./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label17_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e99e2996098b5fdfddd3653a0ac7eff3fdd9a9c5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:54:43,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:54:43,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:54:43,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:54:43,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:54:43,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:54:43,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:54:43,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:54:43,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:54:43,394 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:54:43,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:54:43,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:54:43,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:54:43,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:54:43,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:54:43,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:54:43,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:54:43,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:54:43,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:54:43,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:54:43,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:54:43,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:54:43,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:54:43,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:54:43,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:54:43,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:54:43,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:54:43,405 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:54:43,406 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:54:43,407 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:54:43,407 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:54:43,407 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:54:43,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:54:43,408 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:54:43,408 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:54:43,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:54:43,409 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:54:43,419 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:54:43,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:54:43,420 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:54:43,421 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:54:43,421 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:54:43,422 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:54:43,422 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:54:43,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:54:43,422 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:54:43,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:54:43,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:54:43,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:54:43,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:54:43,425 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan 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 -> Taipan 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 -> e99e2996098b5fdfddd3653a0ac7eff3fdd9a9c5 [2018-11-23 00:54:43,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:54:43,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:54:43,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:54:43,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:54:43,464 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:54:43,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-11-23 00:54:43,510 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/data/19b87e863/b32f6204edf741b09bb134fb3761e45a/FLAG7a2e0f354 [2018-11-23 00:54:44,000 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:54:44,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/sv-benchmarks/c/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-11-23 00:54:44,011 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/data/19b87e863/b32f6204edf741b09bb134fb3761e45a/FLAG7a2e0f354 [2018-11-23 00:54:44,499 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/data/19b87e863/b32f6204edf741b09bb134fb3761e45a [2018-11-23 00:54:44,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:54:44,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:54:44,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:44,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:54:44,505 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:54:44,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:44" (1/1) ... [2018-11-23 00:54:44,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:44, skipping insertion in model container [2018-11-23 00:54:44,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:44" (1/1) ... [2018-11-23 00:54:44,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:54:44,554 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:54:44,892 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:44,895 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:54:45,095 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:45,108 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:54:45,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45 WrapperNode [2018-11-23 00:54:45,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:45,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:45,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:54:45,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:54:45,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:45,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:54:45,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:54:45,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:54:45,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 00:54:45,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:54:45,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:54:45,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:54:45,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:54:45,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:54:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:54:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:54:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:54:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:54:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:54:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:54:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:54:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:54:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:54:46,686 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:54:46,686 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:54:46,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:46 BoogieIcfgContainer [2018-11-23 00:54:46,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:54:46,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:54:46,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:54:46,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:54:46,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:44" (1/3) ... [2018-11-23 00:54:46,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f33fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:46, skipping insertion in model container [2018-11-23 00:54:46,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (2/3) ... [2018-11-23 00:54:46,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f33fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:46, skipping insertion in model container [2018-11-23 00:54:46,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:46" (3/3) ... [2018-11-23 00:54:46,695 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label17_true-unreach-call.c [2018-11-23 00:54:46,703 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:54:46,710 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:54:46,724 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:54:46,749 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:54:46,749 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:54:46,749 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:54:46,749 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:54:46,750 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:54:46,750 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:54:46,750 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:54:46,750 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:54:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-11-23 00:54:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 00:54:46,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:54:46,776 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] [2018-11-23 00:54:46,778 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:54:46,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2013037499, now seen corresponding path program 1 times [2018-11-23 