./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/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 5d9d392c14a131e49f1eaea557bfd69667def3c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:41:43,088 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:41:43,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:41:43,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:41:43,109 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:41:43,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:41:43,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:41:43,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:41:43,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:41:43,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:41:43,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:41:43,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:41:43,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:41:43,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:41:43,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:41:43,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:41:43,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:41:43,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:41:43,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:41:43,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:41:43,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:41:43,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:41:43,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:41:43,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:41:43,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:41:43,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:41:43,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:41:43,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:41:43,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:41:43,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:41:43,169 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:41:43,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:41:43,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:41:43,170 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:41:43,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:41:43,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:41:43,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:41:43,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:41:43,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:41:43,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:41:43,223 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:41:43,223 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:41:43,224 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:41:43,224 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:41:43,225 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:41:43,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:41:43,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:41:43,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:41:43,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:41:43,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:41:43,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:41:43,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:41:43,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:41:43,235 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:41:43,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:41:43,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:41:43,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:41:43,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:41:43,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:41:43,237 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_382d1960-33a0-474a-92cf-c3b6a31bdbe9/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 -> 5d9d392c14a131e49f1eaea557bfd69667def3c2 [2018-11-18 17:41:43,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:41:43,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:41:43,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:41:43,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:41:43,319 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:41:43,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-18 17:41:43,399 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/data/a01380222/4855a5586d63437e98e3db84b92019d7/FLAGeb012c1be [2018-11-18 17:41:43,903 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:41:43,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-18 17:41:43,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/data/a01380222/4855a5586d63437e98e3db84b92019d7/FLAGeb012c1be [2018-11-18 17:41:44,355 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/data/a01380222/4855a5586d63437e98e3db84b92019d7 [2018-11-18 17:41:44,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:41:44,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:41:44,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:41:44,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:41:44,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:41:44,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:41:44" (1/1) ... [2018-11-18 17:41:44,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74db7457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:44, skipping insertion in model container [2018-11-18 17:41:44,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:41:44" (1/1) ... [2018-11-18 17:41:44,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:41:44,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:41:44,886 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:41:44,890 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:41:45,026 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:41:45,052 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:41:45,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45 WrapperNode [2018-11-18 17:41:45,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:41:45,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:41:45,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:41:45,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:41:45,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:41:45,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:41:45,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:41:45,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:41:45,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... [2018-11-18 17:41:45,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:41:45,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:41:45,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:41:45,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:41:45,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:41:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:41:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:41:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:41:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:41:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:41:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:41:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:41:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:41:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:41:49,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:41:49,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:49 BoogieIcfgContainer [2018-11-18 17:41:49,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:41:49,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:41:49,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:41:49,052 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:41:49,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:41:44" (1/3) ... [2018-11-18 17:41:49,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732b2d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:41:49, skipping insertion in model container [2018-11-18 17:41:49,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:45" (2/3) ... [2018-11-18 17:41:49,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732b2d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:41:49, skipping insertion in model container [2018-11-18 17:41:49,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:49" (3/3) ... [2018-11-18 17:41:49,058 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label20_true-unreach-call.c [2018-11-18 17:41:49,069 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:41:49,083 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:41:49,112 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:41:49,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:41:49,206 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:41:49,206 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:41:49,207 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:41:49,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:41:49,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:41:49,208 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:41:49,208 