./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_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_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/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 1ca819190f643deb29414a088c4aa6e4cb582023 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:57:54,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:57:54,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:57:54,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:57:54,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:57:54,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:57:54,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:57:54,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:57:54,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:57:54,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:57:54,434 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:57:54,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:57:54,435 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:57:54,436 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:57:54,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:57:54,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:57:54,437 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:57:54,439 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:57:54,440 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:57:54,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:57:54,442 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:57:54,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:57:54,444 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:57:54,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:57:54,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:57:54,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:57:54,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:57:54,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:57:54,447 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:57:54,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:57:54,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:57:54,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:57:54,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:57:54,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:57:54,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:57:54,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:57:54,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:57:54,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:57:54,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:57:54,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:57:54,461 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:57:54,462 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:57:54,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:57:54,462 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:57:54,463 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:57:54,463 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:57:54,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:57:54,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:57:54,465 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_672203af-ea97-43d8-81a5-0546c797862f/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 -> 1ca819190f643deb29414a088c4aa6e4cb582023 [2018-12-08 09:57:54,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:57:54,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:57:54,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:57:54,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:57:54,500 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:57:54,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-12-08 09:57:54,537 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/data/681af4cab/35af15e168d242808e5e7846d50c3686/FLAG37eab7525 [2018-12-08 09:57:54,920 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:57:54,920 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-12-08 09:57:54,928 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/data/681af4cab/35af15e168d242808e5e7846d50c3686/FLAG37eab7525 [2018-12-08 09:57:55,276 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/data/681af4cab/35af15e168d242808e5e7846d50c3686 [2018-12-08 09:57:55,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:57:55,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:57:55,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:57:55,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:57:55,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:57:55,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ee820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55, skipping insertion in model container [2018-12-08 09:57:55,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:57:55,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:57:55,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:57:55,521 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:57:55,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:57:55,613 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:57:55,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55 WrapperNode [2018-12-08 09:57:55,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:57:55,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:57:55,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:57:55,614 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:57:55,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:57:55,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:57:55,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:57:55,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:57:55,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... [2018-12-08 09:57:55,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:57:55,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:57:55,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:57:55,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:57:55,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/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 09:57:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:57:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:57:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 09:57:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 09:57:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:57:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:57:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:57:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:57:56,218 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:57:56,218 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 09:57:56,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:57:56 BoogieIcfgContainer [2018-12-08 09:57:56,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:57:56,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:57:56,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:57:56,222 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:57:56,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:57:55" (1/3) ... [2018-12-08 09:57:56,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faa28cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:57:56, skipping insertion in model container [2018-12-08 09:57:56,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:57:55" (2/3) ... [2018-12-08 09:57:56,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faa28cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:57:56, skipping insertion in model container [2018-12-08 09:57:56,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:57:56" (3/3) ... [2018-12-08 09:57:56,225 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-12-08 09:57:56,233 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:57:56,240 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:57:56,250 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:57:56,273 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:57:56,274 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:57:56,274 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:57:56,274 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:57:56,274 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:57:56,274 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:57:56,274 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:57:56,274 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:57:56,274 