-12-08 13:55:00,223 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2018-12-08 13:55:00,224 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-12-08 13:55:00,224 INFO L448 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-12-08 13:55:00,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 01:55:00 BoogieIcfgContainer [2018-12-08 13:55:00,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 13:55:00,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:55:00,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:55:00,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:55:00,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:59" (3/4) ... [2018-12-08 13:55:00,230 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:55:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 13:55:00,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 13:55:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:55:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:55:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:55:00,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d2710a2-98fb-405a-a674-cb51c6dd5ad9/bin-2019/uautomizer/witness.graphml [2018-12-08 13:55:00,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:55:00,272 INFO L168 Benchmark]: Toolchain (without parser) took 824.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,273 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:00,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.54 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,273 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:00,273 INFO L168 Benchmark]: RCFGBuilder took 250.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,274 INFO L168 Benchmark]: TraceAbstraction took 343.89 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,274 INFO L168 Benchmark]: Witness Printer took 44.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:00,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 15.54 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 250.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 343.89 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 35]: 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: 17]: 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: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 41]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: 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: 23]: 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: 37]: 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: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 46]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 17 SDslu, 22 SDs, 0 SdLazy, 17 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 2 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...