./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.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_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/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 06d11383001c52cfbf19a51eafe2dc3d238c9679 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:35:19,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:35:19,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:35:19,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:35:19,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:35:19,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:35:19,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:35:19,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:35:19,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:35:19,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:35:19,358 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:35:19,358 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:35:19,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:35:19,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:35:19,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:35:19,361 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:35:19,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:35:19,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:35:19,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:35:19,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:35:19,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:35:19,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:35:19,368 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:35:19,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:35:19,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:35:19,369 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:35:19,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:35:19,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:35:19,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:35:19,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:35:19,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:35:19,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:35:19,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:35:19,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:35:19,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:35:19,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:35:19,372 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:35:19,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:35:19,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:35:19,381 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:35:19,381 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:35:19,381 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:35:19,381 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:35:19,381 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:35:19,382 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:35:19,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:35:19,383 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:35:19,383 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:35:19,383 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:35:19,384 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:35:19,385 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:35:19,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:35:19,385 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:35:19,385 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:35:19,385 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:35:19,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:35:19,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:35:19,386 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:35:19,387 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_09e5f2ea-1a38-496a-8ebe-0d2076e81618/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 -> 06d11383001c52cfbf19a51eafe2dc3d238c9679 [2018-11-18 10:35:19,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:35:19,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:35:19,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:35:19,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:35:19,423 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:35:19,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-18 10:35:19,464 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/data/06c37d28d/11168625a3d54603a2eafb334282db69/FLAGe55e70c22 [2018-11-18 10:35:19,963 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:35:19,964 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-18 10:35:19,975 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/data/06c37d28d/11168625a3d54603a2eafb334282db69/FLAGe55e70c22 [2018-11-18 10:35:20,443 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/data/06c37d28d/11168625a3d54603a2eafb334282db69 [2018-11-18 10:35:20,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:35:20,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:35:20,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:35:20,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:35:20,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:35:20,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:20,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20, skipping insertion in model container [2018-11-18 10:35:20,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:20,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:35:20,496 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:35:20,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:35:20,810 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:35:20,930 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:35:20,943 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:35:20,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20 WrapperNode [2018-11-18 10:35:20,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:35:20,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:35:20,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:35:20,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:35:21,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:35:21,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:35:21,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:35:21,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:35:21,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... [2018-11-18 10:35:21,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:35:21,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:35:21,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:35:21,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:35:21,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/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 10:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:35:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:35:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:35:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:35:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:35:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:35:22,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:35:22,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:22 BoogieIcfgContainer [2018-11-18 