./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-industry-pattern/ofuf_3_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-industry-pattern/ofuf_3_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 aa745eb37a305c705c876c4aeeab00de01c4148b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:23:11,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:23:11,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:23:11,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:23:11,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:23:11,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:23:11,174 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:23:11,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:23:11,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:23:11,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:23:11,181 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:23:11,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:23:11,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:23:11,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:23:11,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:23:11,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:23:11,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:23:11,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:23:11,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:23:11,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:23:11,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:23:11,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:23:11,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:23:11,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:23:11,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:23:11,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:23:11,202 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:23:11,203 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:23:11,204 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:23:11,205 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:23:11,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:23:11,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:23:11,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:23:11,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:23:11,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:23:11,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:23:11,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:23:11,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:23:11,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:23:11,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:23:11,245 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:23:11,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:23:11,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:23:11,246 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:23:11,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:23:11,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:23:11,248 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:23:11,248 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:23:11,248 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:23:11,248 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:23:11,248 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:23:11,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:23:11,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:23:11,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:23:11,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:23:11,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:23:11,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:23:11,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:23:11,253 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:23:11,253 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:23:11,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:23:11,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:23:11,253 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> aa745eb37a305c705c876c4aeeab00de01c4148b [2018-11-28 18:23:11,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:23:11,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:23:11,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:23:11,348 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:23:11,348 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:23:11,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-industry-pattern/ofuf_3_true-unreach-call.c [2018-11-28 18:23:11,423 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e7d03d5/1e06bc3220dc41b8a3438b37b13739a3/FLAGb198dfb77 [2018-11-28 18:23:11,944 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:23:11,948 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-industry-pattern/ofuf_3_true-unreach-call.c [2018-11-28 18:23:11,962 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e7d03d5/1e06bc3220dc41b8a3438b37b13739a3/FLAGb198dfb77 [2018-11-28 18:23:12,195 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e7d03d5/1e06bc3220dc41b8a3438b37b13739a3 [2018-11-28 18:23:12,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:23:12,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:23:12,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:23:12,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:23:12,205 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:23:12,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d72f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12, skipping insertion in model container [2018-11-28 18:23:12,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:23:12,275 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:23:12,570 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:23:12,585 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:23:12,742 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:23:12,770 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:23:12,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12 WrapperNode [2018-11-28 18:23:12,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:23:12,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:23:12,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:23:12,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:23:12,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:23:12,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:23:12,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:23:12,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:23:12,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... [2018-11-28 18:23:12,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:23:12,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:23:12,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:23:12,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:23:12,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 18:23:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 18:23:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2018-11-28 18:23:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2018-11-28 18:23:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:23:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:23:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 18:23:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:23:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2018-11-28 18:23:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2018-11-28 18:23:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 18:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-28 18:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2018-11-28 18:23:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2018-11-28 18:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2018-11-28 18:23:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2018-11-28 18:23:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2018-11-28 18:23:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2018-11-28 18:23:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:23:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2018-11-28 18:23:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2018-11-28 18:23:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2018-11-28 18:23:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2018-11-28 18:23:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:23:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:23:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:23:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:23:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-28 18:23:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-28 18:23:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 18:23:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 18:23:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:23:14,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:23:14,309 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 18:23:14,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:14 BoogieIcfgContainer [2018-11-28 