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:41:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 17:41:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:41:49,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:41:49,263 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] [2018-11-18 17:41:49,265 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:41:49,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:41:49,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2089647903, now seen corresponding path program 1 times [2018-11-18 17:41:49,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:41:49,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:49,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:41:49,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:49,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:41:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:49,953 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:41:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:49,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:41:49,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:41:49,969 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:41:49,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:41:49,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:41:49,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:41:49,987 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 17:41:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:41:53,323 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 17:41:53,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:41:53,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-11-18 17:41:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:41:53,339 INFO L225 Difference]: With dead ends: 574 [2018-11-18 17:41:53,339 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 17:41:53,346 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:41:53,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 17:41:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 17:41:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 17:41:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 17:41:53,413 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 35 [2018-11-18 17:41:53,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:41:53,414 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 17:41:53,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:41:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 17:41:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 17:41:53,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:41:53,420 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:41:53,421 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:41:53,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:41:53,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1879649099, now seen corresponding path program 1 times [2018-11-18 17:41:53,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:41:53,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:53,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:41:53,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:53,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:41:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:53,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:41:53,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:41:53,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:41:53,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:41:53,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:41:53,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:41:53,734 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 17:41:55,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:41:55,810 INFO L93 Difference]: Finished difference Result 1288 states and 2312 transitions. [2018-11-18 17:41:55,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:41:55,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-11-18 17:41:55,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:41:55,817 INFO L225 Difference]: With dead ends: 1288 [2018-11-18 17:41:55,817 INFO L226 Difference]: Without dead ends: 938 [2018-11-18 17:41:55,826 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:41:55,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-11-18 17:41:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 923. [2018-11-18 17:41:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2018-11-18 17:41:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1440 transitions. [2018-11-18 17:41:55,896 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1440 transitions. Word has length 118 [2018-11-18 17:41:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:41:55,897 INFO L480 AbstractCegarLoop]: Abstraction has 923 states and 1440 transitions. [2018-11-18 17:41:55,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:41:55,897 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1440 transitions. [2018-11-18 17:41:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 17:41:55,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:41:55,904 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:41:55,904 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:41:55,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:41:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash 820065387, now seen corresponding path program 1 times [2018-11-18 17:41:55,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:41:55,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:55,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:41:55,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:41:55,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:41:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:56,175 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:41:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:56,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:41:56,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:41:56,245 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:41:56,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:41:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:41:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:41:56,247 INFO L87 Difference]: Start difference. First operand 923 states and 1440 transitions. Second operand 6 states. [2018-11-18 17:42:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:00,482 INFO L93 Difference]: Finished difference Result 2531 states and 4077 transitions. [2018-11-18 17:42:00,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:42:00,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-18 17:42:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:00,535 INFO L225 Difference]: With dead ends: 2531 [2018-11-18 17:42:00,535 INFO L226 Difference]: Without dead ends: 1614 [2018-11-18 17:42:00,543 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:42:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2018-11-18 17:42:00,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1583. [2018-11-18 17:42:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2018-11-18 17:42:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2316 transitions. [2018-11-18 17:42:00,709 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2316 transitions. Word has length 134 [2018-11-18 17:42:00,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:00,713 INFO L480 AbstractCegarLoop]: Abstraction has 1583 states and 2316 transitions. [2018-11-18 17:42:00,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2316 transitions. [2018-11-18 17:42:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 17:42:00,725 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:00,725 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:42:00,725 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:00,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:00,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1308687845, now seen corresponding path program 1 times [2018-11-18 17:42:00,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:00,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:00,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:00,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:00,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:01,303 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:42:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:01,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:01,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:42:01,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:01,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:42:01,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:42:01,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:42:01,745 INFO L87 Difference]: Start difference. First operand 1583 states and 2316 transitions. Second operand 6 states. [2018-11-18 17:42:03,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:03,087 INFO L93 Difference]: Finished difference Result 3502 states and 5312 