00:54:46,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:54:46,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:46,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:46,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:46,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:54:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:47,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:54:47,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:54:47,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:54:47,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:54:47,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:54:47,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:54:47,029 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-11-23 00:54:47,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:54:47,912 INFO L93 Difference]: Finished difference Result 787 states and 1379 transitions. [2018-11-23 00:54:47,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:54:47,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-23 00:54:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:54:47,928 INFO L225 Difference]: With dead ends: 787 [2018-11-23 00:54:47,928 INFO L226 Difference]: Without dead ends: 493 [2018-11-23 00:54:47,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:54:47,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-23 00:54:47,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 486. [2018-11-23 00:54:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-23 00:54:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 847 transitions. [2018-11-23 00:54:47,987 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 847 transitions. Word has length 44 [2018-11-23 00:54:47,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:54:47,987 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 847 transitions. [2018-11-23 00:54:47,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:54:47,988 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 847 transitions. [2018-11-23 00:54:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 00:54:47,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:54:47,991 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:47,991 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:54:47,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:47,991 INFO L82 PathProgramCache]: Analyzing trace with hash -697152023, now seen corresponding path program 1 times [2018-11-23 00:54:47,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:54:47,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:47,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:47,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:47,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:54:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:48,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:54:48,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:54:48,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:54:48,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:54:48,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:54:48,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:54:48,146 INFO L87 Difference]: Start difference. First operand 486 states and 847 transitions. Second operand 5 states. [2018-11-23 00:54:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:54:49,690 INFO L93 Difference]: Finished difference Result 1723 states and 3154 transitions. [2018-11-23 00:54:49,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:54:49,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2018-11-23 00:54:49,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:54:49,698 INFO L225 Difference]: With dead ends: 1723 [2018-11-23 00:54:49,698 INFO L226 Difference]: Without dead ends: 1243 [2018-11-23 00:54:49,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:54:49,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-11-23 00:54:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1029. [2018-11-23 00:54:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-11-23 00:54:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1655 transitions. [2018-11-23 00:54:49,743 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1655 transitions. Word has length 119 [2018-11-23 00:54:49,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:54:49,743 INFO L480 AbstractCegarLoop]: Abstraction has 1029 states and 1655 transitions. [2018-11-23 00:54:49,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:54:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1655 transitions. [2018-11-23 00:54:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 00:54:49,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:54:49,747 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:49,748 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:54:49,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:49,748 INFO L82 PathProgramCache]: Analyzing trace with hash 716839870, now seen corresponding path program 1 times [2018-11-23 00:54:49,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:54:49,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:49,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:49,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:49,750 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:54:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:49,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:54:49,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:54:49,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:54:49,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:54:49,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:54:49,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:54:49,838 INFO L87 Difference]: Start difference. First operand 1029 states and 1655 transitions. Second operand 5 states. [2018-11-23 00:54:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:54:51,385 INFO L93 Difference]: Finished difference Result 3656 states and 6081 transitions. [2018-11-23 00:54:51,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:54:51,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-23 00:54:51,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:54:51,397 INFO L225 Difference]: With dead ends: 3656 [2018-11-23 00:54:51,398 INFO L226 Difference]: Without dead ends: 2633 [2018-11-23 00:54:51,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:54:51,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-23 00:54:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2599. [2018-11-23 00:54:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2599 states. [2018-11-23 00:54:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3725 transitions. [2018-11-23 00:54:51,464 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3725 transitions. Word has length 130 [2018-11-23 00:54:51,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:54:51,464 INFO L480 AbstractCegarLoop]: Abstraction has 2599 states and 3725 transitions. [2018-11-23 00:54:51,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:54:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3725 transitions. [2018-11-23 00:54:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 00:54:51,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:54:51,468 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:51,469 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:54:51,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:51,469 INFO L82 PathProgramCache]: Analyzing trace with hash -523045564, now seen corresponding path program 1 times [2018-11-23 00:54:51,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:54:51,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:51,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:51,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:51,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:54:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:51,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:54:51,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:54:51,649 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-23 00:54:51,651 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 00:54:51,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:54:51,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:54:52,316 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:54:52,317 INFO L272 AbstractInterpreter]: Visited 139 different actions 403 times. Merged at 4 different actions 7 times. Never widened. Performed 5619 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5619 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-23 00:54:52,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:52,332 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:54:52,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:54:52,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:54:52,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:52,340 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:54:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:52,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:54:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:52,453 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:54:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:52,535 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:54:52,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 