./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:55:11,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:55:11,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:55:11,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:55:11,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:55:11,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:55:11,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:55:11,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:55:11,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:55:11,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:55:11,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:55:11,401 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:55:11,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:55:11,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:55:11,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:55:11,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:55:11,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:55:11,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:55:11,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:55:11,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:55:11,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:55:11,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:55:11,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:55:11,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:55:11,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:55:11,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:55:11,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:55:11,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:55:11,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:55:11,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:55:11,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:55:11,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:55:11,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:55:11,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:55:11,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:55:11,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:55:11,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 16:55:11,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:55:11,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:55:11,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:55:11,426 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:55:11,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:55:11,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:55:11,427 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:55:11,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:55:11,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:55:11,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:55:11,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:55:11,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:55:11,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:55:11,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:55:11,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:55:11,430 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:55:11,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:55:11,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:55:11,431 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_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-11-18 16:55:11,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:55:11,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:55:11,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:55:11,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:55:11,464 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:55:11,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-18 16:55:11,501 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/data/96f3cb879/1e5d64ae53a34bd0bc70656e5b4db4dc/FLAG9141212a3 [2018-11-18 16:55:11,961 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:55:11,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-18 16:55:11,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/data/96f3cb879/1e5d64ae53a34bd0bc70656e5b4db4dc/FLAG9141212a3 [2018-11-18 16:55:12,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/data/96f3cb879/1e5d64ae53a34bd0bc70656e5b4db4dc [2018-11-18 16:55:12,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:55:12,487 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:55:12,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:55:12,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:55:12,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:55:12,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381c80f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12, skipping insertion in model container [2018-11-18 16:55:12,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:55:12,538 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:55:12,786 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:55:12,789 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:55:12,853 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:55:12,863 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:55:12,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12 WrapperNode [2018-11-18 16:55:12,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:55:12,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:55:12,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:55:12,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:55:12,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... [2018-11-18 16:55:12,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:55:12,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:55:12,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:55:12,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:55:12,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/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 [2018-11-18 16:55:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:55:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:55:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:55:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:55:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:55:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:55:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:55:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:55:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:55:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:55:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:55:13,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:55:13,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:13 BoogieIcfgContainer [2018-11-18 16:55:13,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:55:13,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:55:13,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:55:13,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:55:13,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:55:12" (1/3) ... [2018-11-18 16:55:13,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d688013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:55:13, skipping insertion in model container [2018-11-18 16:55:13,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:12" (2/3) ... [2018-11-18 16:55:13,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d688013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:55:13, skipping insertion in model container [2018-11-18 16:55:13,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:13" (3/3) ... [2018-11-18 16:55:13,909 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-11-18 16:55:13,915 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:55:13,921 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:55:13,931 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:55:13,952 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:55:13,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:55:13,953 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:55:13,953 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:55:13,953 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:55:13,953 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:55:13,953 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:55:13,953 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:55:13,953 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:55:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 16:55:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 16:55:13,977 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:13,977 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:13,979 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:13,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:13,983 INFO L82 PathProgramCache]: Analyzing trace with hash 240629952, now seen corresponding path program 1 times [2018-11-18 16:55:13,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:55:13,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:55:14,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:14,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:14,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:14,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:55:14,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:55:14,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:55:14,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:55:14,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:55:14,299 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 16:55:14,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:14,853 