./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:33:12,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:33:12,387 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:33:12,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:33:12,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:33:12,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:33:12,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:33:12,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:33:12,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:33:12,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:33:12,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:33:12,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:33:12,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:33:12,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:33:12,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:33:12,403 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:33:12,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:33:12,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:33:12,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:33:12,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:33:12,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:33:12,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:33:12,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:33:12,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:33:12,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:33:12,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:33:12,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:33:12,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:33:12,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:33:12,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:33:12,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:33:12,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:33:12,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:33:12,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:33:12,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:33:12,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:33:12,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:33:12,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:33:12,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:33:12,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:33:12,427 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:33:12,427 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:33:12,427 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:33:12,427 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:33:12,428 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:33:12,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:33:12,429 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:33:12,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:33:12,430 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:33:12,430 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:33:12,430 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:33:12,430 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:33:12,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:33:12,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:33:12,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:33:12,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:33:12,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:33:12,433 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:33:12,433 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_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2018-11-18 17:33:12,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:33:12,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:33:12,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:33:12,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:33:12,467 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:33:12,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-18 17:33:12,504 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/data/b7e7311e9/38dc9fe6dc104a75b81a88b78faac8ec/FLAGea3341e0b [2018-11-18 17:33:12,972 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:33:12,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-18 17:33:12,985 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/data/b7e7311e9/38dc9fe6dc104a75b81a88b78faac8ec/FLAGea3341e0b [2018-11-18 17:33:13,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/data/b7e7311e9/38dc9fe6dc104a75b81a88b78faac8ec [2018-11-18 17:33:13,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:33:13,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:33:13,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:33:13,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:33:13,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:33:13,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ec0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13, skipping insertion in model container [2018-11-18 17:33:13,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:33:13,534 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:33:13,769 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:33:13,773 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:33:13,841 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:33:13,854 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:33:13,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13 WrapperNode [2018-11-18 17:33:13,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:33:13,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:33:13,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:33:13,855 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:33:13,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:33:13,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:33:13,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:33:13,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:33:13,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:33:13,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:33:13,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:33:13,975 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:33:13,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/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 [2018-11-18 17:33:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:33:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:33:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:33:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:33:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:33:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:33:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:33:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:33:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:33:14,782 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:33:14,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14 BoogieIcfgContainer [2018-11-18 17:33:14,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:33:14,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:33:14,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:33:14,786 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:33:14,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:33:13" (1/3) ... [2018-11-18 17:33:14,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3eb063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:33:14, skipping insertion in model container [2018-11-18 17:33:14,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (2/3) ... [2018-11-18 17:33:14,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3eb063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:33:14, skipping insertion in model container [2018-11-18 17:33:14,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14" (3/3) ... [2018-11-18 17:33:14,789 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35_true-unreach-call_false-termination.c [2018-11-18 17:33:14,796 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:33:14,801 