./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/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 e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:32:36,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:32:36,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:32:36,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:32:36,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:32:36,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:32:36,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:32:36,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:32:36,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:32:36,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:32:36,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:32:36,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:32:36,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:32:36,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:32:36,163 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:32:36,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:32:36,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:32:36,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:32:36,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:32:36,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:32:36,169 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:32:36,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:32:36,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:32:36,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:32:36,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:32:36,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:32:36,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:32:36,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:32:36,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:32:36,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:32:36,176 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:32:36,176 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:32:36,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:32:36,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:32:36,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:32:36,177 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:32:36,178 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:32:36,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:32:36,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:32:36,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:32:36,189 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:32:36,189 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:32:36,189 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:32:36,189 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:32:36,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:32:36,190 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:32:36,190 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:32:36,191 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:32:36,191 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:32:36,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:32:36,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:32:36,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:32:36,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:32:36,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:32:36,193 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:32:36,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:32:36,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:32:36,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:32:36,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:32:36,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:32:36,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:32:36,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:32:36,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:32:36,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:32:36,197 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:32:36,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:32:36,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:32:36,197 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:32:36,197 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_b52e4a88-7979-4c91-87b9-1a5fc05192f4/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 -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-11-18 09:32:36,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:32:36,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:32:36,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:32:36,240 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:32:36,240 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:32:36,240 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-18 09:32:36,285 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/data/2d55c2a2f/7eeeca7648854e2ba4267ad612a10dad/FLAGe65d2acad [2018-11-18 09:32:36,681 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:32:36,681 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-18 09:32:36,690 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/data/2d55c2a2f/7eeeca7648854e2ba4267ad612a10dad/FLAGe65d2acad [2018-11-18 09:32:37,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/data/2d55c2a2f/7eeeca7648854e2ba4267ad612a10dad [2018-11-18 09:32:37,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:32:37,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:32:37,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:32:37,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:32:37,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:32:37,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5f9526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37, skipping insertion in model container [2018-11-18 09:32:37,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:32:37,113 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:32:37,355 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:32:37,365 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:32:37,432 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:32:37,445 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:32:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37 WrapperNode [2018-11-18 09:32:37,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:32:37,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:32:37,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:32:37,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:32:37,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:32:37,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:32:37,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:32:37,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:32:37,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... [2018-11-18 09:32:37,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:32:37,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:32:37,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:32:37,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:32:37,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:32:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:32:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:32:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:32:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:32:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:32:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:32:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:32:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:32:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:32:39,270 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:32:39,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:32:39 BoogieIcfgContainer [2018-11-18 09:32:39,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:32:39,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:32:39,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:32:39,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:32:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:32:37" (1/3) ... [2018-11-18 09:32:39,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e62473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:32:39, skipping insertion in model container [2018-11-18 09:32:39,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:32:37" (2/3) ... [2018-11-18 09:32:39,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e62473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:32:39, skipping insertion in model container [2018-11-18 09:32:39,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:32:39" (3/3) ... [2018-11-18 09:32:39,285 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label00_true-unreach-call_false-termination.c [2018-11-18 09:32:39,294 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:32:39,302 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:32:39,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:32:39,343 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:32:39,344 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:32:39,344 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:32:39,344 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:32:39,344 