./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:08:51,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:08:51,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:08:51,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:08:51,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:08:51,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:08:51,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:08:51,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:08:51,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:08:51,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:08:51,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:08:51,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:08:51,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:08:51,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:08:51,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:08:51,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:08:51,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:08:51,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:08:51,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:08:51,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:08:51,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:08:51,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:08:51,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:08:51,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:08:51,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:08:51,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:08:51,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:08:51,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:08:51,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:08:51,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:08:51,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:08:51,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:08:51,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:08:51,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:08:51,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:08:51,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:08:51,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 17:08:51,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:08:51,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:08:51,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:08:51,255 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:08:51,255 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:08:51,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:08:51,255 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:08:51,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:08:51,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:08:51,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:08:51,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:08:51,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:08:51,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2018-12-08 17:08:51,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:08:51,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:08:51,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:08:51,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:08:51,284 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:08:51,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-12-08 17:08:51,317 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/data/2cee50fc1/9bc8fc439fa94d99a10d2a26586e62d4/FLAGa2c7753ef [2018-12-08 17:08:51,744 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:08:51,744 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-12-08 17:08:51,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/data/2cee50fc1/9bc8fc439fa94d99a10d2a26586e62d4/FLAGa2c7753ef [2018-12-08 17:08:51,759 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/data/2cee50fc1/9bc8fc439fa94d99a10d2a26586e62d4 [2018-12-08 17:08:51,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:08:51,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:08:51,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:08:51,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:08:51,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:08:51,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:08:51" (1/1) ... [2018-12-08 17:08:51,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:51, skipping insertion in model container [2018-12-08 17:08:51,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:08:51" (1/1) ... [2018-12-08 17:08:51,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:08:51,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:08:51,973 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:08:51,976 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:08:52,058 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:08:52,067 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:08:52,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52 WrapperNode [2018-12-08 17:08:52,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:08:52,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:08:52,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:08:52,068 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:08:52,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:08:52,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:08:52,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:08:52,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:08:52,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... [2018-12-08 17:08:52,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:08:52,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:08:52,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:08:52,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:08:52,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:08:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:08:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:08:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:08:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:08:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:08:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:08:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:08:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:08:52,693 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:08:52,693 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:08:52,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:08:52 BoogieIcfgContainer [2018-12-08 17:08:52,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:08:52,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:08:52,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:08:52,696 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:08:52,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:08:51" (1/3) ... [2018-12-08 17:08:52,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3442cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:08:52, skipping insertion in model container [2018-12-08 17:08:52,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:08:52" (2/3) ... [2018-12-08 17:08:52,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3442cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:08:52, skipping insertion in model container [2018-12-08 17:08:52,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:08:52" (3/3) ... [2018-12-08 17:08:52,698 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label54_true-unreach-call_false-termination.c [2018-12-08 17:08:52,704 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:08:52,710 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:08:52,719 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:08:52,738 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:08:52,739 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:08:52,739 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:08:52,739 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:08:52,739 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:08:52,739 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:08:52,739 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:08:52,739 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:08:52,740 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:08:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-08 17:08:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 17:08:52,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:08:52,760 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:08:52,762 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:08:52,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:08:52,765 INFO L82 PathProgramCache]: Analyzing trace with hash -622531154, now seen corresponding path program 1 times [2018-12-08 17:08:52,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:08:52,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:08:52,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:52,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:52,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:08:53,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:08:53,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:08:53,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:08:53,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:08:53,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:08:53,054 