10:35:22,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:35:22,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:35:22,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:35:22,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:35:22,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:35:20" (1/3) ... [2018-11-18 10:35:22,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4bc34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:22, skipping insertion in model container [2018-11-18 10:35:22,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:20" (2/3) ... [2018-11-18 10:35:22,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4bc34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:22, skipping insertion in model container [2018-11-18 10:35:22,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:22" (3/3) ... [2018-11-18 10:35:22,221 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label44_true-unreach-call.c [2018-11-18 10:35:22,227 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:35:22,232 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:35:22,242 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:35:22,265 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:35:22,265 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:35:22,265 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:35:22,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:35:22,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:35:22,265 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:35:22,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:35:22,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:35:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 10:35:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:35:22,290 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:22,290 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] [2018-11-18 10:35:22,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:22,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:22,296 INFO L82 PathProgramCache]: Analyzing trace with hash -889068935, now seen corresponding path program 1 times [2018-11-18 10:35:22,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:22,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:22,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:22,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:22,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:22,496 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 10:35:22,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:22,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:35:22,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:22,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:35:22,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:35:22,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:35:22,512 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-18 10:35:23,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:23,658 INFO L93 Difference]: Finished difference Result 979 states and 1754 transitions. [2018-11-18 10:35:23,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:35:23,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-11-18 10:35:23,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:23,669 INFO L225 Difference]: With dead ends: 979 [2018-11-18 10:35:23,669 INFO L226 Difference]: Without dead ends: 680 [2018-11-18 10:35:23,673 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:35:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-11-18 10:35:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 484. [2018-11-18 10:35:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-11-18 10:35:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 730 transitions. [2018-11-18 10:35:23,720 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 730 transitions. Word has length 33 [2018-11-18 10:35:23,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:23,720 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 730 transitions. [2018-11-18 10:35:23,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:35:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 730 transitions. [2018-11-18 10:35:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:35:23,723 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:23,723 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:23,724 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:23,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:23,724 INFO L82 PathProgramCache]: Analyzing trace with hash 337985131, now seen corresponding path program 1 times [2018-11-18 10:35:23,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:23,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:23,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:23,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:23,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:23,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:23,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:35:23,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:23,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:35:23,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:35:23,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:35:23,878 INFO L87 Difference]: Start difference. First operand 484 states and 730 transitions. Second operand 6 states. [2018-11-18 10:35:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:25,316 INFO L93 Difference]: Finished difference Result 1555 states and 2493 transitions. [2018-11-18 10:35:25,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:35:25,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-18 10:35:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:25,330 INFO L225 Difference]: With dead ends: 1555 [2018-11-18 10:35:25,330 INFO L226 Difference]: Without dead ends: 1077 [2018-11-18 10:35:25,332 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:35:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2018-11-18 10:35:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1063. [2018-11-18 10:35:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2018-11-18 10:35:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1592 transitions. [2018-11-18 10:35:25,365 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1592 transitions. Word has length 106 [2018-11-18 10:35:25,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:25,366 INFO L480 AbstractCegarLoop]: Abstraction has 1063 states and 1592 transitions. [2018-11-18 10:35:25,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:35:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1592 transitions. [2018-11-18 10:35:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 10:35:25,368 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:25,368 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:25,368 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:25,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:25,368 INFO L82 PathProgramCache]: Analyzing trace with hash 375100500, now seen corresponding path program 1 times [2018-11-18 10:35:25,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:25,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:25,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:25,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:25,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:25,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:35:25,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:35:25,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:25,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:35:25,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:35:25,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:35:25,548 