transitions. [2018-11-18 17:42:03,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:42:03,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-18 17:42:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:03,101 INFO L225 Difference]: With dead ends: 3502 [2018-11-18 17:42:03,101 INFO L226 Difference]: Without dead ends: 1925 [2018-11-18 17:42:03,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:42:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2018-11-18 17:42:03,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1884. [2018-11-18 17:42:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1884 states. [2018-11-18 17:42:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2676 transitions. [2018-11-18 17:42:03,187 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2676 transitions. Word has length 158 [2018-11-18 17:42:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:03,189 INFO L480 AbstractCegarLoop]: Abstraction has 1884 states and 2676 transitions. [2018-11-18 17:42:03,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2676 transitions. [2018-11-18 17:42:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 17:42:03,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:03,199 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:03,199 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:03,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:03,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1100982905, now seen corresponding path program 1 times [2018-11-18 17:42:03,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:03,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:03,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:03,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:03,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:03,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:03,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:03,607 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-18 17:42:03,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:42:03,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:03,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:05,319 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:05,321 INFO L272 AbstractInterpreter]: Visited 92 different actions 352 times. Merged at 7 different actions 20 times. Never widened. Performed 3357 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3357 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:42:05,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:05,440 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:05,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:05,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:42:05,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:05,539 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:05,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:06,235 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:06,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:42:06,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:42:06,566 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:42:06,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:42:06,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:42:06,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:42:06,567 INFO L87 Difference]: Start difference. First operand 1884 states and 2676 transitions. Second operand 9 states. [2018-11-18 17:42:10,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:10,767 INFO L93 Difference]: Finished difference Result 5481 states and 8943 transitions. [2018-11-18 17:42:10,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:42:10,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-11-18 17:42:10,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:10,811 INFO L225 Difference]: With dead ends: 5481 [2018-11-18 17:42:10,812 INFO L226 Difference]: Without dead ends: 3603 [2018-11-18 17:42:10,847 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:42:10,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2018-11-18 17:42:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3515. [2018-11-18 17:42:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2018-11-18 17:42:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4912 transitions. [2018-11-18 17:42:11,026 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4912 transitions. Word has length 189 [2018-11-18 17:42:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:11,026 INFO L480 AbstractCegarLoop]: Abstraction has 3515 states and 4912 transitions. [2018-11-18 17:42:11,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:42:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4912 transitions. [2018-11-18 17:42:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 17:42:11,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:11,042 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:11,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:11,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:11,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1690324220, now seen corresponding path program 1 times [2018-11-18 17:42:11,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:11,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:11,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:11,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:11,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:11,565 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-18 17:42:11,566 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:42:11,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:11,572 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:12,022 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:42:12,022 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 780 root evaluator evaluations with a maximum evaluation depth of 14. Performed 780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 17:42:12,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:12,083 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:42:12,946 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.08% of their original sizes. [2018-11-18 17:42:12,946 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:42:13,439 INFO L415 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-11-18 17:42:13,439 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:42:13,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:42:13,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:42:13,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:13,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:42:13,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:42:13,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:42:13,441 INFO L87 Difference]: Start difference. First operand 3515 states and 4912 transitions. Second operand 6 states. [2018-11-18 17:42:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:32,672 INFO L93 Difference]: Finished difference Result 7170 states and 10016 transitions. [2018-11-18 17:42:32,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:32,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-18 17:42:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:32,689 INFO L225 Difference]: With dead ends: 7170 [2018-11-18 17:42:32,690 INFO L226 Difference]: Without dead ends: 3661 [2018-11-18 17:42:32,712 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2018-11-18 17:42:32,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3659. [2018-11-18 17:42:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3659 states. [2018-11-18 17:42:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5063 transitions. [2018-11-18 17:42:32,836 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5063 transitions. Word has length 196 [2018-11-18 17:42:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:32,836 INFO L480 AbstractCegarLoop]: Abstraction has 3659 states and 5063 transitions. [2018-11-18 17:42:32,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5063 transitions. [2018-11-18 17:42:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 17:42:32,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:32,856 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:32,856 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:32,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:32,857 INFO L82 PathProgramCache]: Analyzing trace with hash 487153689, now seen corresponding path program 1 times [2018-11-18 17:42:32,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:32,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:32,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:32,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:33,197 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:42:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 90 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 17:42:33,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:33,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:33,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-11-18 17:42:33,533 