./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/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_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/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_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/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_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/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-aa41828 [2018-11-23 01:19:29,562 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:19:29,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:19:29,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:19:29,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:19:29,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:19:29,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:19:29,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:19:29,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:19:29,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:19:29,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:19:29,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:19:29,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:19:29,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:19:29,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:19:29,580 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:19:29,581 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:19:29,582 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:19:29,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:19:29,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:19:29,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:19:29,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:19:29,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:19:29,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:19:29,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:19:29,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:19:29,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:19:29,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:19:29,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:19:29,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:19:29,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:19:29,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:19:29,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:19:29,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:19:29,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:19:29,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:19:29,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:19:29,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:19:29,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:19:29,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:19:29,600 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:19:29,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:19:29,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:19:29,601 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:19:29,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:19:29,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:19:29,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:19:29,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:19:29,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:19:29,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:19:29,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:19:29,605 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_385949bc-f0a3-4653-a36a-df4c16a6a206/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 [2018-11-23 01:19:29,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:19:29,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:19:29,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:19:29,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:19:29,642 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:19:29,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-11-23 01:19:29,687 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/eaa11e413/03b0cedcf6744e96afab01e721fdbf40/FLAG2933965de [2018-11-23 01:19:29,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:19:29,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-11-23 01:19:29,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/eaa11e413/03b0cedcf6744e96afab01e721fdbf40/FLAG2933965de [2018-11-23 01:19:29,988 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/eaa11e413/03b0cedcf6744e96afab01e721fdbf40 [2018-11-23 01:19:29,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:19:29,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:19:29,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:19:29,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:19:29,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:19:29,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:29" (1/1) ... [2018-11-23 01:19:29,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ac8c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:29, skipping insertion in model container [2018-11-23 01:19:29,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:29" (1/1) ... [2018-11-23 01:19:30,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:19:30,019 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:19:30,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:19:30,121 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:19:30,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:19:30,142 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:19:30,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30 WrapperNode [2018-11-23 01:19:30,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:19:30,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:19:30,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:19:30,143 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:19:30,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:19:30,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:19:30,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:19:30,161 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:19:30,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... [2018-11-23 01:19:30,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:19:30,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:19:30,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:19:30,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:19:30,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:19:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:19:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:19:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:19:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:19:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:19:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:19:30,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:19:30,484 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:19:30,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:30 BoogieIcfgContainer [2018-11-23 01:19:30,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:19:30,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:19:30,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:19:30,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:19:30,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:19:29" (1/3) ... [2018-11-23 01:19:30,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dc6ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:19:30, skipping insertion in model container [2018-11-23 01:19:30,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:30" (2/3) ... [2018-11-23 01:19:30,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dc6ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:19:30, skipping insertion in model container [2018-11-23 01:19:30,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:30" (3/3) ... [2018-11-23 01:19:30,492 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-11-23 01:19:30,499 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:19:30,504 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-23 01:19:30,514 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-23 01:19:30,534 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:19:30,535 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:19:30,535 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:19:30,535 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:19:30,535 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:19:30,535 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:19:30,535 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:19:30,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:19:30,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:19:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-23 01:19:30,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 01:19:30,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:30,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 01:19:30,559 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:30,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:30,563 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-11-23 01:19:30,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:19:30,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:19:30,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:30,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:30,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:19:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:19:30,617 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #295#return; [?] CALL call #t~ret3 := main(); [?] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.0); [?] assume !false; [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.0); [L7] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.0); [L7] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.0) [L7] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.0) [L7] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.0) [L7] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L7] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.0) [L7] assert false; [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() ----- [2018-11-23 01:19:30,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:19:30 BoogieIcfgContainer [2018-11-23 01:19:30,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:19:30,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:19:30,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:19:30,631 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:19:30,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:30" (3/4) ... [2018-11-23 01:19:30,634 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 01:19:30,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:19:30,635 INFO L168 Benchmark]: Toolchain (without parser) took 645.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:30,637 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:30,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:30,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.30 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:30,638 INFO L168 Benchmark]: Boogie Preprocessor took 54.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.5 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:30,639 INFO L168 Benchmark]: RCFGBuilder took 269.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:30,640 INFO L168 Benchmark]: TraceAbstraction took 144.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:30,640 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:30,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.30 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.5 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 269.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. UNSAFE Result, 0.0s 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-aa41828 [2018-11-23 01:19:32,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:19:32,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:19:32,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:19:32,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:19:32,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:19:32,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:19:32,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:19:32,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:19:32,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:19:32,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:19:32,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:19:32,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:19:32,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:19:32,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:19:32,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:19:32,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:19:32,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:19:32,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:19:32,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:19:32,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:19:32,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:19:32,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:19:32,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:19:32,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:19:32,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:19:32,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:19:32,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:19:32,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:19:32,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:19:32,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:19:32,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:19:32,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:19:32,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:19:32,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:19:32,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:19:32,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 01:19:32,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:19:32,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:19:32,070 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:19:32,071 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:19:32,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:19:32,071 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:19:32,071 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:19:32,071 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:19:32,072 