./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-industry-pattern/ofuf_1_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_1_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 1e13928f4cbb5df8bd3bcc6bd2cf23d73954ed0e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:23:10,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:23:10,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:23:10,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:23:10,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:23:10,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:23:10,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:23:10,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:23:10,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:23:10,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:23:10,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:23:10,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:23:10,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:23:10,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:23:10,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:23:10,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:23:10,110 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:23:10,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:23:10,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:23:10,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:23:10,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:23:10,119 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:23:10,121 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:23:10,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:23:10,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:23:10,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:23:10,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:23:10,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:23:10,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:23:10,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:23:10,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:23:10,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:23:10,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:23:10,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:23:10,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:23:10,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:23:10,132 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:23:10,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:23:10,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:23:10,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:23:10,158 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:23:10,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:23:10,159 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:23:10,160 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:23:10,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:23:10,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:23:10,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:23:10,160 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:23:10,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:23:10,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:23:10,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:23:10,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:23:10,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:23:10,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:23:10,164 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:23:10,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:23:10,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:23:10,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:23:10,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:23:10,165 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:23:10,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:23:10,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:23:10,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:23:10,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:23:10,165 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:23:10,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:23:10,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:23:10,166 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 -> 1e13928f4cbb5df8bd3bcc6bd2cf23d73954ed0e [2018-11-28 18:23:10,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:23:10,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:23:10,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:23:10,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:23:10,234 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:23:10,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-industry-pattern/ofuf_1_true-unreach-call.c [2018-11-28 18:23:10,302 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82edc746d/d6a78ec1f4a247aea6a05d586beb6a59/FLAGd912f9f84 [2018-11-28 18:23:10,842 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:23:10,844 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-industry-pattern/ofuf_1_true-unreach-call.c [2018-11-28 18:23:10,858 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82edc746d/d6a78ec1f4a247aea6a05d586beb6a59/FLAGd912f9f84 [2018-11-28 18:23:11,118 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82edc746d/d6a78ec1f4a247aea6a05d586beb6a59 [2018-11-28 18:23:11,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:23:11,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:23:11,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:23:11,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:23:11,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:23:11,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72637f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11, skipping insertion in model container [2018-11-28 18:23:11,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:23:11,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:23:11,607 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:23:11,633 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:23:11,853 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:23:11,877 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:23:11,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11 WrapperNode [2018-11-28 18:23:11,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:23:11,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:23:11,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:23:11,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:23:11,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:23:11,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:23:11,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:23:11,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:23:11,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:11,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:12,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:12,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (1/1) ... [2018-11-28 18:23:12,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:23:12,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:23:12,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:23:12,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:23:12,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (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 18:23:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2018-11-28 18:23:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2018-11-28 18:23:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 18:23:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2018-11-28 18:23:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2018-11-28 18:23:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2018-11-28 