./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/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 b953cc2449a7f939fba62b70833772464a0d90fd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:11:01,364 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:11:01,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:11:01,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:11:01,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:11:01,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:11:01,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:11:01,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:11:01,377 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:11:01,378 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:11:01,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:11:01,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:11:01,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:11:01,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:11:01,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:11:01,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:11:01,381 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:11:01,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:11:01,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:11:01,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:11:01,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:11:01,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:11:01,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:11:01,388 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:11:01,388 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:11:01,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:11:01,389 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:11:01,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:11:01,390 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:11:01,391 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:11:01,391 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:11:01,391 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:11:01,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:11:01,391 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:11:01,392 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:11:01,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:11:01,393 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:11:01,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:11:01,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:11:01,403 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:11:01,403 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:11:01,403 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:11:01,404 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:11:01,404 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:11:01,404 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:11:01,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:11:01,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:11:01,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:11:01,406 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:11:01,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:11:01,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:11:01,407 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:11:01,407 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_772b4e5c-6239-43c7-92df-01c87211639a/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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2018-11-23 04:11:01,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:11:01,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:11:01,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:11:01,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:11:01,444 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:11:01,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-23 04:11:01,486 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/data/81e1fce6a/115167fd275d4ae384036b5202f2a606/FLAG6386c7840 [2018-11-23 04:11:01,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:11:01,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-23 04:11:01,945 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/data/81e1fce6a/115167fd275d4ae384036b5202f2a606/FLAG6386c7840 [2018-11-23 04:11:01,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/data/81e1fce6a/115167fd275d4ae384036b5202f2a606 [2018-11-23 04:11:01,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:11:01,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:11:01,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:11:01,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:11:01,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:11:01,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:01" (1/1) ... [2018-11-23 04:11:01,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:01, skipping insertion in model container [2018-11-23 04:11:01,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:01" (1/1) ... [2018-11-23 04:11:01,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:11:02,006 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:11:02,255 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:11:02,258 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:11:02,324 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:11:02,334 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:11:02,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02 WrapperNode [2018-11-23 04:11:02,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:11:02,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:11:02,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:11:02,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:11:02,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:11:02,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:11:02,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:11:02,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:11:02,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... [2018-11-23 04:11:02,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:11:02,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:11:02,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:11:02,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:11:02,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/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 [2018-11-23 04:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:11:02,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:11:02,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:11:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:11:02,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:11:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:11:02,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:11:03,407 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:11:03,407 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:11:03,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:03 BoogieIcfgContainer [2018-11-23 04:11:03,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:11:03,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:11:03,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:11:03,411 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:11:03,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:11:01" (1/3) ... [2018-11-23 04:11:03,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:03, skipping insertion in model container [2018-11-23 04:11:03,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:02" (2/3) ... [2018-11-23 04:11:03,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:03, skipping insertion in model container [2018-11-23 04:11:03,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:03" (3/3) ... [2018-11-23 04:11:03,414 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label52_true-unreach-call_false-termination.c [2018-11-23 04:11:03,422 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:11:03,430 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:11:03,443 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:11:03,470 