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:33:14,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:33:14,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:33:14,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:33:14,835 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:33:14,835 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:33:14,835 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:33:14,835 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:33:14,835 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:33:14,835 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:33:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:33:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 17:33:14,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:14,859 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:14,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:14,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:14,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1054680041, now seen corresponding path program 1 times [2018-11-18 17:33:14,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:14,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:14,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:15,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:15,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:33:15,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:15,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:33:15,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:33:15,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:15,148 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:33:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:15,743 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-18 17:33:15,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:33:15,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-18 17:33:15,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:15,757 INFO L225 Difference]: With dead ends: 627 [2018-11-18 17:33:15,757 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 17:33:15,762 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:15,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 17:33:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-18 17:33:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 17:33:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-18 17:33:15,805 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 101 [2018-11-18 17:33:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:15,805 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-18 17:33:15,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:33:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-18 17:33:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 17:33:15,808 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:15,809 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:15,809 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:15,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:15,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1791654186, now seen corresponding path program 1 times [2018-11-18 17:33:15,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:15,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:15,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:15,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:15,810 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:15,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:15,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:33:15,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:15,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:33:15,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:33:15,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:15,918 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 3 states. [2018-11-18 17:33:16,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:16,309 INFO L93 Difference]: Finished difference Result 1053 states and 1768 transitions. [2018-11-18 17:33:16,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:33:16,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-11-18 17:33:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:16,315 INFO L225 Difference]: With dead ends: 1053 [2018-11-18 17:33:16,316 INFO L226 Difference]: Without dead ends: 676 [2018-11-18 17:33:16,318 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-11-18 17:33:16,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2018-11-18 17:33:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-11-18 17:33:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1011 transitions. [2018-11-18 17:33:16,344 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1011 transitions. Word has length 110 [2018-11-18 17:33:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:16,345 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 1011 transitions. [2018-11-18 17:33:16,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:33:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1011 transitions. [2018-11-18 17:33:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 17:33:16,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:16,348 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 17:33:16,348 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:16,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1883976414, now seen corresponding path program 1 times [2018-11-18 17:33:16,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:16,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:16,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:16,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:16,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:33:16,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:16,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:33:16,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:33:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:16,430 INFO L87 Difference]: Start difference. First operand 676 states and 1011 transitions. Second operand 3 states. [2018-11-18 17:33:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:16,810 INFO L93 Difference]: Finished difference Result 1926 states and 2979 transitions. [2018-11-18 17:33:16,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:33:16,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-18 17:33:16,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:16,817 INFO L225 Difference]: With dead ends: 1926 [2018-11-18 17:33:16,817 INFO L226 Difference]: Without dead ends: 1256 [2018-11-18 17:33:16,820 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-18 17:33:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2018-11-18 17:33:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-11-18 17:33:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1828 transitions. [2018-11-18 17:33:16,853 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1828 transitions. Word has length 115 [2018-11-18 17:33:16,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:16,854 INFO L480 AbstractCegarLoop]: Abstraction has 1256 states and 1828 transitions. [2018-11-18 17:33:16,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:33:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1828 transitions. [2018-11-18 17:33:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:33:16,858 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:16,858 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 17:33:16,858 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:16,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash -737815760, now seen corresponding path program 1 times [2018-11-18 17:33:16,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:16,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:16,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:33:16,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:16,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:16,948 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-18 17:33:16,949 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:33:16,983 