INFO L87 Difference]: Start difference. First operand 1063 states and 1592 transitions. Second operand 7 states. [2018-11-18 10:35:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:35:27,175 INFO L93 Difference]: Finished difference Result 2975 states and 4517 transitions. [2018-11-18 10:35:27,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:35:27,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2018-11-18 10:35:27,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:35:27,183 INFO L225 Difference]: With dead ends: 2975 [2018-11-18 10:35:27,183 INFO L226 Difference]: Without dead ends: 1918 [2018-11-18 10:35:27,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-18 10:35:27,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2018-11-18 10:35:27,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1813. [2018-11-18 10:35:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2018-11-18 10:35:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2564 transitions. [2018-11-18 10:35:27,223 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2564 transitions. Word has length 107 [2018-11-18 10:35:27,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:35:27,224 INFO L480 AbstractCegarLoop]: Abstraction has 1813 states and 2564 transitions. [2018-11-18 10:35:27,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:35:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2564 transitions. [2018-11-18 10:35:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 10:35:27,226 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:35:27,226 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:27,227 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:35:27,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:27,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1471774269, now seen corresponding path program 1 times [2018-11-18 10:35:27,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:35:27,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:27,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:35:27,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:35:27,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:35:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:35:27,362 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:35:27,362 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:35:27,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-18 10:35:27,364 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:35:27,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:35:27,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:35:27,959 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:35:27,960 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 5613 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5613 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 10:35:27,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:35:27,966 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:35:28,255 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 75.14% of their original sizes. [2018-11-18 10:35:28,255 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:35:28,341 INFO L415 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-11-18 10:35:28,341 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:35:28,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:35:28,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2018-11-18 10:35:28,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:35:28,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 10:35:28,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 10:35:28,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 10:35:28,343 INFO L87 Difference]: Start difference. First operand 1813 states and 2564 transitions. Second operand 12 states. [2018-11-18 10:36:41,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:36:41,063 INFO L93 Difference]: Finished difference Result 5578 states and 7981 transitions. [2018-11-18 10:36:41,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 10:36:41,063 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2018-11-18 10:36:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:36:41,073 INFO L225 Difference]: With dead ends: 5578 [2018-11-18 10:36:41,074 INFO L226 Difference]: Without dead ends: 3771 [2018-11-18 10:36:41,077 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-11-18 10:36:41,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2018-11-18 10:36:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3747. [2018-11-18 10:36:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3747 states. [2018-11-18 10:36:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 4999 transitions. [2018-11-18 10:36:41,131 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 4999 transitions. Word has length 165 [2018-11-18 10:36:41,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:36:41,132 INFO L480 AbstractCegarLoop]: Abstraction has 3747 states and 4999 transitions. [2018-11-18 10:36:41,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 10:36:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4999 transitions. [2018-11-18 10:36:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 10:36:41,135 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:36:41,135 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:36:41,135 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:36:41,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:36:41,136 INFO L82 PathProgramCache]: Analyzing trace with hash -580003924, now seen corresponding path program 1 times [2018-11-18 10:36:41,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:36:41,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:36:41,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:36:41,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:36:41,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:36:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:36:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:36:41,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:36:41,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:36:41,300 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-18 10:36:41,300 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:36:41,303 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:36:41,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:36:41,727 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:36:41,727 INFO L272 AbstractInterpreter]: Visited 126 different actions 375 times. Merged at 7 different actions 21 times. Never widened. Performed 4963 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4963 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:36:41,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:36:41,740 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:36:41,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:36:41,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/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 10:36:41,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:36:41,748 