./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/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 b3ccc46b30bd9e1d865272aecfdf21618e4ebade ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:26:33,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:26:33,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:26:33,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:26:33,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:26:33,286 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:26:33,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:26:33,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:26:33,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:26:33,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:26:33,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:26:33,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:26:33,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:26:33,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:26:33,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:26:33,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:26:33,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:26:33,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:26:33,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:26:33,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:26:33,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:26:33,299 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:26:33,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:26:33,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:26:33,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:26:33,302 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:26:33,302 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:26:33,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:26:33,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:26:33,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:26:33,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:26:33,304 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:26:33,304 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:26:33,304 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:26:33,305 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:26:33,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:26:33,305 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:26:33,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:26:33,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:26:33,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:26:33,317 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:26:33,317 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:26:33,317 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:26:33,317 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:26:33,317 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:26:33,317 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:26:33,318 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:26:33,318 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:26:33,318 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:26:33,318 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:26:33,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:26:33,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:26:33,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:26:33,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:26:33,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:26:33,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:26:33,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:26:33,322 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_031df256-796b-4e1e-956e-1c62d61dd141/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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2018-11-22 23:26:33,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:26:33,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:26:33,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:26:33,360 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:26:33,360 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:26:33,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-11-22 23:26:33,409 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/data/7d5011824/4712662d3fa444b0a1fc3937b7da32ec/FLAGb39c324f4 [2018-11-22 23:26:33,809 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:26:33,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-11-22 23:26:33,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/data/7d5011824/4712662d3fa444b0a1fc3937b7da32ec/FLAGb39c324f4 [2018-11-22 23:26:34,169 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/data/7d5011824/4712662d3fa444b0a1fc3937b7da32ec [2018-11-22 23:26:34,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:26:34,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:26:34,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:26:34,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:26:34,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:26:34,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723e66a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34, skipping insertion in model container [2018-11-22 23:26:34,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:26:34,227 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:26:34,456 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:26:34,459 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:26:34,529 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:26:34,542 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:26:34,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34 WrapperNode [2018-11-22 23:26:34,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:26:34,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:26:34,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:26:34,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:26:34,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:26:34,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:26:34,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:26:34,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:26:34,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... [2018-11-22 23:26:34,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:26:34,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:26:34,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:26:34,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:26:34,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/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 [2018-11-22 23:26:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:26:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:26:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:26:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:26:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:26:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:26:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:26:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:26:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:26:35,568 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:26:35,568 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:26:35,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:26:35 BoogieIcfgContainer [2018-11-22 23:26:35,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:26:35,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:26:35,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:26:35,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:26:35,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:26:34" (1/3) ... [2018-11-22 23:26:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a616152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:26:35, skipping insertion in model container [2018-11-22 23:26:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:26:34" (2/3) ... [2018-11-22 23:26:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a616152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:26:35, skipping insertion in model container [2018-11-22 23:26:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:26:35" (3/3) ... [2018-11-22 23:26:35,573 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label37_true-unreach-call.c [2018-11-22 23:26:35,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:26:35,586 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:26:35,597 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:26:35,622 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:26:35,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:26:35,622 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:26:35,622 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:26:35,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:26:35,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:26:35,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:26:35,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:26:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-22 23:26:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 23:26:35,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:35,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:35,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:35,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:35,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2018-11-22 23:26:35,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:35,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:35,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:35,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:35,694 