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:16,984 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:17,286 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:33:17,288 INFO L272 AbstractInterpreter]: Visited 102 different actions 102 times. Never merged. Never widened. Performed 1158 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 17:33:17,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:17,294 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:33:17,586 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-18 17:33:17,586 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:33:17,640 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-18 17:33:17,640 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:33:17,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:33:17,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:33:17,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:17,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:33:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:33:17,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:33:17,642 INFO L87 Difference]: Start difference. First operand 1256 states and 1828 transitions. Second operand 6 states. [2018-11-18 17:33:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:20,592 INFO L93 Difference]: Finished difference Result 2656 states and 3872 transitions. [2018-11-18 17:33:20,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:33:20,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-18 17:33:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:20,597 INFO L225 Difference]: With dead ends: 2656 [2018-11-18 17:33:20,597 INFO L226 Difference]: Without dead ends: 1406 [2018-11-18 17:33:20,601 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:33:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2018-11-18 17:33:20,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1403. [2018-11-18 17:33:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-11-18 17:33:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1989 transitions. [2018-11-18 17:33:20,631 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1989 transitions. Word has length 147 [2018-11-18 17:33:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:20,631 INFO L480 AbstractCegarLoop]: Abstraction has 1403 states and 1989 transitions. [2018-11-18 17:33:20,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:33:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1989 transitions. [2018-11-18 17:33:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:33:20,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:20,636 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:20,636 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:20,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:20,637 INFO L82 PathProgramCache]: Analyzing trace with hash 408540226, now seen corresponding path program 1 times [2018-11-18 17:33:20,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:20,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:20,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:20,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:20,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:20,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:20,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:20,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-18 17:33:20,795 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:33:20,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:20,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:21,144 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:33:21,144 INFO L272 AbstractInterpreter]: Visited 105 different actions 307 times. Merged at 7 different actions 14 times. Never widened. Performed 3649 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3649 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:33:21,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:21,155 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:33:21,399 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 84.03% of their original sizes. [2018-11-18 17:33:21,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:33:21,463 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-18 17:33:21,464 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:33:21,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:33:21,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-18 17:33:21,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:21,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:33:21,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:33:21,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:33:21,465 INFO L87 Difference]: Start difference. First operand 1403 states and 1989 transitions. Second operand 10 states. [2018-11-18 17:33:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:26,166 INFO L93 Difference]: Finished difference Result 3709 states and 5592 transitions. [2018-11-18 17:33:26,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:33:26,167 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-11-18 17:33:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:26,175 INFO L225 Difference]: With dead ends: 3709 [2018-11-18 17:33:26,175 INFO L226 Difference]: Without dead ends: 2312 [2018-11-18 17:33:26,180 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:33:26,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2018-11-18 17:33:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2295. [2018-11-18 17:33:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2295 states. [2018-11-18 17:33:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 3193 transitions. [2018-11-18 17:33:26,232 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 3193 transitions. Word has length 152 [2018-11-18 17:33:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:26,233 INFO L480 AbstractCegarLoop]: Abstraction has 2295 states and 3193 transitions. [2018-11-18 17:33:26,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:33:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 3193 transitions. [2018-11-18 17:33:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 17:33:26,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:26,239 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:26,239 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:26,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:26,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1456591882, now seen corresponding path program 1 times [2018-11-18 17:33:26,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:26,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:26,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:26,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:26,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:33:26,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:26,337 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:26,337 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-18 17:33:26,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:33:26,339 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:26,339 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:26,533 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:33:26,533 INFO L272 AbstractInterpreter]: Visited 107 different actions 425 times. Merged at 8 different actions 30 times. Never widened. Performed 5132 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:33:26,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:26,543 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:33:26,674 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 86.67% of their original sizes. [2018-11-18 17:33:26,675 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:33:26,729 INFO L415 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-11-18 17:33:26,729 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:33:26,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:33:26,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 