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:36:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:36:41,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:37:35,397 WARN L180 SmtUtils]: Spent 49.37 s on a formula simplification. DAG size of input: 500 DAG size of output: 61 [2018-11-18 10:37:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:37:35,492 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:37:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:37:35,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:37:35,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-18 10:37:35,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:37:35,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:37:35,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:37:35,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=49, Unknown=2, NotChecked=0, Total=72 [2018-11-18 10:37:35,601 INFO L87 Difference]: Start difference. First operand 3747 states and 4999 transitions. Second operand 3 states. [2018-11-18 10:37:36,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:37:36,220 INFO L93 Difference]: Finished difference Result 7368 states and 10411 transitions. [2018-11-18 10:37:36,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:37:36,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-11-18 10:37:36,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:37:36,231 INFO L225 Difference]: With dead ends: 7368 [2018-11-18 10:37:36,231 INFO L226 Difference]: Without dead ends: 4197 [2018-11-18 10:37:36,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 446 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 53.6s TimeCoverageRelationStatistics Valid=21, Invalid=49, Unknown=2, NotChecked=0, Total=72 [2018-11-18 10:37:36,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2018-11-18 10:37:36,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 3847. [2018-11-18 10:37:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3847 states. [2018-11-18 10:37:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5220 transitions. [2018-11-18 10:37:36,287 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5220 transitions. Word has length 224 [2018-11-18 10:37:36,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:37:36,288 INFO L480 AbstractCegarLoop]: Abstraction has 3847 states and 5220 transitions. [2018-11-18 10:37:36,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:37:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5220 transitions. [2018-11-18 10:37:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:37:36,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:37:36,291 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:37:36,291 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:37:36,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:37:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -679271153, now seen corresponding path program 1 times [2018-11-18 10:37:36,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:37:36,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:37:36,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:37:36,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:37:36,294 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:37:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:37:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 47 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:37:36,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:37:36,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:37:36,448 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-18 10:37:36,448 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:37:36,450 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:37:36,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:37:36,762 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:37:36,762 INFO L272 AbstractInterpreter]: Visited 125 different actions 488 times. Merged at 7 different actions 21 times. Never widened. Performed 6694 root evaluator evaluations with a maximum evaluation depth of 16. Performed 6694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:37:36,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:37:36,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:37:36,959 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 79.91% of their original sizes. [2018-11-18 10:37:36,959 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:37:37,012 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-18 10:37:37,012 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:37:37,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:37:37,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 10:37:37,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:37:37,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:37:37,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:37:37,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:37:37,013 INFO L87 Difference]: Start difference. First operand 3847 states and 5220 transitions. Second operand 10 states. [2018-11-18 10:38:57,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:38:57,825 INFO L93 Difference]: Finished difference Result 10897 states and 15963 transitions. [2018-11-18 10:38:57,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 10:38:57,825 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 237 [2018-11-18 10:38:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:38:57,842 INFO L225 Difference]: With dead ends: 10897 [2018-11-18 10:38:57,842 INFO L226 Difference]: Without dead ends: 7825 [2018-11-18 10:38:57,849 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 10:38:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2018-11-18 10:38:57,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 7663. [2018-11-18 10:38:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7663 states. [2018-11-18 10:38:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 10461 transitions. [2018-11-18 10:38:57,946 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 10461 transitions. Word has length 237 [2018-11-18 10:38:57,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:38:57,946 INFO L480 AbstractCegarLoop]: Abstraction has 7663 states and 10461 transitions. [2018-11-18 10:38:57,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:38:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 10461 transitions. [2018-11-18 10:38:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 10:38:57,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:38:57,949 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:38:57,950 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:38:57,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:38:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash 538556932, now seen corresponding path program 1 times [2018-11-18 10:38:57,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:38:57,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:38:57,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:38:57,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:38:57,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:38:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:38:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 