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:35,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:35,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:26:35,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:35,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:26:35,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:26:35,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:26:35,920 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-11-22 23:26:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:36,810 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-11-22 23:26:36,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:26:36,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-22 23:26:36,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:36,823 INFO L225 Difference]: With dead ends: 733 [2018-11-22 23:26:36,823 INFO L226 Difference]: Without dead ends: 512 [2018-11-22 23:26:36,829 INFO L631 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 [2018-11-22 23:26:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-22 23:26:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 354. [2018-11-22 23:26:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-22 23:26:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 577 transitions. [2018-11-22 23:26:36,880 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 577 transitions. Word has length 60 [2018-11-22 23:26:36,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:36,881 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 577 transitions. [2018-11-22 23:26:36,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:26:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 577 transitions. [2018-11-22 23:26:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-22 23:26:36,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:36,886 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:36,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:36,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash 597106810, now seen corresponding path program 1 times [2018-11-22 23:26:36,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:36,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:36,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:36,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:36,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:37,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:37,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:26:37,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:37,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:26:37,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:26:37,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:26:37,031 INFO L87 Difference]: Start difference. First operand 354 states and 577 transitions. Second operand 6 states. [2018-11-22 23:26:37,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:37,870 INFO L93 Difference]: Finished difference Result 1251 states and 2154 transitions. [2018-11-22 23:26:37,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:26:37,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-22 23:26:37,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:37,878 INFO L225 Difference]: With dead ends: 1251 [2018-11-22 23:26:37,878 INFO L226 Difference]: Without dead ends: 903 [2018-11-22 23:26:37,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:26:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-11-22 23:26:37,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 891. [2018-11-22 23:26:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2018-11-22 23:26:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1366 transitions. [2018-11-22 23:26:37,920 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1366 transitions. Word has length 134 [2018-11-22 23:26:37,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:37,921 INFO L480 AbstractCegarLoop]: Abstraction has 891 states and 1366 transitions. [2018-11-22 23:26:37,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:26:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1366 transitions. [2018-11-22 23:26:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-22 23:26:37,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:37,925 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:26:37,925 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:37,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:37,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1573383766, now seen corresponding path program 1 times [2018-11-22 23:26:37,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:37,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:37,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:37,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:37,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:38,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:38,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:26:38,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:38,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:26:38,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:26:38,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:26:38,037 INFO L87 Difference]: Start difference. First operand 891 states and 1366 transitions. Second operand 6 states. [2018-11-22 23:26:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:38,909 INFO L93 Difference]: Finished difference Result 2346 states and 3752 transitions. [2018-11-22 23:26:38,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:26:38,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-22 23:26:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:38,914 INFO L225 Difference]: With dead ends: 2346 [2018-11-22 23:26:38,914 INFO L226 Difference]: Without dead ends: 1461 [2018-11-22 23:26:38,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:26:38,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2018-11-22 23:26:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1444. [2018-11-22 23:26:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-11-22 23:26:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2101 transitions. [2018-11-22 23:26:38,946 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2101 transitions. Word has length 136 [2018-11-22 23:26:38,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:38,947 INFO L480 AbstractCegarLoop]: Abstraction has 1444 states and 2101 transitions. [2018-11-22 23:26:38,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:26:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2101 transitions. [2018-11-22 23:26:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 23:26:38,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:38,949 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:26:38,949 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:38,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:38,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1984546499, now seen corresponding path program 1 times [2018-11-22 23:26:38,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:38,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:38,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:38,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:38,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:39,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:39,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:26:39,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:39,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:26:39,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:26:39,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:26:39,031 INFO L87 Difference]: Start difference. First operand 1444 states and 2101 transitions. Second operand 4 states. [2018-11-22 23:26:39,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:39,663 INFO L93 Difference]: Finished difference Result 3174 states and 4697 transitions. [2018-11-22 23:26:39,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:26:39,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-22 23:26:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:39,670 INFO L225 Difference]: With dead ends: 3174 [2018-11-22 23:26:39,670 INFO L226 Difference]: Without dead ends: 1736 [2018-11-22 23:26:39,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:26:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2018-11-22 23:26:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1734. [2018-11-22 23:26:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2018-11-22 23:26:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2365 transitions. [2018-11-22 23:26:39,703 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2365 transitions. Word has length 139 [2018-11-22 23:26:39,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:39,703 INFO L480 AbstractCegarLoop]: Abstraction has 1734 states and 2365 transitions. [2018-11-22 23:26:39,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:26:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2365 transitions. [2018-11-22 23:26:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-22 23:26:39,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:39,706 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:39,706 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:39,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:39,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2018-11-22 