18:23:14,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:23:14,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:23:14,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:23:14,316 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:23:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:23:12" (1/3) ... [2018-11-28 18:23:14,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bfd464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:23:14, skipping insertion in model container [2018-11-28 18:23:14,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:12" (2/3) ... [2018-11-28 18:23:14,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bfd464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:23:14, skipping insertion in model container [2018-11-28 18:23:14,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:14" (3/3) ... [2018-11-28 18:23:14,320 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_3_true-unreach-call.c [2018-11-28 18:23:14,329 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:23:14,339 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:23:14,359 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:23:14,395 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:23:14,396 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:23:14,396 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:23:14,396 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:23:14,397 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:23:14,397 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:23:14,397 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:23:14,397 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:23:14,397 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:23:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-28 18:23:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 18:23:14,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:23:14,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:23:14,432 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:23:14,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:23:14,437 INFO L82 PathProgramCache]: Analyzing trace with hash -869837787, now seen corresponding path program 1 times [2018-11-28 18:23:14,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:23:14,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:23:14,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:14,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:14,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:23:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:23:14,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:23:14,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:23:14,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:23:14,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:23:14,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:23:14,806 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-28 18:23:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:23:14,864 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2018-11-28 18:23:14,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:23:14,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2018-11-28 18:23:14,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:23:14,890 INFO L225 Difference]: With dead ends: 241 [2018-11-28 18:23:14,890 INFO L226 Difference]: Without dead ends: 119 [2018-11-28 18:23:14,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:23:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-28 18:23:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-28 18:23:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 18:23:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2018-11-28 18:23:14,974 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2018-11-28 18:23:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:23:14,974 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2018-11-28 18:23:14,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:23:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2018-11-28 18:23:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 18:23:14,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:23:14,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:23:14,980 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:23:14,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:23:14,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1679184413, now seen corresponding path program 1 times [2018-11-28 18:23:14,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:23:14,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:23:14,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:14,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:14,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:15,035 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 18:23:15,035 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 18:23:15,035 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 18:23:15,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:23:15,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:23:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:23:15,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:23:15,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:23:15,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:23:15,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:23:15,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:23:15,504 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2018-11-28 18:23:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:23:15,630 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2018-11-28 18:23:15,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:23:15,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-11-28 18:23:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:23:15,632 INFO L225 Difference]: With dead ends: 119 [2018-11-28 18:23:15,632 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:23:15,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:23:15,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:23:15,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:23:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:23:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:23:15,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-11-28 18:23:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:23:15,640 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:23:15,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:23:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:23:15,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:23:15,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:23:16,041 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-28 18:23:16,041 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2018-11-28 18:23:16,041 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2018-11-28 18:23:16,041 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2018-11-28 18:23:16,042 INFO L451 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2018-11-28 18:23:16,042 INFO L448 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2018-11-28 18:23:16,042 INFO L451 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2018-11-28 18:23:16,042 INFO L448 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2018-11-28 18:23:16,042 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2018-11-28 18:23:16,042 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 272) no Hoare annotation was computed. [2018-11-28 18:23:16,042 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2018-11-28 18:23:16,043 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:23:16,043 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:23:16,043 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:23:16,043 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2018-11-28 18:23:16,043 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2018-11-28 18:23:16,043 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2018-11-28 18:23:16,044 INFO L451 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2018-11-28 18:23:16,044 INFO L448 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-28 18:23:16,044 INFO L448 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2018-11-28 18:23:16,044 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2018-11-28 18:23:16,044 INFO L448 ceAbstractionStarter]: For program point L401-2(lines 401 411) no Hoare annotation was computed. [2018-11-28 18:23:16,044 INFO L451 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2018-11-28 18:23:16,044 INFO L451 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2018-11-28 18:23:16,045 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2018-11-28 18:23:16,045 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-28 18:23:16,045 INFO L451 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2018-11-28 18:23:16,045 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-28 18:23:16,045 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2018-11-28 18:23:16,045 INFO L448 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L451 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2018-11-28 