17:33:26,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:26,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:33:26,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:33:26,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:33:26,732 INFO L87 Difference]: Start difference. First operand 2295 states and 3193 transitions. Second operand 9 states. [2018-11-18 17:33:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:29,738 INFO L93 Difference]: Finished difference Result 6164 states and 8816 transitions. [2018-11-18 17:33:29,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:33:29,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-11-18 17:33:29,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:29,748 INFO L225 Difference]: With dead ends: 6164 [2018-11-18 17:33:29,748 INFO L226 Difference]: Without dead ends: 2988 [2018-11-18 17:33:29,757 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:33:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2018-11-18 17:33:29,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2937. [2018-11-18 17:33:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2937 states. [2018-11-18 17:33:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 3833 transitions. [2018-11-18 17:33:29,817 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 3833 transitions. Word has length 173 [2018-11-18 17:33:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:29,817 INFO L480 AbstractCegarLoop]: Abstraction has 2937 states and 3833 transitions. [2018-11-18 17:33:29,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:33:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3833 transitions. [2018-11-18 17:33:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:33:29,825 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:29,825 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:29,825 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:29,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:29,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1135438191, now seen corresponding path program 1 times [2018-11-18 17:33:29,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:29,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:29,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:29,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:29,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:33:29,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:29,918 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:29,918 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-11-18 17:33:29,918 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:33:29,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:29,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:30,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:30,133 INFO L272 AbstractInterpreter]: Visited 109 different actions 429 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 5265 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:33:30,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:30,139 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:30,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:30,139 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/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 [2018-11-18 17:33:30,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:30,146 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:30,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 17:33:30,318 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:33:30,481 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:33:30,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:33:30,481 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:33:30,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:33:30,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:33:30,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:33:30,483 INFO L87 Difference]: Start difference. First operand 2937 states and 3833 transitions. Second operand 9 states. [2018-11-18 17:33:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:31,108 INFO L93 Difference]: Finished difference Result 7381 states and 9770 transitions. [2018-11-18 17:33:31,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:33:31,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2018-11-18 17:33:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:31,120 INFO L225 Difference]: With dead ends: 7381 [2018-11-18 17:33:31,120 INFO L226 Difference]: Without dead ends: 4450 [2018-11-18 17:33:31,125 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 429 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:33:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2018-11-18 17:33:31,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 4407. [2018-11-18 17:33:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4407 states. [2018-11-18 17:33:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 4407 states and 5667 transitions. [2018-11-18 17:33:31,186 INFO L78 Accepts]: Start accepts. Automaton has 4407 states and 5667 transitions. Word has length 215 [2018-11-18 17:33:31,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:31,187 INFO L480 AbstractCegarLoop]: Abstraction has 4407 states and 5667 transitions. [2018-11-18 17:33:31,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:33:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4407 states and 5667 transitions. [2018-11-18 17:33:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 17:33:31,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:31,193 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:31,194 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:31,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:31,194 INFO L82 PathProgramCache]: Analyzing trace with hash 976122272, now seen corresponding path program 1 times [2018-11-18 17:33:31,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:31,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:31,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:31,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:31,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:33:31,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:31,292 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:31,292 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-18 17:33:31,292 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:33:31,295 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:31,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:31,560 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:31,561 INFO L272 AbstractInterpreter]: Visited 110 different actions 324 times. Merged at 9 different actions 22 times. Never widened. Performed 3944 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3944 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:33:31,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:31,566 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:31,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:31,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/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 [2018-11-18 17:33:31,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:31,577 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:31,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 17:33:31,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 17:33:31,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:33:31,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-18 17:33:31,817 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:33:31,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:33:31,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:33:31,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:33:31,817 INFO L87 Difference]: Start difference. First operand 4407 states and 5667 transitions. Second operand 11 states. [2018-11-18 17:33:33,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:33,215 INFO L93 Difference]: Finished difference Result 7098 states and 8998 transitions. [2018-11-18 17:33:33,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:33:33,215 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2018-11-18 