10:38:58,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:38:58,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:38:58,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:38:58,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:38:58,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:38:58,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:38:58,044 INFO L87 Difference]: Start difference. First operand 7663 states and 10461 transitions. Second operand 4 states. [2018-11-18 10:38:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:38:59,260 INFO L93 Difference]: Finished difference Result 15664 states and 22014 transitions. [2018-11-18 10:38:59,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:38:59,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 252 [2018-11-18 10:38:59,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:38:59,287 INFO L225 Difference]: With dead ends: 15664 [2018-11-18 10:38:59,287 INFO L226 Difference]: Without dead ends: 8200 [2018-11-18 10:38:59,308 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:38:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8200 states. [2018-11-18 10:38:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8200 to 7925. [2018-11-18 10:38:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7925 states. [2018-11-18 10:38:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7925 states to 7925 states and 10945 transitions. [2018-11-18 10:38:59,448 INFO L78 Accepts]: Start accepts. Automaton has 7925 states and 10945 transitions. Word has length 252 [2018-11-18 10:38:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:38:59,448 INFO L480 AbstractCegarLoop]: Abstraction has 7925 states and 10945 transitions. [2018-11-18 10:38:59,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:38:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7925 states and 10945 transitions. [2018-11-18 10:38:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 10:38:59,455 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:38:59,456 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:59,456 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:38:59,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:38:59,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2081573900, now seen corresponding path program 1 times [2018-11-18 10:38:59,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:38:59,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:38:59,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:38:59,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:38:59,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:38:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:38:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 46 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 10:38:59,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:38:59,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:38:59,659 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-11-18 10:38:59,660 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [986], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:38:59,663 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:38:59,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:39:00,022 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:39:00,022 INFO L272 AbstractInterpreter]: Visited 181 different actions 540 times. Merged at 7 different actions 21 times. Never widened. Performed 7370 root evaluator evaluations with a maximum evaluation depth of 14. Performed 7370 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:39:00,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:00,028 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:39:00,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:39:00,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/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 10:39:00,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:00,037 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:39:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:00,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:39:03,819 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-11-18 10:39:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 46 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 10:39:03,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:39:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 10:39:03,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:39:03,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-18 10:39:03,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:39:03,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:39:03,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:39:03,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=47, Unknown=2, NotChecked=0, Total=72 [2018-11-18 10:39:03,956 INFO L87 Difference]: Start difference. First operand 7925 states and 10945 transitions. Second operand 3 states. [2018-11-18 10:39:04,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:39:04,577 INFO L93 Difference]: Finished difference Result 20485 states and 29442 transitions. [2018-11-18 10:39:04,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:39:04,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2018-11-18 10:39:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:39:04,605 INFO L225 Difference]: With dead ends: 20485 [2018-11-18 10:39:04,606 INFO L226 Difference]: Without dead ends: 12951 [2018-11-18 10:39:04,622 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 555 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=23, Invalid=47, Unknown=2, NotChecked=0, Total=72 [2018-11-18 10:39:04,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12951 states. [2018-11-18 10:39:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12951 to 11451. [2018-11-18 10:39:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11451 states. [2018-11-18 10:39:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 15443 transitions. [2018-11-18 10:39:04,839 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 15443 transitions. Word has length 278 [2018-11-18 10:39:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:39:04,839 INFO L480 AbstractCegarLoop]: Abstraction has 11451 states and 15443 transitions. [2018-11-18 10:39:04,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:39:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 15443 transitions. [2018-11-18 10:39:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 10:39:04,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:39:04,855 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 10:39:04,855 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:39:04,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:04,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1525878088, now seen corresponding path program 1 times [2018-11-18 10:39:04,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:39:04,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:04,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:04,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:04,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:39:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:39:05,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:39:05,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:39:05,044 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 322 with the following transitions: [2018-11-18 10:39:05,044 