18:23:16,046 INFO L448 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L448 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L448 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L448 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2018-11-28 18:23:16,046 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2018-11-28 18:23:16,047 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-28 18:23:16,048 INFO L448 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L448 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2018-11-28 18:23:16,049 INFO L451 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2018-11-28 18:23:16,050 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-28 18:23:16,050 INFO L448 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2018-11-28 18:23:16,050 INFO L448 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2018-11-28 18:23:16,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:23:16,050 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 18:23:16,050 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:23:16,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:23:16,051 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2018-11-28 18:23:16,052 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2018-11-28 18:23:16,052 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2018-11-28 18:23:16,053 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2018-11-28 18:23:16,053 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-28 18:23:16,053 INFO L448 ceAbstractionStarter]: For program point L353-2(lines 353 391) no Hoare annotation was computed. [2018-11-28 18:23:16,053 INFO L451 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2018-11-28 18:23:16,053 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2018-11-28 18:23:16,054 INFO L451 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2018-11-28 18:23:16,056 INFO L448 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2018-11-28 18:23:16,056 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2018-11-28 18:23:16,056 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-28 18:23:16,056 INFO L448 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-28 18:23:16,056 INFO L448 ceAbstractionStarter]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2018-11-28 18:23:16,057 INFO L451 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2018-11-28 18:23:16,057 INFO L448 ceAbstractionStarter]: For program point L371-4(lines 371 388) no Hoare annotation was computed. [2018-11-28 18:23:16,057 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2018-11-28 18:23:16,057 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2018-11-28 18:23:16,057 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2018-11-28 18:23:16,058 INFO L448 ceAbstractionStarter]: For program point L347-2(lines 347 350) no Hoare annotation was computed. [2018-11-28 18:23:16,058 INFO L451 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2018-11-28 18:23:16,058 INFO L448 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2018-11-28 18:23:16,058 INFO L451 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2018-11-28 18:23:16,058 INFO L448 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2018-11-28 18:23:16,058 INFO L451 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2018-11-28 18:23:16,058 INFO L448 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2018-11-28 18:23:16,059 INFO L451 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2018-11-28 18:23:16,059 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2018-11-28 18:23:16,059 INFO L448 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-28 18:23:16,059 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-28 18:23:16,059 INFO L451 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-28 18:23:16,059 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-28 18:23:16,059 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2018-11-28 18:23:16,060 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 18:23:16,060 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2018-11-28 18:23:16,061 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2018-11-28 18:23:16,061 INFO L448 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2018-11-28 18:23:16,061 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-28 18:23:16,061 INFO L451 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2018-11-28 18:23:16,061 INFO L448 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-11-28 18:23:16,061 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2018-11-28 18:23:16,062 INFO L448 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2018-11-28 18:23:16,062 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2018-11-28 18:23:16,062 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2018-11-28 18:23:16,062 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2018-11-28 18:23:16,062 INFO L451 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-28 18:23:16,062 INFO L451 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2018-11-28 18:23:16,062 INFO L448 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2018-11-28 18:23:16,063 INFO L448 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L448 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L448 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2018-11-28 18:23:16,064 INFO L448 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2018-11-28 18:23:16,064 INFO L451 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2018-11-28 18:23:16,065 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2018-11-28 18:23:16,065 INFO L448 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2018-11-28 18:23:16,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:23:16 BoogieIcfgContainer [2018-11-28 18:23:16,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:23:16,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:23:16,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:23:16,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:23:16,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:14" (3/4) ... [2018-11-28 18:23:16,097 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:23:16,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_92 [2018-11-28 18:23:16,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:23:16,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_100 [2018-11-28 18:23:16,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_99 [2018-11-28 18:23:16,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_97 [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2018-11-28 18:23:16,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_96 [2018-11-28 18:23:16,144 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-28 18:23:16,145 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-28 18:23:16,146 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-28 18:23:16,149 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:23:16,150 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:23:16,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:23:16,311 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:23:16,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:23:16,316 INFO L168 Benchmark]: Toolchain (without parser) took 4117.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.7 MB in the beginning and 960.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:16,317 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:23:16,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:16,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.58 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. [2018-11-28 18:23:16,319 INFO L168 Benchmark]: Boogie Preprocessor took 82.45 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. [2018-11-28 18:23:16,319 INFO L168 Benchmark]: RCFGBuilder took 1416.36 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:16,319 INFO L168 Benchmark]: TraceAbstraction took 1770.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.5 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:16,320 INFO L168 Benchmark]: Witness Printer took 233.99 ms. Allocated memory is still 1.2 GB. Free memory was 974.5 MB in the beginning and 960.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:16,322 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.58 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. * Boogie Preprocessor took 82.45 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. * RCFGBuilder took 1416.36 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1770.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.5 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. * Witness Printer took 233.99 ms. Allocated memory is still 1.2 GB. Free memory was 974.5 MB in the beginning and 960.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 128 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 5 SDslu, 317 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 34 LocationsWithAnnotation, 76 PreInvPairs, 91 NumberOfFragments, 34 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 2 NumberOfNonLiveVariables, 516 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...