17:33:33,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:33,215 INFO L225 Difference]: With dead ends: 7098 [2018-11-18 17:33:33,215 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:33:33,226 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 442 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-11-18 17:33:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:33:33,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:33:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:33:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:33:33,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-11-18 17:33:33,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:33,227 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:33:33,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:33:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:33:33,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:33:33,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:33:33,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:33,830 WARN L180 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2018-11-18 17:33:34,083 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:33:34,085 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:33:34,086 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:33:34,087 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:33:34,088 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:33:34,089 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:33:34,090 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:33:34,091 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:33:34,092 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse16 (= 1 |old(~a25~0)|)) (.cse6 (not (= 1 ~a21~0))) (.cse17 (not (= 1 |old(~a19~0)|))) (.cse7 (= 0 |old(~a28~0)|))) (let ((.cse18 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse5 (< 10 |old(~a28~0)|)) (.cse12 (< 0 |old(~a19~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse19 (= 1 ~a11~0)) (.cse1 (and (or .cse6 (not (= 10 |old(~a28~0)|)) (not .cse16) (not (= 0 |old(~a19~0)|))) (or .cse6 .cse17 .cse7))) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a11~0 0)) (.cse20 (= 1 ~a19~0)) (.cse11 (= ~a17~0 8)) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse13 (not .cse0)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse14 (not (= 1 |old(~a11~0)|)))) (and (or (or .cse0 (= ~a19~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11) .cse2 .cse3 .cse12 .cse4) (or .cse13 .cse5 .cse12 .cse14 .cse15 .cse16) (or .cse5 .cse17 (and .cse18 .cse8 .cse19 .cse20) .cse14 .cse15) (or .cse13 .cse1 .cse2 .cse3 .cse4 .cse16) (or .cse5 .cse6 .cse7 .cse2 .cse3 .cse12 .cse4 .cse13 .cse16) (or .cse6 .cse17 .cse7 .cse20 .cse3 .cse4 .cse14) (or .cse5 .cse13 .cse17 .cse14 .cse15 .cse16) (or (and .cse18 .cse8 .cse9 .cse19) .cse5 .cse12 .cse14 .cse15) (or .cse6 (and (not (= ~a28~0 0)) .cse19 .cse11) .cse7 .cse3 .cse4 .cse14) (or .cse17 .cse1 .cse2 .cse3 .cse4 (and .cse8 .cse10 .cse20 .cse11)) (or .cse6 (not (= 7 |old(~a28~0)|)) .cse17 .cse2 (= ~a25~0 0) .cse3 .cse4 (not (= 0 |old(~a25~0)|))) (or .cse6 .cse13 .cse7 .cse3 .cse4 .cse14 .cse16)))) [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:33:34,093 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,094 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:33:34,095 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:33:34,096 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:33:34,096 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:33:34,096 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse0 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse6 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse1 .cse5 .cse3) (and .cse0 .cse2 .cse4 (= ~a19~0 1)) (and .cse6 .cse5 .cse3 (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 17:33:34,097 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:33:34,097 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:33:34,097 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse7 (= 1 ~a19~0)) (.cse8 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a19~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse2 .cse6) (and .cse4 .cse2 .cse6 .cse7) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse0 .cse1 .cse7 .cse3) (and .cse8 .cse0 .cse5 .cse1 .cse6 .cse3))) [2018-11-18 17:33:34,097 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:33:34,097 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:33:34,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:33:34 BoogieIcfgContainer [2018-11-18 17:33:34,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:33:34,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:33:34,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:33:34,104 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:33:34,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14" (3/4) ... [2018-11-18 17:33:34,107 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:33:34,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:33:34,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:33:34,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:33:34,123 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:33:34,124 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:33:34,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 17:33:34,203 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1e08a4c-0b76-408e-8e2e-bc24b5967d0b/bin-2019/utaipan/witness.graphml [2018-11-18 17:33:34,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:33:34,204 INFO L168 Benchmark]: Toolchain (without parser) took 20717.40 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 949.1 MB in the beginning and 924.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,205 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:33:34,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 914.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -234.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,205 INFO L168 Benchmark]: Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,206 INFO L168 Benchmark]: RCFGBuilder took 807.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,206 INFO L168 Benchmark]: TraceAbstraction took 19320.41 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 976.2 MB). Free memory was 1.0 GB in the beginning and 948.7 MB in the end (delta: 96.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,206 INFO L168 Benchmark]: Witness Printer took 99.38 ms. Allocated memory is still 2.2 GB. Free memory was 948.7 MB in the beginning and 924.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:34,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 914.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -234.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 807.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19320.41 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 976.2 MB). Free memory was 1.0 GB in the beginning and 948.7 MB in the end (delta: 96.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 99.38 ms. Allocated memory is still 2.2 GB. Free memory was 948.7 MB in the beginning and 924.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 14.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1453 SDtfs, 5598 SDslu, 2024 SDs, 0 SdLazy, 9089 SolverSat, 1580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1418 GetRequests, 1329 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4407occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9964642649042335 AbsIntWeakeningRatio, 0.23880597014925373 AbsIntAvgWeakeningVarsNumRemoved, 24.78038379530917 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 119 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 165 NumberOfFragments, 722 HoareAnnotationTreeSize, 115 FomulaSimplifications, 2799 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2160 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2082 ConstructedInterpolants, 0 QuantifiedInterpolants, 668596 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1089 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1118/1292 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...