./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/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 f01979d5da4d022026be8efd02bfc41090b6cbce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:54:07,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:54:07,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:54:07,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:54:07,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:54:07,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:54:07,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:54:07,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:54:07,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:54:07,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:54:07,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:54:07,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:54:07,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:54:07,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:54:07,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:54:07,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:54:07,189 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:54:07,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:54:07,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:54:07,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:54:07,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:54:07,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:54:07,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:54:07,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:54:07,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:54:07,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:54:07,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:54:07,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:54:07,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:54:07,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:54:07,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:54:07,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:54:07,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:54:07,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:54:07,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:54:07,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:54:07,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:54:07,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:54:07,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:54:07,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:54:07,214 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:54:07,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:54:07,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:54:07,215 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:54:07,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:54:07,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:54:07,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:54:07,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:54:07,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:54:07,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:54:07,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:54:07,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:54:07,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:54:07,218 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:54:07,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:54:07,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:54:07,219 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_adb763bd-957b-4f76-8c8d-8132629885c3/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2018-11-23 15:54:07,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:54:07,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:54:07,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:54:07,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:54:07,255 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:54:07,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 15:54:07,300 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/data/b887f344e/7f32309077324b58bfc38994185f9f97/FLAG58c57d797 [2018-11-23 15:54:07,757 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:54:07,757 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 15:54:07,766 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/data/b887f344e/7f32309077324b58bfc38994185f9f97/FLAG58c57d797 [2018-11-23 15:54:08,274 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/data/b887f344e/7f32309077324b58bfc38994185f9f97 [2018-11-23 15:54:08,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:54:08,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:54:08,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:54:08,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:54:08,281 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:54:08,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08, skipping insertion in model container [2018-11-23 15:54:08,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:54:08,327 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:54:08,556 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:54:08,559 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:54:08,628 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:54:08,641 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:54:08,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08 WrapperNode [2018-11-23 15:54:08,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:54:08,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:54:08,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:54:08,642 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:54:08,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:54:08,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:54:08,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:54:08,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:54:08,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... [2018-11-23 15:54:08,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:54:08,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:54:08,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:54:08,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:54:08,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:54:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:54:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:54:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:54:09,597 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:54:09,598 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:54:09,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:09 BoogieIcfgContainer [2018-11-23 15:54:09,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:54:09,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:54:09,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:54:09,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:54:09,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:08" (1/3) ... [2018-11-23 15:54:09,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a34da5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:09, skipping insertion in model container [2018-11-23 15:54:09,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:08" (2/3) ... [2018-11-23 15:54:09,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a34da5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:09, skipping insertion in model container [2018-11-23 15:54:09,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:09" (3/3) ... [2018-11-23 15:54:09,605 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 15:54:09,611 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:54:09,617 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:54:09,626 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:54:09,648 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:54:09,649 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:54:09,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:54:09,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:54:09,649 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:54:09,649 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:54:09,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:54:09,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:54:09,650 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:54:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 15:54:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:54:09,673 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:54:09,674 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] [2018-11-23 15:54:09,676 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:54:09,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:54:09,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2018-11-23 15:54:09,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:54:09,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:54:09,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:09,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:09,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:54:09,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:54:09,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:54:09,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:54:09,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:54:09,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:54:09,980 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 15:54:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:54:10,517 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 15:54:10,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:54:10,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-23 15:54:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:54:10,530 INFO L225 Difference]: With dead ends: 547 [2018-11-23 15:54:10,530 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 15:54:10,534 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 [2018-11-23 15:54:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 15:54:10,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 15:54:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 15:54:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 15:54:10,583 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 111 [2018-11-23 15:54:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:54:10,584 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 15:54:10,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:54:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 15:54:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 15:54:10,589 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:54:10,589 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 15:54:10,589 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:54:10,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:54:10,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1121004690, now seen corresponding path program 1 times [2018-11-23 15:54:10,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:54:10,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:54:10,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:10,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:10,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:54:10,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:54:10,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:54:10,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:54:10,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:54:10,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:54:10,669 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 15:54:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:54:11,331 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 15:54:11,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:54:11,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-11-23 15:54:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:54:11,338 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 15:54:11,338 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 15:54:11,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:54:11,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 15:54:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 15:54:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 15:54:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 15:54:11,366 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 120 [2018-11-23 