./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/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 16796b54e5e5e595ebddd1a211fd081adf88fc5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:05:26,369 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:05:26,370 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:05:26,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:05:26,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:05:26,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:05:26,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:05:26,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:05:26,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:05:26,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:05:26,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:05:26,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:05:26,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:05:26,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:05:26,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:05:26,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:05:26,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:05:26,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:05:26,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:05:26,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:05:26,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:05:26,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:05:26,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:05:26,387 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:05:26,387 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:05:26,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:05:26,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:05:26,388 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:05:26,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:05:26,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:05:26,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:05:26,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:05:26,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:05:26,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:05:26,390 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:05:26,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:05:26,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:05:26,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:05:26,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:05:26,398 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:05:26,398 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:05:26,398 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:05:26,399 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:05:26,399 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:05:26,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:05:26,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:05:26,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:05:26,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:05:26,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:05:26,401 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_695642fa-950b-4056-a3e7-5c97716e9b4c/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 -> 16796b54e5e5e595ebddd1a211fd081adf88fc5e [2018-12-03 01:05:26,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:05:26,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:05:26,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:05:26,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:05:26,433 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:05:26,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-12-03 01:05:26,479 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/data/4d5f3923b/1a522dd3cd3e46cc9d1ecb564dfcac0a/FLAG8b188ce2d [2018-12-03 01:05:26,827 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:05:26,827 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-12-03 01:05:26,834 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/data/4d5f3923b/1a522dd3cd3e46cc9d1ecb564dfcac0a/FLAG8b188ce2d [2018-12-03 01:05:26,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/data/4d5f3923b/1a522dd3cd3e46cc9d1ecb564dfcac0a [2018-12-03 01:05:26,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:05:26,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:05:26,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:05:26,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:05:26,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:05:26,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:26" (1/1) ... [2018-12-03 01:05:26,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d3ace8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:26, skipping insertion in model container [2018-12-03 01:05:26,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:26" (1/1) ... [2018-12-03 01:05:26,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:05:26,881 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:05:27,070 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:05:27,073 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:05:27,169 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:05:27,178 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:05:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27 WrapperNode [2018-12-03 01:05:27,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:05:27,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:05:27,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:05:27,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:05:27,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:05:27,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:05:27,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:05:27,199 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:05:27,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2018-12-03 01:05:27,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:05:27,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:05:27,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:05:27,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:05:27,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/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 [2018-12-03 01:05:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:05:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:05:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 01:05:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 01:05:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:05:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:05:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:05:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:05:27,961 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:05:27,961 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 01:05:27,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:27 BoogieIcfgContainer [2018-12-03 01:05:27,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:05:27,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:05:27,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:05:27,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:05:27,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:05:26" (1/3) ... [2018-12-03 01:05:27,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ae853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:05:27, skipping insertion in model container [2018-12-03 01:05:27,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (2/3) ... [2018-12-03 01:05:27,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ae853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:05:27, skipping insertion in model container [2018-12-03 01:05:27,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:27" (3/3) ... [2018-12-03 01:05:27,966 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label36_true-unreach-call_false-termination.c [2018-12-03 01:05:27,972 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:05:27,977 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:05:27,988 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:05:28,010 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:05:28,010 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:05:28,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:05:28,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:05:28,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:05:28,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:05:28,011 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:05:28,011 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:05:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-03 01:05:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 01:05:28,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:05:28,031 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] [2018-12-03 01:05:28,032 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:05:28,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2018-12-03 