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-08 17:08:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:08:53,489 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-08 17:08:53,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:08:53,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-12-08 17:08:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:08:53,499 INFO L225 Difference]: With dead ends: 547 [2018-12-08 17:08:53,500 INFO L226 Difference]: Without dead ends: 278 [2018-12-08 17:08:53,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:08:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-08 17:08:53,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-08 17:08:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-08 17:08:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2018-12-08 17:08:53,539 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 128 [2018-12-08 17:08:53,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:08:53,539 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2018-12-08 17:08:53,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:08:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2018-12-08 17:08:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 17:08:53,541 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:08:53,541 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1] [2018-12-08 17:08:53,542 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:08:53,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:08:53,542 INFO L82 PathProgramCache]: Analyzing trace with hash -46694981, now seen corresponding path program 1 times [2018-12-08 17:08:53,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:08:53,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:08:53,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:53,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:53,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:08:53,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:08:53,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:08:53,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:08:53,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:08:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:08:53,650 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand 3 states. [2018-12-08 17:08:53,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:08:53,937 INFO L93 Difference]: Finished difference Result 820 states and 1235 transitions. [2018-12-08 17:08:53,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:08:53,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-12-08 17:08:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:08:53,939 INFO L225 Difference]: With dead ends: 820 [2018-12-08 17:08:53,940 INFO L226 Difference]: Without dead ends: 548 [2018-12-08 17:08:53,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:08:53,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-12-08 17:08:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 413. [2018-12-08 17:08:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-08 17:08:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 593 transitions. [2018-12-08 17:08:53,954 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 593 transitions. Word has length 145 [2018-12-08 17:08:53,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:08:53,954 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 593 transitions. [2018-12-08 17:08:53,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:08:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 593 transitions. [2018-12-08 17:08:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 17:08:53,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:08:53,956 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:08:53,957 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:08:53,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:08:53,957 INFO L82 PathProgramCache]: Analyzing trace with hash 345749953, now seen corresponding path program 1 times [2018-12-08 17:08:53,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:08:53,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:08:53,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:53,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:53,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:08:54,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:08:54,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:08:54,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:08:54,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:08:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:08:54,040 INFO L87 Difference]: Start difference. First operand 413 states and 593 transitions. Second operand 6 states. [2018-12-08 17:08:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:08:54,424 INFO L93 Difference]: Finished difference Result 1116 states and 1634 transitions. [2018-12-08 17:08:54,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:08:54,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-12-08 17:08:54,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:08:54,428 INFO L225 Difference]: With dead ends: 1116 [2018-12-08 17:08:54,428 INFO L226 Difference]: Without dead ends: 709 [2018-12-08 17:08:54,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:08:54,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-08 17:08:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 697. [2018-12-08 17:08:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-08 17:08:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 952 transitions. [2018-12-08 17:08:54,451 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 952 transitions. Word has length 172 [2018-12-08 17:08:54,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:08:54,451 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 952 transitions. [2018-12-08 17:08:54,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:08:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 952 transitions. [2018-12-08 17:08:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 17:08:54,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:08:54,455 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:08:54,455 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:08:54,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:08:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1092170536, now seen corresponding path program 1 times [2018-12-08 17:08:54,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:08:54,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:08:54,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:54,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:54,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:08:54,535 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:08:54,535 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:08:54,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:54,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:08:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 17:08:54,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:08:54,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-12-08 17:08:54,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:08:54,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:08:54,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:08:54,675 INFO L87 Difference]: Start difference. First operand 697 states and 952 transitions. Second operand 9 states. [2018-12-08 17:08:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:08:55,229 INFO L93 Difference]: Finished difference Result 1859 states and 2728 transitions. [2018-12-08 17:08:55,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:08:55,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2018-12-08 17:08:55,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:08:55,235 INFO L225 Difference]: With dead ends: 1859 [2018-12-08 17:08:55,235 INFO L226 Difference]: Without dead ends: 1168 [2018-12-08 17:08:55,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-12-08 17:08:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-12-08 17:08:55,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 977. [2018-12-08 17:08:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2018-12-08 17:08:55,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1312 transitions. [2018-12-08 17:08:55,275 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1312 transitions. Word has length 182 [2018-12-08 17:08:55,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:08:55,275 INFO L480 AbstractCegarLoop]: Abstraction has 977 states and 1312 transitions. [2018-12-08 17:08:55,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:08:55,275 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1312 transitions. [2018-12-08 17:08:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 17:08:55,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:08:55,278 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:08:55,279 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:08:55,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:08:55,279 INFO L82 