15:54:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:54:11,366 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 15:54:11,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:54:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 15:54:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 15:54:11,371 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:54:11,371 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-23 15:54:11,371 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:54:11,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:54:11,371 INFO L82 PathProgramCache]: Analyzing trace with hash 476978283, now seen corresponding path program 1 times [2018-11-23 15:54:11,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:54:11,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:54:11,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:11,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:11,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:54:11,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:54:11,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/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 [2018-11-23 15:54:11,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:11,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:54:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:54:11,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:54:11,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-23 15:54:11,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:54:11,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:54:11,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:54:11,592 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 7 states. [2018-11-23 15:54:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:54:12,459 INFO L93 Difference]: Finished difference Result 2444 states and 4074 transitions. [2018-11-23 15:54:12,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:54:12,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2018-11-23 15:54:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:54:12,468 INFO L225 Difference]: With dead ends: 2444 [2018-11-23 15:54:12,469 INFO L226 Difference]: Without dead ends: 1721 [2018-11-23 15:54:12,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:54:12,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2018-11-23 15:54:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1684. [2018-11-23 15:54:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2018-11-23 15:54:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2614 transitions. [2018-11-23 15:54:12,519 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2614 transitions. Word has length 131 [2018-11-23 15:54:12,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:54:12,520 INFO L480 AbstractCegarLoop]: Abstraction has 1684 states and 2614 transitions. [2018-11-23 15:54:12,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:54:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2614 transitions. [2018-11-23 15:54:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 15:54:12,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:54:12,524 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:54:12,524 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:54:12,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:54:12,524 INFO L82 PathProgramCache]: Analyzing trace with hash -530260225, now seen corresponding path program 1 times [2018-11-23 15:54:12,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:54:12,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:54:12,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:12,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:12,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:54:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:54:12,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:54:12,598 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/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 [2018-11-23 15:54:12,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:54:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:54:12,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:54:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:54:12,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:54:12,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 15:54:12,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:54:12,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:54:12,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:54:12,752 INFO L87 Difference]: Start difference. First operand 1684 states and 2614 transitions. Second operand 9 states. [2018-11-23 15:54:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:54:14,989 INFO L93 Difference]: Finished difference Result 4271 states and 6797 transitions. [2018-11-23 15:54:14,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 15:54:14,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2018-11-23 15:54:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:54:14,990 INFO L225 Difference]: With dead ends: 4271 [2018-11-23 15:54:14,990 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:54:14,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2018-11-23 15:54:14,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:54:14,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:54:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:54:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:54:15,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-11-23 15:54:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:54:15,000 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:54:15,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:54:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:54:15,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:54:15,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:54:15,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:54:15,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:54:15,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:54:15,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:54:15,289 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:54:15,410 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,410 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 15:54:15,411 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 15:54:15,412 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 15:54:15,413 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,414 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,415 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,416 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 15:54:15,417 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,418 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,419 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 15:54:15,420 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (< 13 |old(~a8~0)|)) (.cse8 (= 1 ~a7~0)) (.cse5 (= |old(~a8~0)| ~a8~0)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse7 (< 0 |old(~a7~0)|)) (.cse2 (not (= ~a16~0 6)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (= ~a7~0 |old(~a7~0)|) .cse5 .cse6) .cse7) (or .cse0 .cse4 (and .cse8 .cse5 .cse2 .cse6) .cse3) (or .cse1 (and .cse8 .cse5 .cse6) .cse3) (or .cse0 .cse4 .cse7 .cse2))) [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,421 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 15:54:15,422 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 15:54:15,423 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:54:15,424 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:54:15,425 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13))) [2018-11-23 15:54:15,425 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:54:15,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:54:15,426 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a21~0 |old(~a21~0)|)) (< 0 |old(~a7~0)|)) [2018-11-23 15:54:15,426 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 15:54:15,426 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse1 (= 1 ~a7~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= ~a7~0 0)) (= 13 |old(~a8~0)|) (and .cse1 (not (= ~a16~0 6)) .cse0) (and (<= ~a8~0 13) .cse1) (< 0 |old(~a7~0)|))) [2018-11-23 15:54:15,426 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 15:54:15,426 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 15:54:15,426 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse1 (= 1 ~a7~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= ~a7~0 0)) (= 13 |old(~a8~0)|) (and .cse1 (not (= ~a16~0 6)) .cse0) (and (<= ~a8~0 13) .cse1) (< 0 |old(~a7~0)|))) [2018-11-23 15:54:15,426 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 15:54:15,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:54:15 BoogieIcfgContainer [2018-11-23 15:54:15,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:54:15,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:54:15,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:54:15,440 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:54:15,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:09" (3/4) ... [2018-11-23 15:54:15,443 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:54:15,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:54:15,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:54:15,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:54:15,459 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:54:15,459 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:54:15,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((6 == \old(a16) || !(1 == \old(a21))) || (1 == a21 && a7 <= 0)) || 13 == \old(a8)) || ((1 == a7 && !(a16 == 6)) && 1 == a21)) || (a8 <= 13 && 1 == a7)) || 0 < \old(a7) [2018-11-23 15:54:15,548 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_adb763bd-957b-4f76-8c8d-8132629885c3/bin-2019/uautomizer/witness.graphml [2018-11-23 15:54:15,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:54:15,549 INFO L168 Benchmark]: Toolchain (without parser) took 7272.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 957.5 MB in the beginning and 911.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,550 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:54:15,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 919.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 919.9 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,551 INFO L168 Benchmark]: Boogie Preprocessor took 52.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,551 INFO L168 Benchmark]: RCFGBuilder took 825.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,551 INFO L168 Benchmark]: TraceAbstraction took 5840.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 936.6 MB in the end (delta: 80.8 MB). Peak memory consumption was 268.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,552 INFO L168 Benchmark]: Witness Printer took 109.22 ms. Allocated memory is still 1.3 GB. Free memory was 936.6 MB in the beginning and 911.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:54:15,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 919.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 919.9 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 825.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5840.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 936.6 MB in the end (delta: 80.8 MB). Peak memory consumption was 268.0 MB. Max. memory is 11.5 GB. * Witness Printer took 109.22 ms. Allocated memory is still 1.3 GB. Free memory was 936.6 MB in the beginning and 911.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: 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: (((((6 == \old(a16) || !(1 == \old(a21))) || (1 == a21 && a7 <= 0)) || 13 == \old(a8)) || ((1 == a7 && !(a16 == 6)) && 1 == a21)) || (a8 <= 13 && 1 == a7)) || 0 < \old(a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 3998 SDslu, 649 SDs, 0 SdLazy, 5974 SolverSat, 1236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 301 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 143 NumberOfFragments, 232 HoareAnnotationTreeSize, 63 FomulaSimplifications, 2182 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1235 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 775 NumberOfCodeBlocks, 775 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 189370 SizeOfPredicates, 3 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 116/122 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...