18:23:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2018-11-28 18:23:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2018-11-28 18:23:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2018-11-28 18:23:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:23:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:23:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 18:23:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:23:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:23:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:23:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2018-11-28 18:23:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2018-11-28 18:23:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2018-11-28 18:23:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2018-11-28 18:23:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 18:23:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-28 18:23:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:23:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:23:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:23:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:23:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:23:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-28 18:23:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-28 18:23:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 18:23:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 18:23:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:23:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2018-11-28 18:23:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2018-11-28 18:23:13,616 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:23:13,616 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 18:23:13,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:13 BoogieIcfgContainer [2018-11-28 18:23:13,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:23:13,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:23:13,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:23:13,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:23:13,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:23:11" (1/3) ... [2018-11-28 18:23:13,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6132a508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:23:13, skipping insertion in model container [2018-11-28 18:23:13,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:23:11" (2/3) ... [2018-11-28 18:23:13,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6132a508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:23:13, skipping insertion in model container [2018-11-28 18:23:13,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:13" (3/3) ... [2018-11-28 18:23:13,625 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1_true-unreach-call.c [2018-11-28 18:23:13,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:23:13,645 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:23:13,664 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:23:13,701 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:23:13,702 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:23:13,702 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:23:13,702 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:23:13,702 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:23:13,703 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:23:13,703 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:23:13,703 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:23:13,703 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:23:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-28 18:23:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 18:23:13,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:23:13,740 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] [2018-11-28 18:23:13,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:23:13,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:23:13,750 INFO L82 PathProgramCache]: Analyzing trace with hash 407946899, now seen corresponding path program 1 times [2018-11-28 18:23:13,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:23:13,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:23:13,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:13,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:13,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:23:14,177 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 18:23:14,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:23:14,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:23:14,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:23:14,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:23:14,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:23:14,204 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-28 18:23:14,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:23:14,248 INFO L93 Difference]: Finished difference Result 239 states and 359 transitions. [2018-11-28 18:23:14,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:23:14,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 38 [2018-11-28 18:23:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:23:14,267 INFO L225 Difference]: With dead ends: 239 [2018-11-28 18:23:14,267 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 18:23:14,273 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 18:23:14,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 18:23:14,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 18:23:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 18:23:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2018-11-28 18:23:14,337 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2018-11-28 18:23:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:23:14,337 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2018-11-28 18:23:14,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:23:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2018-11-28 18:23:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 18:23:14,342 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:23:14,342 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] [2018-11-28 18:23:14,342 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:23:14,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:23:14,343 INFO L82 PathProgramCache]: Analyzing trace with hash -2112013035, now seen corresponding path program 1 times [2018-11-28 18:23:14,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:23:14,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:23:14,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:14,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:14,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:23:14,383 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 18:23:14,383 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 18:23:14,383 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 18:23:14,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:23:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:23:14,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:23:15,217 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 18:23:15,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:23:15,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:23:15,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:23:15,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:23:15,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:23:15,256 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2018-11-28 18:23:15,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:23:15,467 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2018-11-28 18:23:15,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:23:15,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-11-28 