00:54:52,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:54:52,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:54:52,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:54:52,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:54:52,536 INFO L87 Difference]: Start difference. First operand 2599 states and 3725 transitions. Second operand 3 states. [2018-11-23 00:54:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:54:53,323 INFO L93 Difference]: Finished difference Result 5984 states and 8823 transitions. [2018-11-23 00:54:53,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:54:53,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-11-23 00:54:53,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:54:53,333 INFO L225 Difference]: With dead ends: 5984 [2018-11-23 00:54:53,333 INFO L226 Difference]: Without dead ends: 3391 [2018-11-23 00:54:53,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:54:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2018-11-23 00:54:53,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3196. [2018-11-23 00:54:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3196 states. [2018-11-23 00:54:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 4553 transitions. [2018-11-23 00:54:53,387 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 4553 transitions. Word has length 175 [2018-11-23 00:54:53,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:54:53,387 INFO L480 AbstractCegarLoop]: Abstraction has 3196 states and 4553 transitions. [2018-11-23 00:54:53,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:54:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 4553 transitions. [2018-11-23 00:54:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 00:54:53,391 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:54:53,391 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:53,391 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:54:53,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:53,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1334961658, now seen corresponding path program 1 times [2018-11-23 00:54:53,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:54:53,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:53,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:53,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:53,392 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:54:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 74 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:54:53,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:54:53,499 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:54:53,499 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-23 00:54:53,500 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 00:54:53,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:54:53,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:54:53,640 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:54:53,640 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 984 root evaluator evaluations with a maximum evaluation depth of 14. Performed 984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-23 00:54:53,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:53,648 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:54:54,072 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 73.47% of their original sizes. [2018-11-23 00:54:54,072 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:54:54,121 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-23 00:54:54,122 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:54:54,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:54:54,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 00:54:54,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:54:54,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:54:54,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:54:54,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:54:54,124 INFO L87 Difference]: Start difference. First operand 3196 states and 4553 transitions. Second operand 6 states. [2018-11-23 00:55:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:55:25,869 INFO L93 Difference]: Finished difference Result 6576 states and 9318 transitions. [2018-11-23 00:55:25,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:55:25,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-23 00:55:25,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:55:25,881 INFO L225 Difference]: With dead ends: 6576 [2018-11-23 00:55:25,881 INFO L226 Difference]: Without dead ends: 3386 [2018-11-23 00:55:25,887 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:55:25,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2018-11-23 00:55:25,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3385. [2018-11-23 00:55:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3385 states. [2018-11-23 00:55:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3385 states and 4751 transitions. [2018-11-23 00:55:25,945 INFO L78 Accepts]: Start accepts. Automaton has 3385 states and 4751 transitions. Word has length 199 [2018-11-23 00:55:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:55:25,945 INFO L480 AbstractCegarLoop]: Abstraction has 3385 states and 4751 transitions. [2018-11-23 00:55:25,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:55:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 4751 transitions. [2018-11-23 00:55:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-23 00:55:25,953 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:55:25,953 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:55:25,954 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:55:25,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:55:25,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1900295551, now seen corresponding path program 1 times [2018-11-23 00:55:25,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:55:25,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:55:25,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:55:25,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:55:25,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:55:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 185 proven. 72 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 00:55:26,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:55:26,155 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:55:26,155 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-11-23 00:55:26,156 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 00:55:26,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:55:26,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:55:26,511 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:55:26,511 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 4 different actions 4 times. Never widened. Performed 3141 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-23 00:55:26,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:55:26,513 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:55:26,761 INFO L227 lantSequenceWeakener]: Weakened 312 states. On average, predicates are now at 75.27% of their original sizes. [2018-11-23 00:55:26,761 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:55:26,824 INFO L415 sIntCurrentIteration]: We unified 314 AI predicates to 314 [2018-11-23 00:55:26,824 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:55:26,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:55:26,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:55:26,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:55:26,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:55:26,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:55:26,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:55:26,825 INFO L87 Difference]: Start difference. First operand 3385 states and 4751 transitions. Second operand 10 states. [2018-11-23 00:56:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:56:23,181 INFO L93 Difference]: Finished difference Result 6964 states and 9827 transitions. [2018-11-23 00:56:23,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 00:56:23,181 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2018-11-23 00:56:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:56:23,188 INFO L225 Difference]: With dead ends: 6964 [2018-11-23 00:56:23,188 INFO L226 Difference]: Without dead ends: 3774 [2018-11-23 00:56:23,192 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:56:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2018-11-23 00:56:23,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 3768. [2018-11-23 00:56:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3768 states. [2018-11-23 00:56:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 5221 transitions. [2018-11-23 00:56:23,233 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 5221 transitions. Word has length 315 [2018-11-23 00:56:23,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:56:23,234 INFO L480 AbstractCegarLoop]: Abstraction has 3768 states and 5221 transitions. [2018-11-23 00:56:23,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:56:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 5221 transitions. [2018-11-23 00:56:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 