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:32:39,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:32:39,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:32:39,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:32:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 09:32:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:32:39,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:39,374 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:39,376 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:39,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:39,381 INFO L82 PathProgramCache]: Analyzing trace with hash 117916544, now seen corresponding path program 1 times [2018-11-18 09:32:39,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:39,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:39,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:39,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:39,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:32:39,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:32:39,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:32:39,727 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:39,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:32:39,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:32:39,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:32:39,747 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 09:32:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:40,800 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 09:32:40,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:32:40,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-11-18 09:32:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:40,813 INFO L225 Difference]: With dead ends: 618 [2018-11-18 09:32:40,814 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 09:32:40,818 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:32:40,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 09:32:40,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 09:32:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 09:32:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 09:32:40,863 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 122 [2018-11-18 09:32:40,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:40,864 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 09:32:40,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:32:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 09:32:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 09:32:40,868 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:40,868 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:40,868 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:40,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:40,869 INFO L82 PathProgramCache]: Analyzing trace with hash -735277163, now seen corresponding path program 1 times [2018-11-18 09:32:40,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:40,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:40,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:40,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:40,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:32:40,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:32:40,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:32:40,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:40,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:32:40,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:32:40,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:32:40,968 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 09:32:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:41,756 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-18 09:32:41,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:32:41,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-18 09:32:41,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:41,761 INFO L225 Difference]: With dead ends: 1229 [2018-11-18 09:32:41,761 INFO L226 Difference]: Without dead ends: 856 [2018-11-18 09:32:41,764 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:32:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-18 09:32:41,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-18 09:32:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-18 09:32:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-18 09:32:41,804 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 138 [2018-11-18 09:32:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:41,804 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-18 09:32:41,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:32:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-18 09:32:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 09:32:41,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:41,809 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:41,809 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:41,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:41,810 INFO L82 PathProgramCache]: Analyzing trace with hash 336904770, now seen corresponding path program 1 times [2018-11-18 09:32:41,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:41,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:41,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:41,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:41,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:32:42,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:32:42,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:32:42,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:42,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:32:42,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:32:42,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:32:42,014 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 5 states. [2018-11-18 09:32:42,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:42,540 INFO L93 Difference]: Finished difference Result 1778 states and 2834 transitions. [2018-11-18 09:32:42,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:32:42,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-11-18 09:32:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:42,545 INFO L225 Difference]: With dead ends: 1778 [2018-11-18 09:32:42,545 INFO L226 Difference]: Without dead ends: 813 [2018-11-18 09:32:42,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:32:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-18 09:32:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2018-11-18 09:32:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-11-18 09:32:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1260 transitions. [2018-11-18 09:32:42,567 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1260 transitions. Word has length 149 [2018-11-18 09:32:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:42,567 INFO L480 AbstractCegarLoop]: Abstraction has 813 states and 1260 transitions. [2018-11-18 09:32:42,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:32:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1260 transitions. [2018-11-18 09:32:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 09:32:42,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:42,569 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:42,570 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:42,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:42,570 INFO L82 PathProgramCache]: Analyzing trace with hash 981001735, now seen corresponding path program 1 times [2018-11-18 09:32:42,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:42,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:42,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:42,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:42,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:32:42,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:32:42,696 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:32:42,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-18 09:32:42,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:32:42,731 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:32:42,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:32:43,079 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:32:43,080 INFO L272 AbstractInterpreter]: Visited 123 different actions 123 times. Never merged. Never widened. Performed 1358 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 09:32:43,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:43,091 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:32:43,351 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 80.95% of their original sizes. [2018-11-18 09:32:43,351 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:32:43,395 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-18 09:32:43,395 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:32:43,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:32:43,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 09:32:43,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:43,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:32:43,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:32:43,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:32:43,396 