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:39:05,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:39:05,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:39:05,425 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:39:05,425 INFO L272 AbstractInterpreter]: Visited 127 different actions 378 times. Merged at 7 different actions 21 times. Never widened. Performed 4972 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4972 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:39:05,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:05,427 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:39:05,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:39:05,427 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:39:05,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:05,433 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:39:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:05,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:39:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:39:05,547 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:39:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:39:05,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:39:05,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 10:39:05,649 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:39:05,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:39:05,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:39:05,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:39:05,650 INFO L87 Difference]: Start difference. First operand 11451 states and 15443 transitions. Second operand 9 states. [2018-11-18 10:39:08,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:39:08,008 INFO L93 Difference]: Finished difference Result 25146 states and 42037 transitions. [2018-11-18 10:39:08,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:39:08,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 321 [2018-11-18 10:39:08,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:39:08,080 INFO L225 Difference]: With dead ends: 25146 [2018-11-18 10:39:08,080 INFO L226 Difference]: Without dead ends: 15509 [2018-11-18 10:39:08,121 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 648 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-11-18 10:39:08,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15509 states. [2018-11-18 10:39:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15509 to 15069. [2018-11-18 10:39:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15069 states. [2018-11-18 10:39:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15069 states to 15069 states and 22323 transitions. [2018-11-18 10:39:08,547 INFO L78 Accepts]: Start accepts. Automaton has 15069 states and 22323 transitions. Word has length 321 [2018-11-18 10:39:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:39:08,548 INFO L480 AbstractCegarLoop]: Abstraction has 15069 states and 22323 transitions. [2018-11-18 10:39:08,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:39:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 15069 states and 22323 transitions. [2018-11-18 10:39:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:39:08,561 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:39:08,562 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 10:39:08,562 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:39:08,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:08,562 INFO L82 PathProgramCache]: Analyzing trace with hash 415462941, now seen corresponding path program 1 times [2018-11-18 10:39:08,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:39:08,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:08,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:08,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:08,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:39:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:39:08,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:39:08,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:39:08,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-18 10:39:08,753 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:39:08,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:39:08,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:39:09,174 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:39:09,174 INFO L272 AbstractInterpreter]: Visited 127 different actions 378 times. Merged at 7 different actions 21 times. Never widened. Performed 4946 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4946 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:39:09,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:09,176 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:39:09,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:39:09,176 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:39:09,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:09,181 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:39:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:09,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:39:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:39:09,276 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:39:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:39:09,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:39:09,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 10:39:09,363 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:39:09,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:39:09,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:39:09,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:39:09,364 INFO L87 Difference]: Start difference. First operand 15069 states and 22323 transitions. Second operand 6 states. [2018-11-18 10:39:10,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:39:10,249 INFO L93 Difference]: Finished difference Result 30569 states and 50742 transitions. [2018-11-18 10:39:10,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:39:10,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 322 [2018-11-18 10:39:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:39:10,337 INFO L225 Difference]: With dead ends: 30569 [2018-11-18 10:39:10,337 INFO L226 Difference]: Without dead ends: 17205 [2018-11-18 10:39:10,400 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 645 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:39:10,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17205 states. [2018-11-18 10:39:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17205 to 16299. [2018-11-18 10:39:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16299 states. [2018-11-18 10:39:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16299 states to 16299 states and 22771 transitions. [2018-11-18 10:39:10,816 INFO L78 Accepts]: Start accepts. Automaton has 16299 states and 22771 transitions. Word has length 322 [2018-11-18 10:39:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:39:10,816 INFO L480 AbstractCegarLoop]: Abstraction has 16299 states and 22771 transitions. [2018-11-18 10:39:10,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:39:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16299 states and 22771 transitions. [2018-11-18 10:39:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-11-18 10:39:10,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:39:10,846 