00:56:23,238 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:56:23,238 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 00:56:23,239 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:56:23,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:23,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1661445856, now seen corresponding path program 1 times [2018-11-23 00:56:23,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:56:23,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:23,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:56:23,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:23,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:56:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:56:23,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:56:23,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:56:23,381 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 317 with the following transitions: [2018-11-23 00:56:23,381 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 00:56:23,384 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:56:23,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:56:23,730 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:56:23,731 INFO L272 AbstractInterpreter]: Visited 126 different actions 371 times. Merged at 6 different actions 15 times. Never widened. Performed 4956 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4956 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 00:56:23,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:23,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:56:23,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:56:23,735 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:56:23,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:56:23,741 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:56:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:23,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:56:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:56:23,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:56:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:56:23,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:56:23,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 00:56:23,975 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:56:23,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:56:23,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:56:23,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:56:23,976 INFO L87 Difference]: Start difference. First operand 3768 states and 5221 transitions. Second operand 7 states. [2018-11-23 00:56:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:56:24,902 INFO L93 Difference]: Finished difference Result 6970 states and 9846 transitions. [2018-11-23 00:56:24,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:56:24,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 316 [2018-11-23 00:56:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:56:24,913 INFO L225 Difference]: With dead ends: 6970 [2018-11-23 00:56:24,913 INFO L226 Difference]: Without dead ends: 3780 [2018-11-23 00:56:24,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 632 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:56:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2018-11-23 00:56:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3701. [2018-11-23 00:56:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3701 states. [2018-11-23 00:56:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 4594 transitions. [2018-11-23 00:56:24,982 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 4594 transitions. Word has length 316 [2018-11-23 00:56:24,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:56:24,983 INFO L480 AbstractCegarLoop]: Abstraction has 3701 states and 4594 transitions. [2018-11-23 00:56:24,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:56:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4594 transitions. [2018-11-23 00:56:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-23 00:56:24,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:56:24,991 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:56:24,991 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:56:24,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash -145949032, now seen corresponding path program 1 times [2018-11-23 00:56:24,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:56:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:24,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:56:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:24,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:56:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2018-11-23 00:56:25,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:56:25,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:56:25,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:56:25,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:56:25,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:56:25,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:56:25,155 INFO L87 Difference]: Start difference. First operand 3701 states and 4594 transitions. Second operand 4 states. [2018-11-23 00:56:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:56:26,088 INFO L93 Difference]: Finished difference Result 9628 states and 12377 transitions. [2018-11-23 00:56:26,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:56:26,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 320 [2018-11-23 00:56:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:56:26,105 INFO L225 Difference]: With dead ends: 9628 [2018-11-23 00:56:26,105 INFO L226 Difference]: Without dead ends: 6504 [2018-11-23 00:56:26,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:56:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6504 states. [2018-11-23 00:56:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6504 to 6122. [2018-11-23 00:56:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6122 states. [2018-11-23 00:56:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 7523 transitions. [2018-11-23 00:56:26,219 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 7523 transitions. Word has length 320 [2018-11-23 00:56:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:56:26,220 INFO L480 AbstractCegarLoop]: Abstraction has 6122 states and 7523 transitions. [2018-11-23 00:56:26,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:56:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 7523 transitions. [2018-11-23 00:56:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-23 00:56:26,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:56:26,231 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-23 00:56:26,232 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:56:26,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:26,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1168629971, now seen corresponding path program 1 times [2018-11-23 00:56:26,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:56:26,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:26,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:56:26,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:56:26,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:56:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:56:26,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:56:26,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:56:26,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-23 00:56:26,417 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [857], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 00:56:26,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:56:26,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:56:26,594 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:56:26,594 INFO L272 AbstractInterpreter]: Visited 156 different actions 454 times. Merged at 4 different actions 7 times. Never widened. Performed 6432 root evaluator evaluations with a maximum evaluation depth of 9. Performed 6432 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-23 00:56:26,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:26,595 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:56:26,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:56:26,595 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/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 [2018-11-23 00:56:26,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:56:26,601 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:56:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:26,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:56:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 00:56:26,706 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:56:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 00:56:26,815 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:56:26,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-23 00:56:26,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:56:26,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:56:26,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:56:26,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:56:26,817 INFO L87 Difference]: Start