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:42:33,538 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:33,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:34,002 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:34,002 INFO L272 AbstractInterpreter]: Visited 93 different actions 280 times. Merged at 8 different actions 24 times. Never widened. Performed 2669 root evaluator evaluations with a maximum evaluation depth of 16. Performed 2669 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 17:42:34,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:34,026 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:34,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:34,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:42:34,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:34,038 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:34,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 17:42:34,504 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 165 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 17:42:34,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:42:34,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 17:42:34,746 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:42:34,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:42:34,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:42:34,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:42:34,747 INFO L87 Difference]: Start difference. First operand 3659 states and 5063 transitions. Second operand 11 states. [2018-11-18 17:42:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:39,516 INFO L93 Difference]: Finished difference Result 10624 states and 15923 transitions. [2018-11-18 17:42:39,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:42:39,517 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 276 [2018-11-18 17:42:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:39,534 INFO L225 Difference]: With dead ends: 10624 [2018-11-18 17:42:39,534 INFO L226 Difference]: Without dead ends: 2889 [2018-11-18 17:42:39,648 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 559 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:42:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2889 states. [2018-11-18 17:42:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2889 to 2352. [2018-11-18 17:42:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2352 states. [2018-11-18 17:42:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 2954 transitions. [2018-11-18 17:42:39,723 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 2954 transitions. Word has length 276 [2018-11-18 17:42:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:39,723 INFO L480 AbstractCegarLoop]: Abstraction has 2352 states and 2954 transitions. [2018-11-18 17:42:39,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:42:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2954 transitions. [2018-11-18 17:42:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 17:42:39,734 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:39,735 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:39,735 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:39,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:39,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1099525103, now seen corresponding path program 1 times [2018-11-18 17:42:39,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:39,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:39,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:39,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:39,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:40,342 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-11-18 17:42:40,790 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-18 17:42:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 17:42:40,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:40,988 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:40,989 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-11-18 17:42:40,989 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:42:41,000 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:41,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:41,442 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:41,442 INFO L272 AbstractInterpreter]: Visited 126 different actions 379 times. Merged at 8 different actions 25 times. Never widened. Performed 3920 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 17:42:41,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:41,470 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:41,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:41,471 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:42:41,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:41,578 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:41,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 17:42:42,088 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 17:42:42,728 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:42:42,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:42:42,728 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:42:42,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:42:42,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:42:42,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:42:42,730 INFO L87 Difference]: Start difference. First operand 2352 states and 2954 transitions. Second operand 9 states. [2018-11-18 17:42:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:45,198 INFO L93 Difference]: Finished difference Result 4431 states and 5628 transitions. [2018-11-18 17:42:45,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:42:45,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 312 [2018-11-18 17:42:45,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:45,212 INFO L225 Difference]: With dead ends: 4431 [2018-11-18 17:42:45,213 INFO L226 Difference]: Without dead ends: 2229 [2018-11-18 17:42:45,218 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 626 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:42:45,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2018-11-18 17:42:45,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2139. [2018-11-18 17:42:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2018-11-18 17:42:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2452 transitions. [2018-11-18 17:42:45,276 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2452 transitions. Word has length 312 [2018-11-18 17:42:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:45,277 INFO L480 AbstractCegarLoop]: Abstraction has 2139 states and 2452 transitions. [2018-11-18 17:42:45,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:42:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2452 transitions. [2018-11-18 17:42:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:42:45,285 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:45,286 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 17:42:45,286 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:45,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:45,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1034455459, now seen corresponding path program 1 times [2018-11-18 17:42:45,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:45,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:45,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:45,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:45,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:45,936 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-18 17:42:46,476 WARN L180 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-18 17:42:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 144 proven. 