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:57:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-08 09:57:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 09:57:56,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:57:56,300 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] [2018-12-08 09:57:56,301 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:57:56,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:57:56,305 INFO L82 PathProgramCache]: Analyzing trace with hash -897711290, now seen corresponding path program 1 times [2018-12-08 09:57:56,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:57:56,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:57:56,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:56,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:56,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:56,590 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 09:57:56,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:57:56,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:57:56,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:57:56,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:57:56,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:57:56,606 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-08 09:57:57,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:57:57,019 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-08 09:57:57,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:57:57,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-12-08 09:57:57,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:57:57,028 INFO L225 Difference]: With dead ends: 547 [2018-12-08 09:57:57,028 INFO L226 Difference]: Without dead ends: 278 [2018-12-08 09:57:57,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 09:57:57,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-08 09:57:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-08 09:57:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-08 09:57:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-08 09:57:57,069 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 110 [2018-12-08 09:57:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:57:57,070 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-08 09:57:57,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:57:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-08 09:57:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 09:57:57,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:57:57,073 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 09:57:57,073 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:57:57,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:57:57,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1715018595, now seen corresponding path program 1 times [2018-12-08 09:57:57,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:57:57,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:57:57,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:57,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:57,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:57:57,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:57:57,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:57:57,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:57:57,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:57:57,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:57:57,164 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-08 09:57:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:57:57,550 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-08 09:57:57,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:57:57,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-12-08 09:57:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:57:57,553 INFO L225 Difference]: With dead ends: 840 [2018-12-08 09:57:57,553 INFO L226 Difference]: Without dead ends: 568 [2018-12-08 09:57:57,554 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 09:57:57,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-08 09:57:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-08 09:57:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-08 09:57:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2018-12-08 09:57:57,574 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 120 [2018-12-08 09:57:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:57:57,574 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2018-12-08 09:57:57,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:57:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2018-12-08 09:57:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 09:57:57,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:57:57,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:57,578 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:57:57,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:57:57,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1875176562, now seen corresponding path program 1 times [2018-12-08 09:57:57,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:57:57,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:57:57,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:57,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:57,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:57:57,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:57:57,635 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/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 09:57:57,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:57,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:57:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 09:57:57,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 09:57:57,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-12-08 09:57:57,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:57:57,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:57:57,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:57:57,748 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 7 states. [2018-12-08 09:57:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:57:58,620 INFO L93 Difference]: Finished difference Result 1964 states and 2913 transitions. [2018-12-08 09:57:58,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 09:57:58,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2018-12-08 09:57:58,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:57:58,627 INFO L225 Difference]: With dead ends: 1964 [2018-12-08 09:57:58,627 INFO L226 Difference]: Without dead ends: 1414 [2018-12-08 09:57:58,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-12-08 09:57:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2018-12-08 09:57:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1120. [2018-12-08 09:57:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-12-08 09:57:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1499 transitions. [2018-12-08 09:57:58,670 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1499 transitions. Word has length 144 [2018-12-08 09:57:58,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:57:58,670 INFO L480 AbstractCegarLoop]: Abstraction has 1120 states and 1499 transitions. [2018-12-08 09:57:58,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:57:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1499 transitions. [2018-12-08 09:57:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 09:57:58,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:57:58,676 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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] [2018-12-08 09:57:58,676 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:57:58,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:57:58,676 INFO L82 PathProgramCache]: Analyzing trace with hash 625293810, now seen corresponding path program 1 times [2018-12-08 09:57:58,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:57:58,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:57:58,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:58,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:58,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:57:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 09:57:58,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:57:58,804 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/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 09:57:58,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:57:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:57:58,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:57:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 