18:23:15,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:23:15,469 INFO L225 Difference]: With dead ends: 118 [2018-11-28 18:23:15,469 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:23:15,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:23:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:23:15,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:23:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:23:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:23:15,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-11-28 18:23:15,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:23:15,474 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:23:15,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:23:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:23:15,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:23:15,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:23:15,673 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_113EXIT(lines 300 319) no Hoare annotation was computed. [2018-11-28 18:23:15,673 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_113ENTRY(lines 300 319) the Hoare annotation is: true [2018-11-28 18:23:15,673 INFO L451 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: true [2018-11-28 18:23:15,674 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_113FINAL(lines 300 319) no Hoare annotation was computed. [2018-11-28 18:23:15,674 INFO L451 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2018-11-28 18:23:15,674 INFO L448 ceAbstractionStarter]: For program point L317-1(line 317) no Hoare annotation was computed. [2018-11-28 18:23:15,674 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-28 18:23:15,674 INFO L451 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2018-11-28 18:23:15,674 INFO L448 ceAbstractionStarter]: For program point L310-1(line 310) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 315) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 307) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_115ENTRY(lines 351 419) the Hoare annotation is: true [2018-11-28 18:23:15,675 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_115FINAL(lines 351 419) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 416) no Hoare annotation was computed. [2018-11-28 18:23:15,675 INFO L451 ceAbstractionStarter]: At program point L378-3(lines 378 416) the Hoare annotation is: true [2018-11-28 18:23:15,676 INFO L451 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2018-11-28 18:23:15,676 INFO L448 ceAbstractionStarter]: For program point L391-1(lines 391 394) no Hoare annotation was computed. [2018-11-28 18:23:15,676 INFO L451 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: true [2018-11-28 18:23:15,676 INFO L448 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2018-11-28 18:23:15,676 INFO L448 ceAbstractionStarter]: For program point L396-2(lines 396 413) no Hoare annotation was computed. [2018-11-28 18:23:15,676 INFO L451 ceAbstractionStarter]: At program point L396-3(lines 396 413) the Hoare annotation is: true [2018-11-28 18:23:15,676 INFO L448 ceAbstractionStarter]: For program point L396-4(lines 396 413) no Hoare annotation was computed. [2018-11-28 18:23:15,677 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 412) no Hoare annotation was computed. [2018-11-28 18:23:15,677 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 417) no Hoare annotation was computed. [2018-11-28 18:23:15,677 INFO L448 ceAbstractionStarter]: For program point L372-2(lines 372 375) no Hoare annotation was computed. [2018-11-28 18:23:15,677 INFO L451 ceAbstractionStarter]: At program point L372-3(lines 372 375) the Hoare annotation is: true [2018-11-28 18:23:15,677 INFO L448 ceAbstractionStarter]: For program point L372-4(lines 352 419) no Hoare annotation was computed. [2018-11-28 18:23:15,677 INFO L451 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: true [2018-11-28 18:23:15,677 INFO L448 ceAbstractionStarter]: For program point L385-1(lines 385 388) no Hoare annotation was computed. [2018-11-28 18:23:15,678 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_115EXIT(lines 351 419) no Hoare annotation was computed. [2018-11-28 18:23:15,678 INFO L451 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-11-28 18:23:15,678 INFO L448 ceAbstractionStarter]: For program point L381-1(lines 381 384) no Hoare annotation was computed. [2018-11-28 18:23:15,678 INFO L451 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: true [2018-11-28 18:23:15,678 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 398 401) no Hoare annotation was computed. [2018-11-28 18:23:15,678 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:23:15,679 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:23:15,679 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:23:15,679 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_114EXIT(lines 320 350) no Hoare annotation was computed. [2018-11-28 18:23:15,679 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 334) no Hoare annotation was computed. [2018-11-28 18:23:15,679 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_114ENTRY(lines 320 350) the Hoare annotation is: true [2018-11-28 18:23:15,679 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_114FINAL(lines 320 350) no Hoare annotation was computed. [2018-11-28 18:23:15,679 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 343) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L338-1(lines 336 348) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L336-2(line 336) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L336-3(line 336) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L336-5(lines 336 348) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L448 ceAbstractionStarter]: For program point L328-1(lines 328 335) no Hoare annotation was computed. [2018-11-28 18:23:15,680 INFO L451 ceAbstractionStarter]: At program point L328-3(lines 328 335) the Hoare annotation is: true [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 327) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point L328-4(lines 328 335) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point L290-1(lines 270 299) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point L290-2(lines 290 297) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_110FINAL(lines 269 299) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_110EXIT(lines 269 299) no Hoare annotation was computed. [2018-11-28 18:23:15,681 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 289) no Hoare annotation was computed. [2018-11-28 18:23:15,682 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_110ENTRY(lines 269 299) the Hoare annotation is: true [2018-11-28 18:23:15,682 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 289) no Hoare annotation was computed. [2018-11-28 18:23:15,682 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-28 18:23:15,682 INFO L451 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-28 18:23:15,682 INFO L451 ceAbstractionStarter]: At program point L292-1(line 292) the Hoare annotation is: true [2018-11-28 18:23:15,682 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:23:15,682 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 18:23:15,683 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:23:15,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:23:15,683 INFO L451 ceAbstractionStarter]: At program point L478(line 478) the Hoare annotation is: true [2018-11-28 18:23:15,683 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 447 479) the Hoare annotation is: true [2018-11-28 18:23:15,683 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 447 479) no Hoare annotation was computed. [2018-11-28 18:23:15,683 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 