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:11:03,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:11:03,471 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:11:03,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:11:03,471 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:11:03,471 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:11:03,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:11:03,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:11:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 04:11:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 04:11:03,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:03,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:03,499 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:03,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:03,504 INFO L82 PathProgramCache]: Analyzing trace with hash -777531634, now seen corresponding path program 1 times [2018-11-23 04:11:03,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:03,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:03,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:03,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:03,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:03,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:03,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:11:03,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:03,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:11:03,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:11:03,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:11:03,875 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-11-23 04:11:04,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:04,636 INFO L93 Difference]: Finished difference Result 770 states and 1353 transitions. [2018-11-23 04:11:04,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:11:04,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-11-23 04:11:04,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:04,651 INFO L225 Difference]: With dead ends: 770 [2018-11-23 04:11:04,651 INFO L226 Difference]: Without dead ends: 528 [2018-11-23 04:11:04,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:11:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-23 04:11:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 526. [2018-11-23 04:11:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-11-23 04:11:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 918 transitions. [2018-11-23 04:11:04,726 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 918 transitions. Word has length 110 [2018-11-23 04:11:04,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:04,726 INFO L480 AbstractCegarLoop]: Abstraction has 526 states and 918 transitions. [2018-11-23 04:11:04,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:11:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 918 transitions. [2018-11-23 04:11:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 04:11:04,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:04,732 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 04:11:04,732 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:04,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:04,734 INFO L82 PathProgramCache]: Analyzing trace with hash 235870035, now seen corresponding path program 1 times [2018-11-23 04:11:04,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:04,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:04,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:04,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:04,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:04,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:04,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:11:04,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:04,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:11:04,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:11:04,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:11:04,823 INFO L87 Difference]: Start difference. First operand 526 states and 918 transitions. Second operand 6 states. [2018-11-23 04:11:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:05,406 INFO L93 Difference]: Finished difference Result 1689 states and 3105 transitions. [2018-11-23 04:11:05,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:11:05,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-23 04:11:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:05,413 INFO L225 Difference]: With dead ends: 1689 [2018-11-23 04:11:05,413 INFO L226 Difference]: Without dead ends: 1169 [2018-11-23 04:11:05,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:11:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2018-11-23 04:11:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1148. [2018-11-23 04:11:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1148 states. [2018-11-23 04:11:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1906 transitions. [2018-11-23 04:11:05,452 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1906 transitions. Word has length 130 [2018-11-23 04:11:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:05,453 INFO L480 AbstractCegarLoop]: Abstraction has 1148 states and 1906 transitions. [2018-11-23 04:11:05,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:11:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1906 transitions. [2018-11-23 04:11:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 04:11:05,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:05,459 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 04:11:05,459 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:05,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:05,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1290355991, now seen corresponding path program 1 times [2018-11-23 04:11:05,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:05,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:05,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:05,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:05,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:05,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:05,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:11:05,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:05,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:11:05,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:11:05,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:05,547 INFO L87 Difference]: Start difference. First operand 1148 states and 1906 transitions. Second operand 3 states. [2018-11-23 04:11:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:06,124 INFO L93 Difference]: Finished difference Result 3274 states and 5629 transitions. [2018-11-23 04:11:06,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:11:06,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-23 04:11:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:06,135 INFO L225 Difference]: With dead ends: 3274 [2018-11-23 04:11:06,135 INFO L226 Difference]: Without dead ends: 2132 [2018-11-23 04:11:06,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-11-23 04:11:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2128. [2018-11-23 04:11:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2128 states. [2018-11-23 04:11:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3385 transitions. [2018-11-23 04:11:06,204 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3385 transitions. Word has length 131 [2018-11-23 04:11:06,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:06,205 INFO L480 AbstractCegarLoop]: Abstraction has 2128 states and 3385 transitions. [2018-11-23 04:11:06,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:11:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3385 transitions. [2018-11-23 04:11:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 04:11:06,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:06,213 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 04:11:06,213 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:06,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:06,213 INFO L82 PathProgramCache]: Analyzing trace with hash 741521436, now seen corresponding path program 1 times [2018-11-23 04:11:06,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:06,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:06,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:06,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:06,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:06,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:06,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:06,346 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-11-23 04:11:06,348 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:11:06,381 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:06,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:06,700 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:11:06,701 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Performed 1234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 04:11:06,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:06,729 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:11:07,053 INFO L227 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 80.78% of their original sizes. [2018-11-23 04:11:07,054 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:11:07,095 INFO L415 sIntCurrentIteration]: We unified 182 AI predicates to 182 [2018-11-23 04:11:07,095 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:11:07,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:11:07,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-23 04:11:07,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:07,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:11:07,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:11:07,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:11:07,097 INFO L87 Difference]: Start difference. First operand 2128 states and 3385 transitions. Second operand 7 states. [2018-11-23 04:11:10,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:10,336 INFO L93 Difference]: Finished difference Result 4398 states and 6978 transitions. [2018-11-23 04:11:10,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:11:10,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2018-11-23 04:11:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:10,342 INFO L225 Difference]: With dead ends: 4398 [2018-11-23 04:11:10,342 INFO L226 Difference]: Without dead ends: 2276 [2018-11-23 04:11:10,346 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:11:10,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2018-11-23 04:11:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 2274. [2018-11-23 04:11:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2274 states. [2018-11-23 04:11:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3542 transitions. [2018-11-23 04:11:10,384 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3542 transitions. Word has length 183 [2018-11-23 04:11:10,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:10,384 INFO L480 AbstractCegarLoop]: Abstraction has 2274 states and 3542 transitions. [2018-11-23 04:11:10,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:11:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3542 transitions. [2018-11-23 04:11:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 04:11:10,389 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:10,389 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:10,389 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:10,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash -26312693, now seen corresponding path program 1 times [2018-11-23 04:11:10,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:10,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:10,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:10,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:10,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 84 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 04:11:10,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:10,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:10,473 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-11-23 04:11:10,474 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:11:10,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:10,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:10,603 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:11:10,603 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 2467 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2467 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 04:11:10,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:10,609 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:11:10,765 INFO L227 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 80.82% of their original sizes. [2018-11-23 04:11:10,765 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:11:10,828 INFO L415 sIntCurrentIteration]: We unified 191 AI predicates to 191 [2018-11-23 04:11:10,828 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:11:10,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:11:10,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-23 04:11:10,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:10,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:11:10,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:11:10,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:11:10,829 INFO L87 Difference]: Start difference. First operand 2274 states and 3542 transitions. Second operand 11 states. [2018-11-23 04:11:13,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:13,510 INFO L93 Difference]: Finished difference Result 4845 states and 7517 transitions. [2018-11-23 04:11:13,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 04:11:13,510 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2018-11-23 04:11:13,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:13,517 INFO L225 Difference]: With dead ends: 4845 [2018-11-23 04:11:13,517 INFO L226 Difference]: Without dead ends: 2577 [2018-11-23 04:11:13,521 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-11-23 04:11:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2018-11-23 04:11:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2574. [2018-11-23 04:11:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2574 states. [2018-11-23 04:11:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3893 transitions. [2018-11-23 04:11:13,561 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3893 transitions. Word has length 192 [2018-11-23 04:11:13,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:13,561 INFO L480 AbstractCegarLoop]: Abstraction has 2574 states and 3893 transitions. [2018-11-23 04:11:13,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:11:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3893 transitions. [2018-11-23 04:11:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 04:11:13,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:13,566 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:13,567 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:13,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:13,567 INFO L82 PathProgramCache]: Analyzing trace with hash -591347053, now seen corresponding path program 1 times [2018-11-23 04:11:13,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:13,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:13,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:13,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:13,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:11:13,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:13,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:13,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-23 04:11:13,648 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:11:13,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:13,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:13,742 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:11:13,742 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 2537 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2537 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 