INFO L87 Difference]: Start difference. First operand 813 states and 1260 transitions. Second operand 6 states. [2018-11-18 09:32:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:46,283 INFO L93 Difference]: Finished difference Result 1770 states and 2737 transitions. [2018-11-18 09:32:46,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:32:46,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 190 [2018-11-18 09:32:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:46,288 INFO L225 Difference]: With dead ends: 1770 [2018-11-18 09:32:46,288 INFO L226 Difference]: Without dead ends: 963 [2018-11-18 09:32:46,290 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:32:46,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-11-18 09:32:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 960. [2018-11-18 09:32:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2018-11-18 09:32:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1414 transitions. [2018-11-18 09:32:46,312 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1414 transitions. Word has length 190 [2018-11-18 09:32:46,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:46,313 INFO L480 AbstractCegarLoop]: Abstraction has 960 states and 1414 transitions. [2018-11-18 09:32:46,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:32:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1414 transitions. [2018-11-18 09:32:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 09:32:46,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:46,316 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:46,317 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:46,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash -473493464, now seen corresponding path program 1 times [2018-11-18 09:32:46,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:46,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:46,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:46,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:46,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 73 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:32:46,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:32:46,461 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:32:46,461 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-18 09:32:46,461 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:32:46,465 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:32:46,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:32:46,773 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:32:46,773 INFO L272 AbstractInterpreter]: Visited 127 different actions 377 times. Merged at 7 different actions 18 times. Never widened. Performed 4234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 09:32:46,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:46,779 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:32:47,049 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 84.66% of their original sizes. [2018-11-18 09:32:47,050 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:32:47,128 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-18 09:32:47,129 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:32:47,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:32:47,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 09:32:47,129 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:47,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:32:47,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:32:47,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:32:47,130 INFO L87 Difference]: Start difference. First operand 960 states and 1414 transitions. Second operand 9 states. [2018-11-18 09:32:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:50,110 INFO L93 Difference]: Finished difference Result 2375 states and 3508 transitions. [2018-11-18 09:32:50,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:32:50,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2018-11-18 09:32:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:50,115 INFO L225 Difference]: With dead ends: 2375 [2018-11-18 09:32:50,116 INFO L226 Difference]: Without dead ends: 1421 [2018-11-18 09:32:50,118 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:32:50,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-11-18 09:32:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1341. [2018-11-18 09:32:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2018-11-18 09:32:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1893 transitions. [2018-11-18 09:32:50,150 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1893 transitions. Word has length 200 [2018-11-18 09:32:50,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:50,151 INFO L480 AbstractCegarLoop]: Abstraction has 1341 states and 1893 transitions. [2018-11-18 09:32:50,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:32:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1893 transitions. [2018-11-18 09:32:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 09:32:50,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:50,156 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:50,156 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:50,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2044529010, now seen corresponding path program 1 times [2018-11-18 09:32:50,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:50,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:50,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:50,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:50,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 09:32:50,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:32:50,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:32:50,241 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-18 09:32:50,241 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:32:50,245 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:32:50,245 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:32:50,401 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:32:50,401 INFO L272 AbstractInterpreter]: Visited 127 different actions 248 times. Merged at 5 different actions 5 times. Never widened. Performed 2688 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 09:32:50,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:50,423 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:32:50,592 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 80.94% of their original sizes. [2018-11-18 09:32:50,592 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:32:50,651 INFO L415 sIntCurrentIteration]: We unified 225 AI predicates to 225 [2018-11-18 09:32:50,651 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:32:50,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:32:50,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 09:32:50,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:32:50,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:32:50,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:32:50,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:32:50,652 INFO L87 Difference]: Start difference. First operand 1341 states and 1893 transitions. Second operand 10 states. [2018-11-18 09:32:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:53,654 INFO L93 Difference]: Finished difference Result 2975 states and 4172 transitions. [2018-11-18 09:32:53,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:32:53,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2018-11-18 09:32:53,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:53,659 INFO L225 Difference]: With dead ends: 2975 [2018-11-18 09:32:53,659 INFO L226 Difference]: Without dead ends: 1640 [2018-11-18 09:32:53,662 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 09:32:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2018-11-18 09:32:53,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1636. [2018-11-18 09:32:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-11-18 09:32:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2233 transitions. [2018-11-18 09:32:53,705 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2233 transitions. Word has length 226 [2018-11-18 09:32:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:53,705 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2233 transitions. [2018-11-18 09:32:53,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:32:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2233 transitions. [2018-11-18 09:32:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 09:32:53,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:32:53,712 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:32:53,713 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:32:53,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash -591739514, now seen corresponding path program 1 times [2018-11-18 09:32:53,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:32:53,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:53,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:53,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:32:53,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:32:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:32:53,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:32:53,979 