114 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 17:42:47,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:47,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:47,121 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-18 17:42:47,121 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:42:47,124 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:47,124 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:48,551 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:48,551 INFO L272 AbstractInterpreter]: Visited 126 different actions 376 times. Merged at 8 different actions 22 times. Never widened. Performed 3910 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3910 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 17:42:48,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:48,558 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:48,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:48,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:42:48,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:48,566 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:48,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-18 17:42:48,812 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-18 17:42:48,966 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:42:48,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 13 [2018-11-18 17:42:48,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:48,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:42:48,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:42:48,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:42:48,968 INFO L87 Difference]: Start difference. First operand 2139 states and 2452 transitions. Second operand 3 states. [2018-11-18 17:42:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:49,353 INFO L93 Difference]: Finished difference Result 4703 states and 5497 transitions. [2018-11-18 17:42:49,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:42:49,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2018-11-18 17:42:49,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:49,355 INFO L225 Difference]: With dead ends: 4703 [2018-11-18 17:42:49,355 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:42:49,364 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 644 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:42:49,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:42:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:42:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:42:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:42:49,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2018-11-18 17:42:49,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:49,365 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:42:49,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:42:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:42:49,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:42:49,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:42:49,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:49,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:49,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:49,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:49,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:49,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,232 WARN L180 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 164 [2018-11-18 17:42:50,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:50,548 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 161 [2018-11-18 17:42:51,019 WARN L180 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 15 [2018-11-18 17:42:51,374 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2018-11-18 17:42:51,904 WARN L180 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 39 [2018-11-18 17:42:52,309 WARN L180 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 46 [2018-11-18 17:42:52,809 WARN L180 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 46 [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,811 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,812 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 17:42:52,813 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:42:52,814 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,815 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,816 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,817 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 17:42:52,818 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 17:42:52,819 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,820 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 17:42:52,821 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a10~0)| ~a10~0)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (= 7 |old(~a19~0)|)) (.cse4 (< 2 |old(~a10~0)|)) (.cse3 (and (= |old(~a19~0)| ~a19~0) .cse0 .cse1))) (and (or (not (= 9 |old(~a19~0)|)) (and (<= ~a19~0 |old(~a19~0)|) .cse0 (<= 9 ~a19~0) .cse1)) (or (or (= 3 |old(~a10~0)|) .cse2 (= 10 |old(~a19~0)|)) .cse3) (or .cse3 .cse2 (< 8 |old(~a19~0)|) (= 8 |old(~a19~0)|)) (or .cse3 .cse2 .cse4) (or (< |old(~a10~0)| 1) .cse4 .cse3)))) [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,822 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 17:42:52,823 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 17:42:52,824 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 17:42:52,825 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:52,826 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-18 17:42:52,826 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:52,827 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 17:42:52,827 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= 1 ~a10~0) .cse0) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (not (= ~a10~0 3)) .cse1 (not (= ~a19~0 10))) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 14 ~a4~0)))) [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 17:42:52,827 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= 1 ~a10~0) .cse0) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (not (= ~a10~0 3)) .cse1 (not (= ~a19~0 10))) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 14 ~a4~0)))) [2018-11-18 17:42:52,827 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 17:42:52,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:42:52 BoogieIcfgContainer [2018-11-18 17:42:52,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:42:52,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:42:52,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:42:52,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:42:52,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:49" (3/4) ... [2018-11-18 17:42:52,876 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:42:52,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:42:52,884 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:42:52,885 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:42:52,897 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:42:52,898 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:42:52,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (1 <= a10 && a10 <= 2)) || (a19 <= \old(a19) && 9 <= a19)) || ((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10))) || (!(a19 == 7) && a10 <= 2)) || !(9 == \old(a19))) || ((!(a19 == 7) && !(a19 == 8)) && a19 <= 8)) || !(14 == a4) [2018-11-18 17:42:53,050 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_382d1960-33a0-474a-92cf-c3b6a31bdbe9/bin-2019/utaipan/witness.graphml [2018-11-18 17:42:53,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:42:53,051 INFO L168 Benchmark]: Toolchain (without parser) took 68692.13 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 957.1 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 509.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,052 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:42:53,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,053 INFO L168 Benchmark]: Boogie Preprocessor took 135.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,053 INFO L168 Benchmark]: RCFGBuilder took 3635.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,053 INFO L168 Benchmark]: TraceAbstraction took 63810.69 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,054 INFO L168 Benchmark]: Witness Printer took 191.06 ms. Allocated memory is still 3.5 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 364.0 kB). Peak memory consumption was 364.0 kB. Max. memory is 11.5 GB. [2018-11-18 17:42:53,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 219.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3635.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 63810.69 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 191.06 ms. Allocated memory is still 3.5 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 364.0 kB). Peak memory consumption was 364.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (1 <= a10 && a10 <= 2)) || (a19 <= \old(a19) && 9 <= a19)) || ((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10))) || (!(a19 == 7) && a10 <= 2)) || !(9 == \old(a19))) || ((!(a19 == 7) && !(a19 == 8)) && a19 <= 8)) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 63.6s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 42.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 958 SDtfs, 6246 SDslu, 1190 SDs, 0 SdLazy, 10826 SolverSat, 2127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2520 GetRequests, 2410 SyntacticMatches, 17 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3659occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.7s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9971128871128871 AbsIntWeakeningRatio, 0.13333333333333333 AbsIntAvgWeakeningVarsNumRemoved, 15.271794871794873 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 804 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 198 PreInvPairs, 332 NumberOfFragments, 292 HoareAnnotationTreeSize, 198 FomulaSimplifications, 25889 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8783 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 2839 NumberOfCodeBlocks, 2839 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3921 ConstructedInterpolants, 0 QuantifiedInterpolants, 3187272 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 3181/3542 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...