04:11:13,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:13,745 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:11:13,874 INFO L227 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 82.4% of their original sizes. [2018-11-23 04:11:13,874 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:11:13,924 INFO L415 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-11-23 04:11:13,924 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:11:13,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:11:13,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 04:11:13,925 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:13,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:11:13,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:11:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:11:13,926 INFO L87 Difference]: Start difference. First operand 2574 states and 3893 transitions. Second operand 10 states. [2018-11-23 04:11:16,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:16,844 INFO L93 Difference]: Finished difference Result 5951 states and 9056 transitions. [2018-11-23 04:11:16,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 04:11:16,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-11-23 04:11:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:16,850 INFO L225 Difference]: With dead ends: 5951 [2018-11-23 04:11:16,850 INFO L226 Difference]: Without dead ends: 3383 [2018-11-23 04:11:16,855 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:11:16,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3383 states. [2018-11-23 04:11:16,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3383 to 3232. [2018-11-23 04:11:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3232 states. [2018-11-23 04:11:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4690 transitions. [2018-11-23 04:11:16,896 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4690 transitions. Word has length 196 [2018-11-23 04:11:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:16,896 INFO L480 AbstractCegarLoop]: Abstraction has 3232 states and 4690 transitions. [2018-11-23 04:11:16,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:11:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4690 transitions. [2018-11-23 04:11:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 04:11:16,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:16,902 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:16,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:16,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:16,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1004190727, now seen corresponding path program 1 times [2018-11-23 04:11:16,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:16,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:16,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:16,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:16,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 107 proven. 22 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 04:11:16,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:16,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:16,965 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-23 04:11:16,965 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:11:16,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:16,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:17,153 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:11:17,153 INFO L272 AbstractInterpreter]: Visited 117 different actions 463 times. Merged at 7 different actions 25 times. Never widened. Performed 5275 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5275 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 04:11:17,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:17,154 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:11:17,294 INFO L227 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 84.48% of their original sizes. [2018-11-23 04:11:17,294 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:11:17,338 INFO L415 sIntCurrentIteration]: We unified 212 AI predicates to 212 [2018-11-23 04:11:17,339 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:11:17,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:11:17,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 04:11:17,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:17,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:11:17,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:11:17,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:11:17,340 INFO L87 Difference]: Start difference. First operand 3232 states and 4690 transitions. Second operand 9 states. [2018-11-23 04:11:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:19,826 INFO L93 Difference]: Finished difference Result 7862 states and 11701 transitions. [2018-11-23 04:11:19,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 04:11:19,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2018-11-23 04:11:19,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:19,835 INFO L225 Difference]: With dead ends: 7862 [2018-11-23 04:11:19,835 INFO L226 Difference]: Without dead ends: 4636 [2018-11-23 04:11:19,840 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:11:19,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4636 states. [2018-11-23 04:11:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4636 to 4463. [2018-11-23 04:11:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4463 states. [2018-11-23 04:11:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4463 states to 4463 states and 6110 transitions. [2018-11-23 04:11:19,896 INFO L78 Accepts]: Start accepts. Automaton has 4463 states and 6110 transitions. Word has length 213 [2018-11-23 04:11:19,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:19,896 INFO L480 AbstractCegarLoop]: Abstraction has 4463 states and 6110 transitions. [2018-11-23 04:11:19,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:11:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4463 states and 6110 transitions. [2018-11-23 04:11:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-23 04:11:19,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:19,904 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:19,904 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:19,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:19,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1194998566, now seen corresponding path program 1 times [2018-11-23 04:11:19,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:19,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:19,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:19,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:19,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 123 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 04:11:19,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:19,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:19,969 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-11-23 04:11:19,970 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [260], [263], [267], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:11:19,972 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:19,972 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:20,275 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:11:20,276 INFO L272 AbstractInterpreter]: Visited 118 different actions 468 times. Merged at 8 different actions 32 times. Never widened. Performed 5391 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5391 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 04:11:20,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:20,277 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:11:20,424 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 84.4% of their original sizes. [2018-11-23 04:11:20,424 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:11:20,472 INFO L415 sIntCurrentIteration]: We unified 231 AI predicates to 231 [2018-11-23 04:11:20,472 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:11:20,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:11:20,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-23 