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:32:53,979 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 09:32:53,979 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:32:53,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:32:53,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:32:54,177 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:32:54,177 INFO L272 AbstractInterpreter]: Visited 130 different actions 379 times. Merged at 8 different actions 17 times. Never widened. Performed 4464 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 09:32:54,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:32:54,183 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:32:54,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:32:54,183 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:32:54,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:32:54,192 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:32:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:32:54,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:32:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:32:54,387 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:32:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:32:54,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:32:54,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-18 09:32:54,542 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:32:54,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 09:32:54,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 09:32:54,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:32:54,544 INFO L87 Difference]: Start difference. First operand 1636 states and 2233 transitions. Second operand 15 states. [2018-11-18 09:32:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:32:56,185 INFO L93 Difference]: Finished difference Result 4419 states and 6174 transitions. [2018-11-18 09:32:56,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:32:56,186 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 230 [2018-11-18 09:32:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:32:56,187 INFO L225 Difference]: With dead ends: 4419 [2018-11-18 09:32:56,187 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:32:56,194 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 467 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-11-18 09:32:56,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:32:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:32:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:32:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:32:56,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2018-11-18 09:32:56,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:32:56,195 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:32:56,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 09:32:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:32:56,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:32:56,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:32:56,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:32:56,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:32:56,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:32:56,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:32:56,463 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2018-11-18 09:32:56,551 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 09:32:56,552 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 09:32:56,553 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:32:56,554 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 09:32:56,555 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 09:32:56,556 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 09:32:56,557 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,558 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 09:32:56,559 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,560 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,561 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 09:32:56,562 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 7 ~a17~0)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse7 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= 0 |old(~a28~0)|) (= ~a25~0 0) .cse2 (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) (or .cse0 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|)) (not (= |old(~a17~0)| 8))) (or .cse0 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 (and (= 7 ~a28~0) (= 1 ~a11~0) .cse6 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|)) .cse1 (not (= 1 |old(~a11~0)|)) .cse7))) [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,563 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,564 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:32:56,565 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 09:32:56,566 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:32:56,567 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 09:32:56,568 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:32:56,568 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:32:56,569 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 09:32:56,569 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 09:32:56,569 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 09:32:56,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:32:56 BoogieIcfgContainer [2018-11-18 09:32:56,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:32:56,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:32:56,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:32:56,581 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:32:56,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:32:39" (3/4) ... [2018-11-18 09:32:56,585 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:32:56,590 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:32:56,590 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:32:56,590 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:32:56,599 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:32:56,600 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:32:56,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 09:32:56,686 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b52e4a88-7979-4c91-87b9-1a5fc05192f4/bin-2019/utaipan/witness.graphml [2018-11-18 09:32:56,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:32:56,687 INFO L168 Benchmark]: Toolchain (without parser) took 19638.33 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 880.8 MB). Free memory was 957.0 MB in the beginning and 1.5 GB in the end (delta: -511.6 MB). Peak memory consumption was 369.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,687 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:32:56,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 927.5 MB in the beginning and 1.2 GB in the end (delta: -246.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,688 INFO L168 Benchmark]: Boogie Preprocessor took 55.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,688 INFO L168 Benchmark]: RCFGBuilder took 1685.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 96.9 MB). Peak memory consumption was 96.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,688 INFO L168 Benchmark]: TraceAbstraction took 17309.50 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 699.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -415.5 MB). Peak memory consumption was 284.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,689 INFO L168 Benchmark]: Witness Printer took 105.15 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:56,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 927.5 MB in the beginning and 1.2 GB in the end (delta: -246.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1685.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 96.9 MB). Peak memory consumption was 96.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17309.50 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 699.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -415.5 MB). Peak memory consumption was 284.4 MB. Max. memory is 11.5 GB. * Witness Printer took 105.15 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 12.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1158 SDtfs, 5837 SDslu, 1586 SDs, 0 SdLazy, 7838 SolverSat, 1555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1151 GetRequests, 1070 SyntacticMatches, 6 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1636occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.997516823106397 AbsIntWeakeningRatio, 0.200652528548124 AbsIntAvgWeakeningVarsNumRemoved, 26.512234910277325 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 120 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 89 NumberOfFragments, 294 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2002 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1411 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1485 NumberOfCodeBlocks, 1485 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 1010157 SizeOfPredicates, 1 NumberOfNonLiveVariables, 536 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 708/781 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...