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 16:55:14,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:55:14,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-18 16:55:14,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:14,863 INFO L225 Difference]: With dead ends: 550 [2018-11-18 16:55:14,863 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 16:55:14,867 INFO L604 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 [2018-11-18 16:55:14,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 16:55:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 16:55:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 16:55:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-18 16:55:14,910 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 118 [2018-11-18 16:55:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:14,911 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-18 16:55:14,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:55:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-18 16:55:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:55:14,913 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:14,914 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:14,914 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:14,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:14,914 INFO L82 PathProgramCache]: Analyzing trace with hash -617422281, now seen corresponding path program 1 times [2018-11-18 16:55:14,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:55:14,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:55:14,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:14,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:14,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:14,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:55:14,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:55:14,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:55:14,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:55:14,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:55:14,988 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-18 16:55:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:15,551 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-18 16:55:15,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:55:15,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-11-18 16:55:15,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:15,556 INFO L225 Difference]: With dead ends: 1079 [2018-11-18 16:55:15,556 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 16:55:15,558 INFO L604 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 [2018-11-18 16:55:15,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 16:55:15,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-18 16:55:15,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-18 16:55:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-18 16:55:15,584 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 128 [2018-11-18 16:55:15,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:15,584 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-18 16:55:15,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:55:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-18 16:55:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:55:15,586 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:15,587 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:15,587 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:15,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:15,587 INFO L82 PathProgramCache]: Analyzing trace with hash 11496099, now seen corresponding path program 1 times [2018-11-18 16:55:15,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:55:15,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:55:15,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:15,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:15,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:15,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:55:15,732 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/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 [2018-11-18 16:55:15,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:15,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:55:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:15,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:55:15,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-18 16:55:15,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:55:15,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:55:15,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:55:15,860 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 8 states. [2018-11-18 16:55:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:17,620 INFO L93 Difference]: Finished difference Result 3855 states and 6889 transitions. [2018-11-18 16:55:17,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 16:55:17,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2018-11-18 16:55:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:17,642 INFO L225 Difference]: With dead ends: 3855 [2018-11-18 16:55:17,642 INFO L226 Difference]: Without dead ends: 3128 [2018-11-18 16:55:17,651 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:55:17,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2018-11-18 16:55:17,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 3084. [2018-11-18 16:55:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3084 states. [2018-11-18 16:55:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4803 transitions. [2018-11-18 16:55:17,751 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4803 transitions. Word has length 138 [2018-11-18 16:55:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:17,751 INFO L480 AbstractCegarLoop]: Abstraction has 3084 states and 4803 transitions. [2018-11-18 16:55:17,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:55:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4803 transitions. [2018-11-18 16:55:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:55:17,763 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:17,763 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:17,763 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:17,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash 873860836, now seen corresponding path program 1 times [2018-11-18 16:55:17,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:55:17,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:55:17,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:17,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:17,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:17,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:55:17,856 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/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 [2018-11-18 16:55:17,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:17,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:55:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:55:17,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:55:17,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-18 16:55:17,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:55:17,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:55:17,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:55:17,982 INFO L87 Difference]: Start difference. First operand 3084 states and 4803 transitions. Second operand 7 states. [2018-11-18 16:55:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:18,682 INFO L93 Difference]: Finished difference Result 7380 states and 11794 transitions. [2018-11-18 16:55:18,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:55:18,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2018-11-18 16:55:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:18,699 INFO L225 Difference]: With dead ends: 7380 [2018-11-18 16:55:18,699 INFO L226 Difference]: Without dead ends: 4302 [2018-11-18 16:55:18,711 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:55:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2018-11-18 16:55:18,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 4182. [2018-11-18 16:55:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4182 states. [2018-11-18 16:55:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6218 transitions. [2018-11-18 16:55:18,796 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6218 transitions. Word has length 161 [2018-11-18 16:55:18,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:18,797 INFO L480 AbstractCegarLoop]: Abstraction has 4182 states and 6218 transitions. [2018-11-18 16:55:18,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:55:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6218 transitions. [2018-11-18 16:55:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 16:55:18,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:18,806 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:18,807 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:18,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:18,807 INFO L82 PathProgramCache]: Analyzing trace with hash -851782568, now seen corresponding path program 1 times [2018-11-18 16:55:18,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:55:18,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:55:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:18,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:55:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 26 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:55:18,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:55:18,940 