04:11:20,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:20,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:11:20,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:11:20,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:11:20,473 INFO L87 Difference]: Start difference. First operand 4463 states and 6110 transitions. Second operand 11 states. [2018-11-23 04:11:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:25,222 INFO L93 Difference]: Finished difference Result 12122 states and 17144 transitions. [2018-11-23 04:11:25,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-23 04:11:25,222 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 232 [2018-11-23 04:11:25,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:25,222 INFO L225 Difference]: With dead ends: 12122 [2018-11-23 04:11:25,223 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:11:25,246 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 04:11:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:11:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:11:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:11:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:11:25,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2018-11-23 04:11:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:25,247 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:11:25,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:11:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:11:25,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:11:25,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:11:25,803 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 94 [2018-11-23 04:11:25,915 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a25~0)| ~a25~0) [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 04:11:25,945 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 04:11:25,946 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,947 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 04:11:25,948 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 04:11:25,949 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 04:11:25,950 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,951 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= 8 |old(~a17~0)|))) (let ((.cse7 (= 0 |old(~a17~0)|)) (.cse6 (not (= 0 |old(~a25~0)|))) (.cse3 (= ~a28~0 7)) (.cse0 (not (= 1 ~a21~0))) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse11 (= 0 |old(~a28~0)|)) (.cse1 (not (= 0 |old(~a11~0)|))) (.cse5 (not .cse12)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (= |old(~a25~0)| ~a25~0)) (.cse9 (= 1 |old(~a11~0)|))) (and (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse1 .cse2 (or .cse3 (= ~a28~0 10)) .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse4 .cse8 (not (= 9 |old(~a28~0)|)) .cse2 (not .cse9) (and (= ~a28~0 9) (= ~a11~0 1))) (or .cse0 .cse4 (and (= ~a17~0 8) .cse10) .cse11 .cse5 .cse2) (or .cse0 (and (not (= ~a28~0 0)) (= ~a19~0 1) (not (= ~a17~0 0))) .cse7 .cse4 .cse11 .cse2) (or (and (or .cse0 (not (= 11 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|))) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse6)) .cse4 .cse1 (or (and (= ~a28~0 11) (= ~a25~0 1)) (and (= ~a25~0 0) .cse3)) .cse5 .cse2) (or .cse0 .cse4 (= ~a11~0 0) .cse11 .cse1 .cse5 .cse2) (or .cse8 (not (= ~a28~0 ~a17~0))) (or (and (or (not (= 8 ~a28~0)) (not (= 8 ~a17~0))) .cse10) (and (= 8 |old(~a28~0)|) .cse12)) (or (and (not (= 1 ~a11~0)) .cse10) .cse9)))) [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 04:11:25,952 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 04:11:25,953 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 04:11:25,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:11:25,955 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 04:11:25,955 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:11:25,955 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:11:25,955 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 04:11:25,955 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 1 ~a11~0)) (not (= 7 |old(~a28~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (not (= 8 ~a28~0)) (not (= ~a28~0 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 04:11:25,955 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:11:25,955 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:11:25,955 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 1 ~a11~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (not (= main_~input~0 0)) (= ~a19~0 1)) (not (= 8 ~a28~0)) (not (= ~a28~0 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 04:11:25,955 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 04:11:25,955 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 04:11:25,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:11:25 BoogieIcfgContainer [2018-11-23 04:11:25,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:11:25,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:11:25,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:11:25,966 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:11:25,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:03" (3/4) ... [2018-11-23 04:11:25,970 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:11:25,974 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:11:25,974 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:11:25,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:11:25,984 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:11:25,984 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:11:26,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(1 == a11)) || !(7 == \old(a28))) || a19 == 1) || !(0 == \old(a11))) || !(8 == a28)) || !(a28 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 04:11:26,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_772b4e5c-6239-43c7-92df-01c87211639a/bin-2019/utaipan/witness.graphml [2018-11-23 04:11:26,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:11:26,077 INFO L168 Benchmark]: Toolchain (without parser) took 24117.34 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 953.9 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,078 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:11:26,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,079 INFO L168 Benchmark]: Boogie Preprocessor took 46.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,081 INFO L168 Benchmark]: RCFGBuilder took 942.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,081 INFO L168 Benchmark]: TraceAbstraction took 22557.81 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,082 INFO L168 Benchmark]: Witness Printer took 110.18 ms. Allocated memory is still 2.7 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:11:26,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 942.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22557.81 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 110.18 ms. Allocated memory is still 2.7 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(1 == a11)) || !(7 == \old(a28))) || a19 == 1) || !(0 == \old(a11))) || !(8 == a28)) || !(a28 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 22.4s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 18.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1537 SDtfs, 6162 SDslu, 2321 SDs, 0 SdLazy, 8866 SolverSat, 1770 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1091 GetRequests, 982 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4463occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9964491510339525 AbsIntWeakeningRatio, 0.21068249258160238 AbsIntAvgWeakeningVarsNumRemoved, 26.20276953511375 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 240 NumberOfFragments, 400 HoareAnnotationTreeSize, 139 FomulaSimplifications, 6949 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2228 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1387 NumberOfCodeBlocks, 1387 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1379 ConstructedInterpolants, 0 QuantifiedInterpolants, 509253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 673/765 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...