PathProgramCache]: Analyzing trace with hash 447717146, now seen corresponding path program 1 times [2018-12-08 17:08:55,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:08:55,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:08:55,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:55,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:55,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:08:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:08:55,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:08:55,372 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:08:55,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:08:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:55,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:08:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:08:55,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:08:55,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-12-08 17:08:55,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:08:55,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:08:55,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:08:55,475 INFO L87 Difference]: Start difference. First operand 977 states and 1312 transitions. Second operand 7 states. [2018-12-08 17:08:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:08:56,316 INFO L93 Difference]: Finished difference Result 2947 states and 4168 transitions. [2018-12-08 17:08:56,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 17:08:56,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2018-12-08 17:08:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:08:56,317 INFO L225 Difference]: With dead ends: 2947 [2018-12-08 17:08:56,317 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:08:56,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-12-08 17:08:56,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:08:56,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:08:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:08:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:08:56,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-12-08 17:08:56,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:08:56,321 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:08:56,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:08:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:08:56,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:08:56,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:08:56,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:08:56,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a7~0)| ~a7~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,552 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-08 17:08:56,553 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-08 17:08:56,554 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-08 17:08:56,555 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-08 17:08:56,556 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,557 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,558 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-08 17:08:56,559 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,560 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-08 17:08:56,561 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= |old(~a7~0)| ~a7~0)) (.cse3 (= |old(~a16~0)| ~a16~0)) (.cse4 (= ~a21~0 |old(~a21~0)|))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse5 (= 14 |old(~a8~0)|)) (.cse6 (and .cse2 .cse3 (not (= ~a8~0 14)) .cse4))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (< 4 |old(~a16~0)|)) (or .cse0 .cse1 .cse5 .cse6) (or (< 5 |old(~a16~0)|) .cse5 .cse6) (or (and .cse2 .cse3 (not (= ~a17~0 1)) .cse4) (= 1 |old(~a17~0)|))))) [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-08 17:08:56,562 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-08 17:08:56,563 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,564 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-08 17:08:56,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:08:56,566 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= ~a16~0 5) (= 1 ~a21~0) (not (= ~a8~0 14))) [2018-12-08 17:08:56,566 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:08:56,566 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:08:56,566 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (< 5 |old(~a16~0)|) (= 14 |old(~a8~0)|) (and (= |old(~a7~0)| ~a7~0) (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 14)) (= ~a21~0 |old(~a21~0)|))) [2018-12-08 17:08:56,566 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-08 17:08:56,566 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a7~0 1))) (.cse2 (= 1 ~a21~0))) (or (and (<= ~a16~0 5) .cse0) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (< 5 |old(~a16~0)|) (= 14 |old(~a8~0)|) (and .cse1 .cse2 .cse0) (and .cse1 .cse2 (<= ~a16~0 4)) (not (= ~a17~0 1)))) [2018-12-08 17:08:56,566 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-08 17:08:56,566 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-08 17:08:56,566 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a7~0 1))) (.cse2 (= 1 ~a21~0))) (or (and (<= ~a16~0 5) .cse0) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (< 5 |old(~a16~0)|) (= 14 |old(~a8~0)|) (and .cse1 .cse2 .cse0) (and .cse1 .cse2 (<= ~a16~0 4)) (not (= ~a17~0 1)))) [2018-12-08 17:08:56,566 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-08 17:08:56,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:08:56 BoogieIcfgContainer [2018-12-08 17:08:56,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:08:56,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:08:56,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:08:56,580 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:08:56,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:08:52" (3/4) ... [2018-12-08 17:08:56,583 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:08:56,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:08:56,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:08:56,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:08:56,597 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:08:56,597 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:08:56,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((a16 <= 5 && !(a8 == 14)) || !(1 == \old(a21))) || 1 == \old(a7)) || 5 < \old(a16)) || 14 == \old(a8)) || ((!(a7 == 1) && 1 == a21) && !(a8 == 14))) || ((!(a7 == 1) && 1 == a21) && a16 <= 4)) || !(a17 == 1) [2018-12-08 17:08:56,664 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0cdc1ad-7b8e-4a97-a06a-03ea6036ca62/bin-2019/uautomizer/witness.graphml [2018-12-08 17:08:56,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:08:56,665 INFO L168 Benchmark]: Toolchain (without parser) took 4903.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 946.3 MB in the beginning and 1.0 GB in the end (delta: -84.2 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,666 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:08:56,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,666 INFO L168 Benchmark]: Boogie Preprocessor took 39.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,667 INFO L168 Benchmark]: RCFGBuilder took 567.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.1 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,667 INFO L168 Benchmark]: TraceAbstraction took 3885.08 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 995.1 MB in the beginning and 1.1 GB in the end (delta: -57.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,667 INFO L168 Benchmark]: Witness Printer took 84.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:08:56,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 567.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.1 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3885.08 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 995.1 MB in the beginning and 1.1 GB in the end (delta: -57.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * Witness Printer took 84.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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: 583]: Loop Invariant Derived loop invariant: (((((((a16 <= 5 && !(a8 == 14)) || !(1 == \old(a21))) || 1 == \old(a7)) || 5 < \old(a16)) || 14 == \old(a8)) || ((!(a7 == 1) && 1 == a21) && !(a8 == 14))) || ((!(a7 == 1) && 1 == a21) && a16 <= 4)) || !(a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 2292 SDslu, 203 SDs, 0 SdLazy, 3265 SolverSat, 818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 382 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=4, 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, 5 MinimizatonAttempts, 338 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 90 NumberOfFragments, 243 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3379 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 542 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1175 NumberOfCodeBlocks, 1175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1168 ConstructedInterpolants, 0 QuantifiedInterpolants, 448061 SizeOfPredicates, 3 NumberOfNonLiveVariables, 947 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 283/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...