23:26:39,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:39,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:39,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:39,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:39,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:39,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:39,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:26:39,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:39,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:26:39,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:26:39,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:26:39,796 INFO L87 Difference]: Start difference. First operand 1734 states and 2365 transitions. Second operand 6 states. [2018-11-22 23:26:40,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:40,336 INFO L93 Difference]: Finished difference Result 3967 states and 5581 transitions. [2018-11-22 23:26:40,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:26:40,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-22 23:26:40,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:40,344 INFO L225 Difference]: With dead ends: 3967 [2018-11-22 23:26:40,344 INFO L226 Difference]: Without dead ends: 2239 [2018-11-22 23:26:40,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:26:40,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2018-11-22 23:26:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2197. [2018-11-22 23:26:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2197 states. [2018-11-22 23:26:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 2875 transitions. [2018-11-22 23:26:40,390 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 2875 transitions. Word has length 155 [2018-11-22 23:26:40,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:40,390 INFO L480 AbstractCegarLoop]: Abstraction has 2197 states and 2875 transitions. [2018-11-22 23:26:40,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:26:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2875 transitions. [2018-11-22 23:26:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-22 23:26:40,395 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:40,395 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:40,396 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:40,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1010882157, now seen corresponding path program 1 times [2018-11-22 23:26:40,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:40,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:40,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:40,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:40,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-22 23:26:40,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:40,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:26:40,516 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-22 23:26:40,517 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [570], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-22 23:26:40,549 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:26:40,549 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:26:40,807 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:26:40,808 INFO L272 AbstractInterpreter]: Visited 93 different actions 93 times. Never merged. Never widened. Performed 848 root evaluator evaluations with a maximum evaluation depth of 9. Performed 848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 23:26:40,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:40,828 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:26:41,108 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 73.52% of their original sizes. [2018-11-22 23:26:41,109 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:26:41,143 INFO L415 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-11-22 23:26:41,144 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:26:41,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:26:41,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-22 23:26:41,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:41,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:26:41,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:26:41,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:26:41,146 INFO L87 Difference]: Start difference. First operand 2197 states and 2875 transitions. Second operand 6 states. [2018-11-22 23:26:45,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:45,452 INFO L93 Difference]: Finished difference Result 4532 states and 5938 transitions. [2018-11-22 23:26:45,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:26:45,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-11-22 23:26:45,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:45,459 INFO L225 Difference]: With dead ends: 4532 [2018-11-22 23:26:45,459 INFO L226 Difference]: Without dead ends: 2341 [2018-11-22 23:26:45,463 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:26:45,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2018-11-22 23:26:45,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 2340. [2018-11-22 23:26:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2340 states. [2018-11-22 23:26:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 2340 states and 3026 transitions. [2018-11-22 23:26:45,497 INFO L78 Accepts]: Start accepts. Automaton has 2340 states and 3026 transitions. Word has length 228 [2018-11-22 23:26:45,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:45,498 INFO L480 AbstractCegarLoop]: Abstraction has 2340 states and 3026 transitions. [2018-11-22 23:26:45,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:26:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3026 transitions. [2018-11-22 23:26:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-22 23:26:45,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:45,503 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:45,503 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:45,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:45,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1371500715, now seen corresponding path program 1 times [2018-11-22 23:26:45,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:45,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:45,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:45,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:45,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 107 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-22 23:26:45,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:45,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:26:45,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-22 23:26:45,654 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-22 23:26:45,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:26:45,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:26:45,905 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:26:45,906 INFO L272 AbstractInterpreter]: Visited 130 different actions 384 times. Merged at 6 different actions 15 times. Never widened. Performed 4157 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 23:26:45,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:45,913 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:26:45,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:45,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/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 [2018-11-22 23:26:45,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:45,927 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:26:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:45,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:26:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:46,072 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:26:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:26:46,207 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:26:46,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-22 23:26:46,208 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:26:46,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-22 23:26:46,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-22 23:26:46,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:26:46,209 INFO L87 Difference]: Start difference. First operand 2340 states and 3026 transitions. Second operand 11 states. [2018-11-22 23:26:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:48,068 INFO L93 Difference]: Finished difference Result 6956 states and 9425 transitions. [2018-11-22 23:26:48,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-22 23:26:48,069 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-11-22 23:26:48,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:48,075 INFO L225 Difference]: With dead ends: 6956 [2018-11-22 23:26:48,075 INFO L226 Difference]: Without dead ends: 2497 [2018-11-22 23:26:48,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 524 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-22 23:26:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2018-11-22 23:26:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2348. [2018-11-22 23:26:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2348 states. [2018-11-22 23:26:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 2697 transitions. [2018-11-22 23:26:48,130 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 2697 transitions. Word has length 260 [2018-11-22 23:26:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:48,131 INFO L480 AbstractCegarLoop]: Abstraction has 2348 states and 2697 transitions. [2018-11-22 23:26:48,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-22 23:26:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2697 transitions. [2018-11-22 23:26:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-22 23:26:48,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:48,137 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:48,137 