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2018-11-18 10:39:10,846 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:39:10,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash -425290735, now seen corresponding path program 1 times [2018-11-18 10:39:10,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:39:10,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:10,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:10,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:10,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:39:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 10:39:11,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:39:11,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:39:11,044 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:39:11,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:39:11,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:39:11,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:39:11,045 INFO L87 Difference]: Start difference. First operand 16299 states and 22771 transitions. Second operand 3 states. [2018-11-18 10:39:11,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:39:11,884 INFO L93 Difference]: Finished difference Result 35004 states and 51137 transitions. [2018-11-18 10:39:11,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:39:11,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 390 [2018-11-18 10:39:11,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:39:11,932 INFO L225 Difference]: With dead ends: 35004 [2018-11-18 10:39:11,932 INFO L226 Difference]: Without dead ends: 19286 [2018-11-18 10:39:11,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 10:39:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19286 states. [2018-11-18 10:39:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19286 to 19077. [2018-11-18 10:39:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19077 states. [2018-11-18 10:39:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19077 states to 19077 states and 25857 transitions. [2018-11-18 10:39:12,266 INFO L78 Accepts]: Start accepts. Automaton has 19077 states and 25857 transitions. Word has length 390 [2018-11-18 10:39:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:39:12,267 INFO L480 AbstractCegarLoop]: Abstraction has 19077 states and 25857 transitions. [2018-11-18 10:39:12,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:39:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 19077 states and 25857 transitions. [2018-11-18 10:39:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2018-11-18 10:39:12,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:39:12,298 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:12,298 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:39:12,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:39:12,299 INFO L82 PathProgramCache]: Analyzing trace with hash -326225717, now seen corresponding path program 1 times [2018-11-18 10:39:12,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:39:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:12,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:39:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:39:12,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:39:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:39:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-18 10:39:12,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:39:12,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:39:12,421 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:39:12,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:39:12,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:39:12,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:39:12,422 INFO L87 Difference]: Start difference. First operand 19077 states and 25857 transitions. Second operand 4 states. [2018-11-18 10:39:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:39:13,034 INFO L93 Difference]: Finished difference Result 36603 states and 49851 transitions. [2018-11-18 10:39:13,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:39:13,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 433 [2018-11-18 10:39:13,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:39:13,035 INFO L225 Difference]: With dead ends: 36603 [2018-11-18 10:39:13,035 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:39:13,098 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:39:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:39:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:39:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:39:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:39:13,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 433 [2018-11-18 10:39:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:39:13,099 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:39:13,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:39:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:39:13,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:39:13,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:39:13,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,726 WARN L180 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 216 [2018-11-18 10:39:13,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:13,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:39:14,180 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 285 [2018-11-18 10:39:14,890 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 69 [2018-11-18 10:39:15,572 WARN L180 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 65 [2018-11-18 10:39:16,245 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 61 [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= |old(~a25~0)| ~a25~0) (= ~a4~0 |old(~a4~0)|)) [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,247 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,248 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 10:39:16,249 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 10:39:16,250 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,251 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 10:39:16,252 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse10 (= ~a23~0 |old(~a23~0)|)) (.cse11 (= ~a4~0 |old(~a4~0)|))) (let ((.cse7 (= |calculate_output_#in~input| 0)) (.cse6 (not (= 1 ~a3~0))) (.cse4 (= 9 |old(~a25~0)|)) (.cse5 (<= |old(~a29~0)| 245)) (.cse3 (< 138 |old(~a23~0)|)) (.cse0 (not (= 15 ~a8~0))) (.cse2 (< 140 |old(~a29~0)|)) (.cse8 (not (= 1 |old(~a4~0)|))) (.cse1 (and .cse9 .cse10 (= |old(~a25~0)| ~a25~0) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= 13 |old(~a25~0)|) .cse4 .cse5 .cse1) (or .cse0 .cse6 .cse2 (= 0 |old(~a25~0)|) .cse7 (not (= 0 (mod |old(~a25~0)| 2))) .cse1) (or .cse0 (<= |old(~a23~0)| 306) .cse8 .cse1) (or .cse0 .cse8 .cse3 .cse1) (or (and .cse9 .cse10 (= ~a25~0 12) .cse11) .cse7 (or .cse0 .cse6 (not (= 12 |old(~a25~0)|)))) (or .cse0 .cse1 .cse3 .cse5) (or .cse1 .cse0 .cse4 .cse3) (or .cse1 .cse0 .cse8 .cse4) (or .cse0 .cse8 .cse1 .cse5) (or .cse8 (not (= |old(~a25~0)| 11)) .cse1 .cse3) (or .cse0 .cse2 .cse8 .cse1)))) [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,253 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 10:39:16,254 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 10:39:16,255 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 10:39:16,256 