01:05:28,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:05:28,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:28,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:05:28,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:28,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:05:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:05:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:05:28,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:05:28,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:05:28,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:05:28,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:05:28,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:05:28,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:05:28,222 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-03 01:05:28,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:05:28,828 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-03 01:05:28,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:05:28,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-03 01:05:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:05:28,837 INFO L225 Difference]: With dead ends: 688 [2018-12-03 01:05:28,838 INFO L226 Difference]: Without dead ends: 372 [2018-12-03 01:05:28,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:05:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-03 01:05:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-03 01:05:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-03 01:05:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-03 01:05:28,881 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 54 [2018-12-03 01:05:28,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:05:28,881 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-03 01:05:28,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:05:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-03 01:05:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-03 01:05:28,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:05:28,884 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:05:28,885 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:05:28,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:28,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1634845114, now seen corresponding path program 1 times [2018-12-03 01:05:28,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:05:28,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:28,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:05:28,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:28,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:05:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:05:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:05:29,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:05:29,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:05:29,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:05:29,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:05:29,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:05:29,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:05:29,020 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-03 01:05:29,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:05:29,563 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-03 01:05:29,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:05:29,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-12-03 01:05:29,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:05:29,566 INFO L225 Difference]: With dead ends: 936 [2018-12-03 01:05:29,566 INFO L226 Difference]: Without dead ends: 570 [2018-12-03 01:05:29,567 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 [2018-12-03 01:05:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-03 01:05:29,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-03 01:05:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-03 01:05:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-03 01:05:29,587 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 128 [2018-12-03 01:05:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:05:29,588 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-03 01:05:29,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:05:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-03 01:05:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-03 01:05:29,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:05:29,589 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:05:29,589 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:05:29,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:29,590 INFO L82 PathProgramCache]: Analyzing trace with hash -729686663, now seen corresponding path program 1 times [2018-12-03 01:05:29,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:05:29,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:29,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:05:29,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:29,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:05:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:05:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:05:29,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:05:29,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:05:29,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:05:29,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:05:29,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:05:29,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:05:29,662 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-12-03 01:05:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:05:30,410 INFO L93 Difference]: Finished difference Result 2218 states and 3278 transitions. [2018-12-03 01:05:30,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:05:30,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-12-03 01:05:30,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:05:30,415 INFO L225 Difference]: With dead ends: 2218 [2018-12-03 01:05:30,415 INFO L226 Difference]: Without dead ends: 1662 [2018-12-03 01:05:30,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:05:30,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2018-12-03 01:05:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1662. [2018-12-03 01:05:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1662 states. [2018-12-03 01:05:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2313 transitions. [2018-12-03 01:05:30,444 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2313 transitions. Word has length 137 [2018-12-03 01:05:30,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:05:30,444 INFO L480 AbstractCegarLoop]: Abstraction has 1662 states and 2313 transitions. [2018-12-03 01:05:30,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:05:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2313 transitions. [2018-12-03 01:05:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-03 01:05:30,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:05:30,449 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 01:05:30,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:05:30,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:30,449 INFO L82 PathProgramCache]: Analyzing trace with hash -434335379, now seen corresponding path program 1 times [2018-12-03 01:05:30,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:05:30,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:30,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:05:30,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:30,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:05:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:05:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:05:30,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:05:30,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:05:30,936 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-03 01:05:30,937 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 01:05:30,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:05:30,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:05:32,817 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:05:32,819 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1042 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1042 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 01:05:32,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:32,824 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:05:34,438 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 77.93% of their original sizes. [2018-12-03 01:05:34,438 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:05:34,459 INFO L418 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2018-12-03 01:05:34,459 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:05:34,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:05:34,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-12-03 