476) no Hoare annotation was computed. [2018-11-28 18:23:15,683 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 447 479) no Hoare annotation was computed. [2018-11-28 18:23:15,684 INFO L448 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-28 18:23:15,684 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-28 18:23:15,684 INFO L451 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-28 18:23:15,684 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-28 18:23:15,684 INFO L448 ceAbstractionStarter]: For program point L482-2(lines 480 487) no Hoare annotation was computed. [2018-11-28 18:23:15,684 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 480 487) the Hoare annotation is: true [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 480 487) no Hoare annotation was computed. [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 485) no Hoare annotation was computed. [2018-11-28 18:23:15,685 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_117ENTRY(lines 420 439) the Hoare annotation is: true [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_117FINAL(lines 420 439) no Hoare annotation was computed. [2018-11-28 18:23:15,685 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 18:23:15,686 INFO L448 ceAbstractionStarter]: For program point L428-2(lines 428 435) no Hoare annotation was computed. [2018-11-28 18:23:15,686 INFO L448 ceAbstractionStarter]: For program point L426-2(lines 426 436) no Hoare annotation was computed. [2018-11-28 18:23:15,686 INFO L451 ceAbstractionStarter]: At program point L426-3(lines 426 436) the Hoare annotation is: true [2018-11-28 18:23:15,686 INFO L451 ceAbstractionStarter]: At program point L426-4(lines 426 436) the Hoare annotation is: true [2018-11-28 18:23:15,686 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 18:23:15,686 INFO L451 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: true [2018-11-28 18:23:15,687 INFO L448 ceAbstractionStarter]: For program point L425-1(line 425) no Hoare annotation was computed. [2018-11-28 18:23:15,687 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_117EXIT(lines 420 439) no Hoare annotation was computed. [2018-11-28 18:23:15,687 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_118ENTRY(lines 440 446) the Hoare annotation is: true [2018-11-28 18:23:15,687 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-11-28 18:23:15,687 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_118FINAL(lines 440 446) no Hoare annotation was computed. [2018-11-28 18:23:15,687 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_118EXIT(lines 440 446) no Hoare annotation was computed. [2018-11-28 18:23:15,687 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_107ENTRY(lines 213 268) the Hoare annotation is: true [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point L254-2(line 254) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point L254-3(line 254) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point L254-5(lines 254 266) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_107FINAL(lines 213 268) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 246 253) no Hoare annotation was computed. [2018-11-28 18:23:15,688 INFO L451 ceAbstractionStarter]: At program point L246-3(lines 246 253) the Hoare annotation is: true [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L246-4(lines 246 253) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L234-2(line 234) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2018-11-28 18:23:15,689 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 221) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L231-2(line 231) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 261) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L256-1(lines 254 266) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2018-11-28 18:23:15,690 INFO L448 ceAbstractionStarter]: For program point L240-2(line 240) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 252) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L448 ceAbstractionStarter]: For program point L237-2(line 237) no Hoare annotation was computed. [2018-11-28 18:23:15,691 INFO L451 ceAbstractionStarter]: At program point L229(lines 229 245) the Hoare annotation is: true [2018-11-28 18:23:15,692 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_107EXIT(lines 213 268) no Hoare annotation was computed. [2018-11-28 18:23:15,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:23:15 BoogieIcfgContainer [2018-11-28 18:23:15,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:23:15,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:23:15,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:23:15,707 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:23:15,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:23:13" (3/4) ... [2018-11-28 18:23:15,718 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:23:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2018-11-28 18:23:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_115 [2018-11-28 18:23:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:23:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_114 [2018-11-28 18:23:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_110 [2018-11-28 18:23:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:23:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-28 18:23:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 18:23:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_117 [2018-11-28 18:23:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_118 [2018-11-28 18:23:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2018-11-28 18:23:15,742 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-28 18:23:15,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-28 18:23:15,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-28 18:23:15,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:23:15,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:23:15,748 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:23:15,904 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:23:15,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:23:15,906 INFO L168 Benchmark]: Toolchain (without parser) took 4781.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.7 MB in the beginning and 940.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,907 INFO L168 Benchmark]: CDTParser took 0.43 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 18:23:15,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:23:15,908 INFO L168 Benchmark]: Boogie Preprocessor took 99.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,909 INFO L168 Benchmark]: RCFGBuilder took 1593.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,909 INFO L168 Benchmark]: TraceAbstraction took 2088.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 953.9 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,910 INFO L168 Benchmark]: Witness Printer took 197.55 ms. Allocated memory is still 1.1 GB. Free memory was 953.9 MB in the beginning and 940.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:23:15,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 751.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1593.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2088.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 953.9 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. * Witness Printer took 197.55 ms. Allocated memory is still 1.1 GB. Free memory was 953.9 MB in the beginning and 940.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 127 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 333 SDtfs, 5 SDslu, 315 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2886 SizeOfPredicates, 2 NumberOfNonLiveVariables, 514 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...