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,257 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,258 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,259 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a29~0 130) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 10:39:16,260 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:39:16,260 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:39:16,260 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (and (= ~a29~0 |old(~a29~0)|) (= ~a25~0 10) (= ~a23~0 312) (= ~a4~0 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-18 10:39:16,261 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 10:39:16,261 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (not (= 9 ~a25~0))) (.cse1 (<= ~a23~0 138)) (.cse5 (not (= main_~input~0 0))) (.cse4 (<= ~a29~0 140)) (.cse2 (< 245 ~a29~0)) (.cse3 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and .cse0 .cse1) (and (not (= ~a25~0 13)) .cse0 .cse2) (and (< 306 ~a23~0) .cse3) (not (= 130 |old(~a29~0)|)) (not (= 1 ~a3~0)) (and .cse0 .cse3) (and .cse1 .cse4) (and .cse1 .cse2) (and .cse1 .cse3) (not (= 312 |old(~a23~0)|)) (and .cse5 (= ~a25~0 12)) (and .cse3 .cse4) (and .cse5 (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse4) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse2 .cse3))) [2018-11-18 10:39:16,261 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 10:39:16,261 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 10:39:16,261 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 10:39:16,261 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (not (= 9 ~a25~0))) (.cse3 (< 245 ~a29~0)) (.cse4 (<= ~a23~0 138)) (.cse1 (= 1 ~a4~0)) (.cse2 (<= ~a29~0 140))) (or (not (= 130 |old(~a29~0)|)) (and .cse0 .cse1) (and (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse2) (and .cse3 .cse1) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse4) (and (not (= ~a25~0 13)) .cse0 .cse3) (and (< 306 ~a23~0) .cse1) (not (= 1 ~a3~0)) (and .cse4 .cse2) (and .cse4 .cse3) (and .cse4 .cse1) (not (= 312 |old(~a23~0)|)) (and .cse1 .cse2) (= ~a25~0 12) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)))) [2018-11-18 10:39:16,261 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 10:39:16,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:39:16 BoogieIcfgContainer [2018-11-18 10:39:16,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:39:16,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:39:16,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:39:16,271 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:39:16,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:22" (3/4) ... [2018-11-18 10:39:16,274 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:39:16,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:39:16,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:39:16,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:39:16,291 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:39:16,292 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:39:16,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(130 == \old(a29)) || (!(9 == a25) && 1 == a4)) || ((a25 % 2 == 0 && !(a25 == 0)) && a29 <= 140)) || (245 < a29 && 1 == a4)) || !(10 == \old(a25))) || (!(9 == a25) && a23 <= 138)) || ((!(a25 == 13) && !(9 == a25)) && 245 < a29)) || (306 < a23 && 1 == a4)) || !(1 == a3)) || (a23 <= 138 && a29 <= 140)) || (a23 <= 138 && 245 < a29)) || (a23 <= 138 && 1 == a4)) || !(312 == \old(a23))) || (1 == a4 && a29 <= 140)) || a25 == 12) || !(15 == a8)) || !(1 == \old(a4)) [2018-11-18 10:39:16,413 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_09e5f2ea-1a38-496a-8ebe-0d2076e81618/bin-2019/utaipan/witness.graphml [2018-11-18 10:39:16,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:39:16,414 INFO L168 Benchmark]: Toolchain (without parser) took 235968.74 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 956.6 MB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,414 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:39:16,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 900.2 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 900.2 MB in the beginning and 1.1 GB in the end (delta: -221.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,415 INFO L168 Benchmark]: Boogie Preprocessor took 61.68 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,415 INFO L168 Benchmark]: RCFGBuilder took 1111.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 167.8 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,416 INFO L168 Benchmark]: TraceAbstraction took 234054.17 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 945.8 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,416 INFO L168 Benchmark]: Witness Printer took 142.52 ms. Allocated memory is still 4.9 GB. Free memory was 3.6 GB in the beginning and 3.5 GB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:39:16,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 498.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 900.2 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 900.2 MB in the beginning and 1.1 GB in the end (delta: -221.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.68 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1111.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 167.8 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234054.17 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 945.8 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 142.52 ms. Allocated memory is still 4.9 GB. Free memory was 3.6 GB in the beginning and 3.5 GB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((!(130 == \old(a29)) || (!(9 == a25) && 1 == a4)) || ((a25 % 2 == 0 && !(a25 == 0)) && a29 <= 140)) || (245 < a29 && 1 == a4)) || !(10 == \old(a25))) || (!(9 == a25) && a23 <= 138)) || ((!(a25 == 13) && !(9 == a25)) && 245 < a29)) || (306 < a23 && 1 == a4)) || !(1 == a3)) || (a23 <= 138 && a29 <= 140)) || (a23 <= 138 && 245 < a29)) || (a23 <= 138 && 1 == a4)) || !(312 == \old(a23))) || (1 == a4 && a29 <= 140)) || a25 == 12) || !(15 == a8)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 234.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 165.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2895 SDtfs, 10865 SDslu, 2761 SDs, 0 SdLazy, 18508 SolverSat, 4051 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2816 GetRequests, 2694 SyntacticMatches, 13 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 58.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19077occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 6 AbstIntIterations, 2 AbstIntStrong, 0.9970983298335702 AbsIntWeakeningRatio, 0.1275 AbsIntAvgWeakeningVarsNumRemoved, 16.6975 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 4181 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 710 PreInvPairs, 1066 NumberOfFragments, 631 HoareAnnotationTreeSize, 710 FomulaSimplifications, 63970 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25463 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 59.0s InterpolantComputationTime, 4013 NumberOfCodeBlocks, 4013 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 5138 ConstructedInterpolants, 4 QuantifiedInterpolants, 3628464 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2054 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 3549/3861 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...