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:19:32,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:19:32,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:19:32,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:19:32,074 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:19:32,075 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:19:32,075 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_385949bc-f0a3-4653-a36a-df4c16a6a206/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 [2018-11-23 01:19:32,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:19:32,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:19:32,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:19:32,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:19:32,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:19:32,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-11-23 01:19:32,149 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/f12030473/1ed3769c1e1c40bfbb4d95c9d7c9d739/FLAGf609b47ed [2018-11-23 01:19:32,547 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:19:32,548 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-11-23 01:19:32,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/f12030473/1ed3769c1e1c40bfbb4d95c9d7c9d739/FLAGf609b47ed [2018-11-23 01:19:32,561 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/data/f12030473/1ed3769c1e1c40bfbb4d95c9d7c9d739 [2018-11-23 01:19:32,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:19:32,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:19:32,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:19:32,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:19:32,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:19:32,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622bc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32, skipping insertion in model container [2018-11-23 01:19:32,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:19:32,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:19:32,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:19:32,743 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:19:32,762 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:19:32,774 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:19:32,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32 WrapperNode [2018-11-23 01:19:32,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:19:32,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:19:32,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:19:32,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:19:32,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:19:32,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:19:32,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:19:32,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:19:32,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... [2018-11-23 01:19:32,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:19:32,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:19:32,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:19:32,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:19:32,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:19:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:19:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:19:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:19:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:19:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:19:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:19:33,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:19:33,169 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:19:33,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:33 BoogieIcfgContainer [2018-11-23 01:19:33,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:19:33,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:19:33,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:19:33,172 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:19:33,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:19:32" (1/3) ... [2018-11-23 01:19:33,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7785e13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:19:33, skipping insertion in model container [2018-11-23 01:19:33,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:32" (2/3) ... [2018-11-23 01:19:33,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7785e13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:19:33, skipping insertion in model container [2018-11-23 01:19:33,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:33" (3/3) ... [2018-11-23 01:19:33,174 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-11-23 01:19:33,180 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:19:33,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-23 01:19:33,193 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-23 01:19:33,212 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:19:33,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:19:33,212 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:19:33,212 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:19:33,212 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:19:33,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:19:33,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:19:33,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:19:33,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:19:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-23 01:19:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 01:19:33,229 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:33,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 01:19:33,231 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:33,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:33,235 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-11-23 01:19:33,237 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:19:33,237 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:19:33,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:33,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:19:33,276 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:19:33,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:19:33,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:19:33,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:19:33,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:19:33,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:19:33,291 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-23 01:19:33,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:33,307 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2018-11-23 01:19:33,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:19:33,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-11-23 01:19:33,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:33,314 INFO L225 Difference]: With dead ends: 185 [2018-11-23 01:19:33,314 INFO L226 Difference]: Without dead ends: 69 [2018-11-23 01:19:33,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:19:33,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-23 01:19:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-23 01:19:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-23 01:19:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2018-11-23 01:19:33,346 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 6 [2018-11-23 01:19:33,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:33,347 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2018-11-23 01:19:33,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:19:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2018-11-23 01:19:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 01:19:33,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:33,348 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] [2018-11-23 01:19:33,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:33,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1984689679, now seen corresponding path program 1 times [2018-11-23 01:19:33,350 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 01:19:33,350 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/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 [2018-11-23 01:19:33,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:33,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:19:33,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:19:33,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:19:33,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:19:33,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:19:33,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:19:33,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:19:33,440 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand 3 states. [2018-11-23 01:19:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:33,544 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2018-11-23 01:19:33,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:19:33,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 01:19:33,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:33,545 INFO L225 Difference]: With dead ends: 69 [2018-11-23 01:19:33,545 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:19:33,546 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 [2018-11-23 01:19:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:19:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:19:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:19:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:19:33,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 01:19:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:33,547 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:19:33,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:19:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:19:33,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:19:33,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:19:33,576 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 01:19:33,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:19:33,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:19:33,576 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 01:19:33,576 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:19:33,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:19:33,576 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4 48) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,577 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-11-23 01:19:33,578 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-23 01:19:33,579 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 01:19:33,580 INFO L448 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-11-23 01:19:33,581 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-11-23 01:19:33,582 INFO L448 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,583 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-23 01:19:33,584 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 4 48) the Hoare annotation is: true [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-23 01:19:33,585 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 4 48) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-23 01:19:33,586 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-23 01:19:33,587 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2018-11-23 01:19:33,588 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-11-23 01:19:33,589 INFO L448 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-11-23 01:19:33,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:19:33 BoogieIcfgContainer [2018-11-23 01:19:33,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:19:33,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:19:33,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:19:33,592 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:19:33,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:33" (3/4) ... [2018-11-23 01:19:33,594 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:19:33,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:19:33,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:19:33,603 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:19:33,603 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:19:33,603 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:19:33,644 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_385949bc-f0a3-4653-a36a-df4c16a6a206/bin-2019/uautomizer/witness.graphml [2018-11-23 01:19:33,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:19:33,645 INFO L168 Benchmark]: Toolchain (without parser) took 1081.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -78.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:33,646 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:33,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:33,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:33,647 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:19:33,647 INFO L168 Benchmark]: RCFGBuilder took 350.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:33,647 INFO L168 Benchmark]: TraceAbstraction took 421.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:33,647 INFO L168 Benchmark]: Witness Printer took 52.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:19:33,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 210.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 350.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 421.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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: 36]: 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: 43]: 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: 15]: 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: 42]: 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: 46]: 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: 21]: 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: 44]: 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: 45]: 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: 31]: 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: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 35]: 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: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: 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: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: 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: 23]: 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 - 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...