01:05:34,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:05:34,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:05:34,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:05:34,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:05:34,462 INFO L87 Difference]: Start difference. First operand 1662 states and 2313 transitions. Second operand 6 states. [2018-12-03 01:05:41,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:05:41,267 INFO L93 Difference]: Finished difference Result 3501 states and 4877 transitions. [2018-12-03 01:05:41,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:05:41,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-12-03 01:05:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:05:41,273 INFO L225 Difference]: With dead ends: 3501 [2018-12-03 01:05:41,274 INFO L226 Difference]: Without dead ends: 1845 [2018-12-03 01:05:41,276 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:05:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2018-12-03 01:05:41,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1844. [2018-12-03 01:05:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2018-12-03 01:05:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2503 transitions. [2018-12-03 01:05:41,308 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2503 transitions. Word has length 260 [2018-12-03 01:05:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:05:41,309 INFO L480 AbstractCegarLoop]: Abstraction has 1844 states and 2503 transitions. [2018-12-03 01:05:41,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:05:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2503 transitions. [2018-12-03 01:05:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-03 01:05:41,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:05:41,313 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 01:05:41,313 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:05:41,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:41,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1326324748, now seen corresponding path program 1 times [2018-12-03 01:05:41,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:05:41,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:41,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:05:41,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:05:41,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:05:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:05:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 227 proven. 172 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 01:05:41,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:05:41,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:05:41,700 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 345 with the following transitions: [2018-12-03 01:05:41,700 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 01:05:41,702 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:05:41,702 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:05:44,613 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:05:44,613 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 2145 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2145 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 01:05:44,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:05:44,615 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:05:46,103 INFO L227 lantSequenceWeakener]: Weakened 341 states. On average, predicates are now at 77.81% of their original sizes. [2018-12-03 01:05:46,104 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:05:46,153 INFO L418 sIntCurrentIteration]: We unified 343 AI predicates to 343 [2018-12-03 01:05:46,153 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:05:46,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:05:46,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-03 01:05:46,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:05:46,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:05:46,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:05:46,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:05:46,154 INFO L87 Difference]: Start difference. First operand 1844 states and 2503 transitions. Second operand 10 states. [2018-12-03 01:06:26,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:06:26,913 INFO L93 Difference]: Finished difference Result 3898 states and 5327 transitions. [2018-12-03 01:06:26,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 01:06:26,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 344 [2018-12-03 01:06:26,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:06:26,918 INFO L225 Difference]: With dead ends: 3898 [2018-12-03 01:06:26,918 INFO L226 Difference]: Without dead ends: 2242 [2018-12-03 01:06:26,919 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 352 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:06:26,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2018-12-03 01:06:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2028. [2018-12-03 01:06:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2028 states. [2018-12-03 01:06:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2701 transitions. [2018-12-03 01:06:26,950 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2701 transitions. Word has length 344 [2018-12-03 01:06:26,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:06:26,951 INFO L480 AbstractCegarLoop]: Abstraction has 2028 states and 2701 transitions. [2018-12-03 01:06:26,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:06:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2701 transitions. [2018-12-03 01:06:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-12-03 01:06:26,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:06:26,956 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 01:06:26,957 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:06:26,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:06:26,957 INFO L82 PathProgramCache]: Analyzing trace with hash -606930116, now seen corresponding path program 1 times [2018-12-03 01:06:26,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:06:26,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:06:26,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:06:26,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:06:26,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:06:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:06:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 381 proven. 232 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 01:06:27,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:06:27,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:06:27,403 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 444 with the following transitions: [2018-12-03 01:06:27,403 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 01:06:27,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:06:27,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:06:30,136 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:06:30,136 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2154 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2154 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 01:06:30,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:06:30,137 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:06:31,622 INFO L227 lantSequenceWeakener]: Weakened 440 states. On average, predicates are now at 77.71% of their original sizes. [2018-12-03 01:06:31,622 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:06:31,661 INFO L418 sIntCurrentIteration]: We unified 442 AI predicates to 442 [2018-12-03 01:06:31,661 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:06:31,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:06:31,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-03 01:06:31,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:06:31,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:06:31,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:06:31,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:06:31,662 INFO L87 Difference]: Start difference. First operand 2028 states and 2701 transitions. Second operand 10 states. [2018-12-03 01:06:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:06:39,172 INFO L93 Difference]: Finished difference Result 4052 states and 5399 transitions. [2018-12-03 01:06:39,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 01:06:39,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 443 [2018-12-03 01:06:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:06:39,176 INFO L225 Difference]: With dead ends: 4052 [2018-12-03 01:06:39,176 INFO L226 Difference]: Without dead ends: 2396 [2018-12-03 01:06:39,178 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 450 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 01:06:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2018-12-03 01:06:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2394. [2018-12-03 