09:57:58,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 09:57:58,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-12-08 09:57:58,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:57:58,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:57:58,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:57:58,906 INFO L87 Difference]: Start difference. First operand 1120 states and 1499 transitions. Second operand 5 states. [2018-12-08 09:57:59,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:57:59,513 INFO L93 Difference]: Finished difference Result 4351 states and 6087 transitions. [2018-12-08 09:57:59,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 09:57:59,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-12-08 09:57:59,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:57:59,514 INFO L225 Difference]: With dead ends: 4351 [2018-12-08 09:57:59,514 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 09:57:59,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:57:59,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 09:57:59,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 09:57:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 09:57:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 09:57:59,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 197 [2018-12-08 09:57:59,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:57:59,519 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:57:59,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:57:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:57:59,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 09:57:59,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 09:57:59,767 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2018-12-08 09:57:59,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,846 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-08 09:57:59,847 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,848 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-08 09:57:59,849 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,850 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-08 09:57:59,851 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-08 09:57:59,852 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,853 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-08 09:57:59,854 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,855 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-08 09:57:59,856 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,857 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,858 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-08 09:57:59,859 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= 6 |old(~a16~0)|)) (.cse3 (< 0 |old(~a7~0)|)) (.cse2 (<= ~a7~0 0)) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse9 (<= ~a17~0 0)) (.cse10 (< 0 |old(~a17~0)|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 13 |old(~a8~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse6 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse7)) (or .cse0 (and .cse5 .cse6 .cse7 .cse2) .cse8 .cse3) (or .cse9 .cse4 .cse0 .cse10) (or (or .cse4 .cse0) .cse3 .cse2) (or (and .cse5 .cse9 .cse6 .cse7) .cse8 .cse10) (or .cse0 .cse9 .cse1 .cse10) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 (not (= ~a8~0 13)))))) [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,860 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-08 09:57:59,861 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-08 09:57:59,862 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,863 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-08 09:57:59,864 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:57:59,865 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13))) [2018-12-08 09:57:59,865 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:57:59,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:57:59,865 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (and (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 0) (not (= ~a8~0 13)))) [2018-12-08 09:57:59,865 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-08 09:57:59,865 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (< 0 |old(~a7~0)|) (and .cse1 (<= ~a17~0 0)) (and .cse1 .cse0 (<= ~a7~0 0)))) [2018-12-08 09:57:59,865 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-08 09:57:59,865 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-08 09:57:59,865 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (< 0 |old(~a7~0)|) (and .cse1 (<= ~a17~0 0)) (and .cse1 .cse0 (<= ~a7~0 0)))) [2018-12-08 09:57:59,866 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-08 09:57:59,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:57:59 BoogieIcfgContainer [2018-12-08 09:57:59,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:57:59,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:57:59,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:57:59,878 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:57:59,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:57:56" (3/4) ... [2018-12-08 09:57:59,881 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 09:57:59,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 09:57:59,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 09:57:59,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 09:57:59,896 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 09:57:59,897 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 09:57:59,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((6 == \old(a16) || !(1 == \old(a21))) || !(1 == \old(a20))) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || !(a16 == 6)) || 0 < \old(a7)) || (1 == a20 && a17 <= 0)) || ((1 == a20 && 1 == a21) && a7 <= 0) [2018-12-08 09:57:59,995 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_672203af-ea97-43d8-81a5-0546c797862f/bin-2019/uautomizer/witness.graphml [2018-12-08 09:57:59,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:57:59,996 INFO L168 Benchmark]: Toolchain (without parser) took 4718.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 950.6 MB in the beginning and 833.5 MB in the end (delta: 117.1 MB). Peak memory consumption was 433.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:57:59,997 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:57:59,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:57:59,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:57:59,998 INFO L168 Benchmark]: Boogie Preprocessor took 37.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:57:59,998 INFO L168 Benchmark]: RCFGBuilder took 547.95 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: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2018-12-08 09:57:59,998 INFO L168 Benchmark]: TraceAbstraction took 3658.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 852.6 MB in the end (delta: 152.2 MB). Peak memory consumption was 340.9 MB. Max. memory is 11.5 GB. [2018-12-08 09:57:59,999 INFO L168 Benchmark]: Witness Printer took 117.49 ms. Allocated memory is still 1.3 GB. Free memory was 852.6 MB in the beginning and 833.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:58:00,000 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 547.95 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: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3658.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 852.6 MB in the end (delta: 152.2 MB). Peak memory consumption was 340.9 MB. Max. memory is 11.5 GB. * Witness Printer took 117.49 ms. Allocated memory is still 1.3 GB. Free memory was 852.6 MB in the beginning and 833.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: 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 == \old(a20))) || (1 == a21 && !(a8 == 13))) || 13 == \old(a8)) || !(a16 == 6)) || 0 < \old(a7)) || (1 == a20 && a17 <= 0)) || ((1 == a20 && 1 == a21) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 1624 SDslu, 178 SDs, 0 SdLazy, 2835 SolverSat, 647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 306 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 120 NumberOfFragments, 307 HoareAnnotationTreeSize, 54 FomulaSimplifications, 3152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 811 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 341538 SizeOfPredicates, 4 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 207/277 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...