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:48,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:48,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1088611893, now seen corresponding path program 1 times [2018-11-22 23:26:48,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:48,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:48,139 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:26:48,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:48,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:26:48,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:48,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:26:48,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:26:48,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:26:48,324 INFO L87 Difference]: Start difference. First operand 2348 states and 2697 transitions. Second operand 4 states. [2018-11-22 23:26:48,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:48,718 INFO L93 Difference]: Finished difference Result 2493 states and 2848 transitions. [2018-11-22 23:26:48,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:26:48,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 316 [2018-11-22 23:26:48,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:48,719 INFO L225 Difference]: With dead ends: 2493 [2018-11-22 23:26:48,719 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:26:48,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:26:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:26:48,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:26:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:26:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:26:48,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2018-11-22 23:26:48,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:48,723 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:26:48,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:26:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:26:48,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:26:48,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:26:48,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:48,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:48,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:48,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:49,229 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2018-11-22 23:26:49,418 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2018-11-22 23:26:49,612 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 51 [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-22 23:26:49,614 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,615 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-22 23:26:49,616 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 23:26:49,617 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-22 23:26:49,618 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,619 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,620 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,621 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-22 23:26:49,622 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (<= ~a1~0 38)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse7 (= |old(~a10~0)| ~a10~0))) (let ((.cse5 (< 8 |old(~a19~0)|)) (.cse0 (not (= 9 |old(~a19~0)|))) (.cse1 (and .cse9 .cse7)) (.cse2 (= 3 |old(~a10~0)|)) (.cse4 (and .cse9 .cse8 .cse7)) (.cse6 (= 4 |old(~a10~0)|)) (.cse3 (< 38 |old(~a1~0)|))) (and (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (= |calculate_output_#in~input| 0) (= ~a1~0 23) (not (= 0 ~a12~0)) .cse0 (not (= 0 |old(~a10~0)|))) (or (not (= 1 |old(~a10~0)|)) .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse5 .cse1) (or (and (<= ~a19~0 |old(~a19~0)|) .cse7 (<= 9 ~a19~0)) .cse0) (or .cse3 .cse5 .cse4 (= 8 |old(~a19~0)|)) (or .cse3 .cse0 .cse8) (or .cse2 (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) .cse1) (or .cse2 .cse4 .cse6 .cse3)))) [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 23:26:49,623 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,624 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,625 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 23:26:49,626 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-22 23:26:49,627 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0))) [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-22 23:26:49,627 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse0 (not (= ~a10~0 3))) (.cse3 (not (= ~a19~0 10))) (.cse2 (not (= 4 ~a10~0)))) (or (= 1 ~a10~0) (and .cse0 .cse1 .cse2) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) (and .cse0 .cse3)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (and .cse0 .cse3 .cse2))) [2018-11-22 23:26:49,627 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-22 23:26:49,628 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-22 23:26:49,628 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse0 (not (= ~a10~0 3))) (.cse3 (not (= ~a19~0 10))) (.cse2 (not (= 4 ~a10~0)))) (or (= 1 ~a10~0) (and .cse0 .cse1 .cse2) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) (and .cse0 .cse3)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (and .cse0 .cse3 .cse2))) [2018-11-22 23:26:49,628 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-22 23:26:49,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:26:49 BoogieIcfgContainer [2018-11-22 23:26:49,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:26:49,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:26:49,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:26:49,637 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:26:49,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:26:35" (3/4) ... [2018-11-22 23:26:49,643 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:26:49,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:26:49,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:26:49,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:26:49,659 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:26:49,660 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:26:49,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == a10 || ((!(a10 == 3) && a1 <= 38) && !(4 == a10))) || (a19 <= \old(a19) && 9 <= a19)) || !(23 == \old(a1))) || (!(7 == a19) && !(a10 == 3) && !(a19 == 10))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || ((a1 <= 38 && !(a19 == 8)) && a19 <= 8)) || ((!(a10 == 3) && !(a19 == 10)) && !(4 == a10)) [2018-11-22 23:26:49,763 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_031df256-796b-4e1e-956e-1c62d61dd141/bin-2019/utaipan/witness.graphml [2018-11-22 23:26:49,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:26:49,765 INFO L168 Benchmark]: Toolchain (without parser) took 15592.91 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 965.7 MB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -617.8 MB). Peak memory consumption was 348.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,766 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:26:49,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.48 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -225.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,766 INFO L168 Benchmark]: Boogie Preprocessor took 57.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,767 INFO L168 Benchmark]: RCFGBuilder took 889.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,767 INFO L168 Benchmark]: TraceAbstraction took 14067.51 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 814.2 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -534.1 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:49,767 INFO L168 Benchmark]: Witness Printer took 126.80 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-22 23:26:49,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.48 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -225.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 889.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14067.51 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 814.2 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -534.1 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. * Witness Printer took 126.80 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((1 == a10 || ((!(a10 == 3) && a1 <= 38) && !(4 == a10))) || (a19 <= \old(a19) && 9 <= a19)) || !(23 == \old(a1))) || (!(7 == a19) && !(a10 == 3) && !(a19 == 10))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || ((a1 <= 38 && !(a19 == 8)) && a19 <= 8)) || ((!(a10 == 3) && !(a19 == 10)) && !(4 == a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 14.0s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 10.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 804 SDtfs, 5528 SDslu, 816 SDs, 0 SdLazy, 8280 SolverSat, 1735 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 825 GetRequests, 763 SyntacticMatches, 7 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2348occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9975198810000575 AbsIntWeakeningRatio, 0.1145374449339207 AbsIntAvgWeakeningVarsNumRemoved, 15.48898678414097 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 381 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 81 PreInvPairs, 143 NumberOfFragments, 384 HoareAnnotationTreeSize, 81 FomulaSimplifications, 4222 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4246 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1688 NumberOfCodeBlocks, 1688 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1938 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246703 SizeOfPredicates, 1 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 1065/1174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...