01:06:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2394 states. [2018-12-03 01:06:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3082 transitions. [2018-12-03 01:06:39,203 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3082 transitions. Word has length 443 [2018-12-03 01:06:39,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:06:39,203 INFO L480 AbstractCegarLoop]: Abstraction has 2394 states and 3082 transitions. [2018-12-03 01:06:39,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:06:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3082 transitions. [2018-12-03 01:06:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2018-12-03 01:06:39,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:06:39,206 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:06:39,206 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:06:39,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:06:39,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1731849804, now seen corresponding path program 1 times [2018-12-03 01:06:39,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:06:39,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:06:39,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:06:39,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:06:39,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:06:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:06:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-03 01:06:39,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:06:39,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:06:39,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:06:39,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:06:39,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:06:39,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:06:39,328 INFO L87 Difference]: Start difference. First operand 2394 states and 3082 transitions. Second operand 3 states. [2018-12-03 01:06:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:06:39,726 INFO L93 Difference]: Finished difference Result 5148 states and 6981 transitions. [2018-12-03 01:06:39,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:06:39,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 479 [2018-12-03 01:06:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:06:39,726 INFO L225 Difference]: With dead ends: 5148 [2018-12-03 01:06:39,726 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:06:39,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:06:39,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:06:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:06:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:06:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:06:39,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 479 [2018-12-03 01:06:39,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:06:39,733 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:06:39,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:06:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:06:39,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:06:39,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:06:40,059 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2018-12-03 01:06:40,097 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:06:40,097 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a15~0)| ~a15~0) [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 01:06:40,098 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 01:06:40,099 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 01:06:40,100 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 01:06:40,101 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a24~0)|))) (.cse1 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse2 (= |calculate_output_#in~input| 0)) (.cse3 (= (+ ~a12~0 49) 0)) (.cse4 (= ~a24~0 1)) (.cse7 (< 80 |old(~a12~0)|)) (.cse9 (= 8 |old(~a21~0)|)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse5 (not (= 10 |old(~a21~0)|))) (.cse8 (= 10 ~a21~0)) (.cse6 (= 6 |old(~a15~0)|))) (and (or (and (or (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))) .cse0 .cse1 .cse2) (or (not (= 7 |old(~a21~0)|)) .cse0 (not (= 8 |old(~a15~0)|)) .cse1 .cse2)) (and .cse3 .cse4 (or (and (= ~a15~0 8) (= ~a21~0 7)) (and (= ~a21~0 6) (= ~a15~0 5))))) (or .cse5 .cse0 .cse6 .cse1 .cse2 (= 0 |old(~a15~0)|) (= 9 |old(~a15~0)|) (and .cse3 .cse4)) (or .cse5 .cse7 .cse8) (or .cse9 (not (= 8 ~a21~0))) (or .cse10 .cse6) (or .cse7 (and (<= ~a12~0 80) .cse10)) (or .cse9 .cse10) (or .cse5 .cse8 .cse6))) [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 01:06:40,102 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-03 01:06:40,103 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-03 01:06:40,104 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-03 01:06:40,105 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,106 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 01:06:40,107 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-03 01:06:40,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-03 01:06:40,108 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-12-03 01:06:40,108 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-03 01:06:40,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:06:40 BoogieIcfgContainer [2018-12-03 01:06:40,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:06:40,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:06:40,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:06:40,114 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:06:40,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:27" (3/4) ... [2018-12-03 01:06:40,116 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:06:40,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:06:40,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 01:06:40,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:06:40,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 01:06:40,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 01:06:40,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((a12 <= 80 || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || !(8 == a21)) || !(a15 == 6) [2018-12-03 01:06:40,199 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_695642fa-950b-4056-a3e7-5c97716e9b4c/bin-2019/utaipan/witness.graphml [2018-12-03 01:06:40,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:06:40,200 INFO L168 Benchmark]: Toolchain (without parser) took 73354.47 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 941.6 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,200 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:06:40,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,201 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,201 INFO L168 Benchmark]: RCFGBuilder took 718.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 961.8 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,202 INFO L168 Benchmark]: TraceAbstraction took 72152.17 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 958.2 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-03 01:06:40,202 INFO L168 Benchmark]: Witness Printer took 85.16 ms. Allocated memory is still 4.9 GB. Free memory is still 3.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:06:40,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 718.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 961.8 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72152.17 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 958.2 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 85.16 ms. Allocated memory is still 4.9 GB. Free memory is still 3.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 880]: Loop Invariant Derived loop invariant: (((((a12 <= 80 || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || !(8 == a21)) || !(a15 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 72.1s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 57.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 518 SDtfs, 3575 SDslu, 243 SDs, 0 SdLazy, 5146 SolverSat, 1159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1087 GetRequests, 1035 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2394occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.5s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9972829332087206 AbsIntWeakeningRatio, 0.09195402298850575 AbsIntAvgWeakeningVarsNumRemoved, 16.54597701149425 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 225 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 105 NumberOfFragments, 278 HoareAnnotationTreeSize, 67 FomulaSimplifications, 2245 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 831 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1845 NumberOfCodeBlocks, 1845 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1838 ConstructedInterpolants, 0 QuantifiedInterpolants, 4170180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1782/2188 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...