difference. First operand 6122 states and 7523 transitions. Second operand 3 states. [2018-11-23 00:56:27,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:56:27,390 INFO L93 Difference]: Finished difference Result 14094 states and 17554 transitions. [2018-11-23 00:56:27,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:56:27,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2018-11-23 00:56:27,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:56:27,391 INFO L225 Difference]: With dead ends: 14094 [2018-11-23 00:56:27,391 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:56:27,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:56:27,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:56:27,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:56:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:56:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:56:27,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2018-11-23 00:56:27,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:56:27,421 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:56:27,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:56:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:56:27,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:56:27,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:56:27,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:56:27,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:56:27,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:56:27,927 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 78 [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:56:27,995 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-23 00:56:27,995 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,996 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,997 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,998 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-23 00:56:27,999 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-23 00:56:28,000 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-23 00:56:28,001 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|)) (.cse15 (= ~a25~0 12))) (let ((.cse11 (<= 13 ~a25~0)) (.cse10 (< |old(~a25~0)| 13)) (.cse12 (= ~a25~0 10)) (.cse6 (not (= 15 ~a8~0))) (.cse7 (not (= 1 ~a3~0))) (.cse8 (not (= 312 |old(~a23~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse5 (not (= 1 |old(~a4~0)|))) (.cse2 (not .cse15)) (.cse4 (= 12 |old(~a25~0)|)) (.cse14 (and .cse0 .cse1 .cse3)) (.cse13 (< 0 |old(~a4~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 (and (= (mod ~a25~0 2) 0) (not (= ~a25~0 0))) .cse8 .cse5 (= 0 |old(~a25~0)|) .cse9 (not (= 0 (mod |old(~a25~0)| 2)))) (or .cse10 .cse5 .cse11) (or (not (= 10 |old(~a25~0)|)) .cse12 .cse9 .cse6 .cse7 .cse8 .cse5 (not (= 130 |old(~a29~0)|))) (or .cse11 .cse10 .cse13) (or .cse14 .cse5 (<= (+ |old(~a23~0)| 43) 0)) (or (or .cse15 (and (= ~a29~0 130) .cse12)) (or .cse6 .cse7 (not .cse4)) .cse8 .cse5 .cse9) (or .cse14 .cse5 (< 130 |old(~a29~0)|)) (or .cse2 .cse4 .cse13) (or .cse14 .cse13)))) [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-23 00:56:28,002 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,003 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-23 00:56:28,004 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,005 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,006 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-23 00:56:28,007 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,008 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-23 00:56:28,009 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,010 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,011 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-23 00:56:28,012 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:56:28,013 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a29~0 130) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-23 00:56:28,014 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:56:28,014 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:56:28,014 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (and (= ~a29~0 |old(~a29~0)|) (= ~a25~0 10) (= ~a23~0 312) (= ~a4~0 |old(~a4~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-23 00:56:28,014 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-23 00:56:28,014 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 130) .cse0) (<= ~a4~0 0) (and (not (= ~a25~0 12)) .cse0) (and (< 0 (+ ~a23~0 43)) .cse0) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)))) [2018-11-23 00:56:28,014 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-23 00:56:28,014 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-23 00:56:28,014 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 130) .cse0) (<= ~a4~0 0) (and (not (= ~a25~0 12)) .cse0) (and (< 0 (+ ~a23~0 43)) .cse0) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)))) [2018-11-23 00:56:28,014 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-11-23 00:56:28,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:56:28 BoogieIcfgContainer [2018-11-23 00:56:28,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:56:28,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:56:28,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:56:28,023 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:56:28,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:46" (3/4) ... [2018-11-23 00:56:28,026 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:56:28,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:56:28,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:56:28,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:56:28,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:56:28,048 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:56:28,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(10 == \old(a25)) || (a29 <= 130 && 1 == a4)) || a4 <= 0) || (!(a25 == 12) && 1 == a4)) || (0 < a23 + 43 && 1 == a4)) || !(15 == a8)) || !(1 == a3)) || !(312 == \old(a23))) || !(1 == \old(a4))) || !(130 == \old(a29)) [2018-11-23 00:56:28,156 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2eadd0bd-2692-41c7-9252-1a660086dc08/bin-2019/utaipan/witness.graphml [2018-11-23 00:56:28,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:56:28,157 INFO L168 Benchmark]: Toolchain (without parser) took 103655.48 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 955.5 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,158 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:28,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.47 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,159 INFO L168 Benchmark]: Boogie Preprocessor took 58.63 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,159 INFO L168 Benchmark]: RCFGBuilder took 1488.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 168.0 MB). Peak memory consumption was 168.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,159 INFO L168 Benchmark]: TraceAbstraction took 101334.66 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 951.9 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,159 INFO L168 Benchmark]: Witness Printer took 133.30 ms. Allocated memory is still 5.0 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:28,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 606.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.47 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.63 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1488.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 168.0 MB). Peak memory consumption was 168.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 101334.66 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 951.9 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 133.30 ms. Allocated memory is still 5.0 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 120]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((!(10 == \old(a25)) || (a29 <= 130 && 1 == a4)) || a4 <= 0) || (!(a25 == 12) && 1 == a4)) || (0 < a23 + 43 && 1 == a4)) || !(15 == a8)) || !(1 == a3)) || !(312 == \old(a23))) || !(1 == \old(a4))) || !(130 == \old(a29)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 101.2s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 95.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2320 SDtfs, 5211 SDslu, 1747 SDs, 0 SdLazy, 10309 SolverSat, 1861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2199 GetRequests, 2136 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6122occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9973363577375972 AbsIntWeakeningRatio, 0.12109375 AbsIntAvgWeakeningVarsNumRemoved, 18.30859375 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 918 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 158 NumberOfFragments, 392 HoareAnnotationTreeSize, 100 FomulaSimplifications, 3004 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1277 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2753 NumberOfCodeBlocks, 2753 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3551 ConstructedInterpolants, 0 QuantifiedInterpolants, 2179270 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1430 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 2489/2642 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...