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:55:18,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:18,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:55:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:55:19,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:55:19,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 16:55:19,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:55:19,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:55:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:55:19,089 INFO L87 Difference]: Start difference. First operand 4182 states and 6218 transitions. Second operand 5 states. [2018-11-18 16:55:19,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:19,947 INFO L93 Difference]: Finished difference Result 10186 states and 15873 transitions. [2018-11-18 16:55:19,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:55:19,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2018-11-18 16:55:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:19,948 INFO L225 Difference]: With dead ends: 10186 [2018-11-18 16:55:19,948 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:55:19,985 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:55:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:55:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:55:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:55:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:55:19,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-18 16:55:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:19,986 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:55:19,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:55:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:55:19,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:55:19,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:55:20,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,221 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 70 [2018-11-18 16:55:20,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:55:20,369 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 70 [2018-11-18 16:55:20,938 WARN L180 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2018-11-18 16:55:21,072 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-11-18 16:55:21,202 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-11-18 16:55:21,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:55:21,204 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 16:55:21,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:55:21,204 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 16:55:21,204 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 16:55:21,205 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 16:55:21,206 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 16:55:21,207 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 16:55:21,208 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 16:55:21,209 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 16:55:21,210 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,211 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 16:55:21,212 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 16:55:21,213 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,214 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 16:55:21,215 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= |old(~a8~0)| ~a8~0)) (.cse5 (not (= ~a16~0 6))) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse8 (= ~a21~0 |old(~a21~0)|))) (let ((.cse11 (and .cse4 .cse5 .cse7 .cse8)) (.cse6 (<= ~a17~0 0)) (.cse9 (< 0 |old(~a17~0)|)) (.cse2 (< |old(~a8~0)| 15)) (.cse3 (= 6 |old(~a16~0)|)) (.cse14 (not (= ~a17~0 1))) (.cse13 (= 1 |old(~a17~0)|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse10 (< 13 |old(~a8~0)|)) (.cse12 (not (= 1 |old(~a20~0)|))) (.cse1 (and .cse4 .cse7 .cse8))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse3 .cse10 .cse11) (or .cse10 .cse12 (and .cse4 .cse6 .cse7 .cse8) .cse9) (or .cse3 .cse0 .cse5 .cse2) (or .cse3 .cse0 .cse12 .cse11) (or .cse3 .cse0 .cse10 .cse13 .cse14) (or .cse6 (not (= |old(~a21~0)| 1)) .cse9 .cse2) (or .cse14 .cse0 .cse13 .cse2) (or .cse0 .cse10 .cse12 .cse13 .cse14) (or .cse3 .cse0 .cse12 .cse14 .cse13) (or .cse0 .cse10 .cse12 .cse1)))) [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,216 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 16:55:21,217 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 16:55:21,218 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,219 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 16:55:21,220 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 16:55:21,221 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 16:55:21,221 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:55:21,221 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0)) [2018-11-18 16:55:21,221 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:55:21,221 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:55:21,221 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (< |old(~a8~0)| 15)) [2018-11-18 16:55:21,221 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:55:21,221 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse4 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse0) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4) (= 6 |old(~a16~0)|) (and .cse3 .cse1 .cse0) (and .cse2 .cse0 .cse4) (and .cse3 .cse2))) [2018-11-18 16:55:21,221 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 16:55:21,222 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 16:55:21,222 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 16:55:21,222 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse4 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse0) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4) (= 6 |old(~a16~0)|) (and .cse3 .cse1 .cse0) (and .cse2 .cse0 .cse4) (and .cse3 .cse2))) [2018-11-18 16:55:21,222 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:55:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:55:21 BoogieIcfgContainer [2018-11-18 16:55:21,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:55:21,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:55:21,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:55:21,236 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:55:21,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:13" (3/4) ... [2018-11-18 16:55:21,240 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:55:21,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:55:21,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:55:21,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:55:21,257 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:55:21,258 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:55:21,284 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == \old(a21)) || (15 <= a8 && 1 == a21)) || \old(a8) < 15) || ((1 == a20 && !(a16 == 6)) && 1 == a21)) || !(1 == \old(a20))) || ((a8 <= 13 && 1 == a20) && a17 <= 0)) || 6 == \old(a16)) || ((a8 <= 13 && 1 == a20) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && a17 <= 0)) || (a8 <= 13 && !(a16 == 6)) [2018-11-18 16:55:21,359 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eba06d10-96f4-4a2b-afc8-60a7fc6712b5/bin-2019/uautomizer/witness.graphml [2018-11-18 16:55:21,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:55:21,360 INFO L168 Benchmark]: Toolchain (without parser) took 8873.42 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.6 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,361 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:21,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.56 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,362 INFO L168 Benchmark]: Boogie Preprocessor took 120.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,362 INFO L168 Benchmark]: RCFGBuilder took 917.97 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,362 INFO L168 Benchmark]: TraceAbstraction took 7332.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.0 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,362 INFO L168 Benchmark]: Witness Printer took 123.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:21,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.56 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 917.97 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7332.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.0 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. * Witness Printer took 123.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: ((((((((!(1 == \old(a21)) || (15 <= a8 && 1 == a21)) || \old(a8) < 15) || ((1 == a20 && !(a16 == 6)) && 1 == a21)) || !(1 == \old(a20))) || ((a8 <= 13 && 1 == a20) && a17 <= 0)) || 6 == \old(a16)) || ((a8 <= 13 && 1 == a20) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && a17 <= 0)) || (a8 <= 13 && !(a16 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 3800 SDslu, 632 SDs, 0 SdLazy, 5204 SolverSat, 1578 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 580 GetRequests, 534 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4182occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 163 PreInvPairs, 327 NumberOfFragments, 453 HoareAnnotationTreeSize, 163 FomulaSimplifications, 8134 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2887 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1250 ConstructedInterpolants, 0 QuantifiedInterpolants, 525764 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1314 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 250/337 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...