./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.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_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/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 ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:29:33,169 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:29:33,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:29:33,176 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:29:33,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:29:33,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:29:33,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:29:33,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:29:33,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:29:33,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:29:33,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:29:33,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:29:33,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:29:33,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:29:33,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:29:33,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:29:33,183 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:29:33,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:29:33,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:29:33,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:29:33,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:29:33,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:29:33,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:29:33,188 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:29:33,188 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:29:33,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:29:33,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:29:33,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:29:33,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:29:33,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:29:33,191 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:29:33,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:29:33,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:29:33,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:29:33,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:29:33,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:29:33,192 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:29:33,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:29:33,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:29:33,200 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:29:33,200 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:29:33,201 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:29:33,201 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:29:33,202 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:29:33,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:29:33,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:29:33,202 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:29:33,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:29:33,203 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:29:33,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:29:33,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:29:33,204 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:29:33,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:29:33,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:29:33,205 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:29:33,205 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_f4048958-594a-4272-adab-6a54d3dada9e/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 -> ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 [2018-12-09 12:29:33,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:29:33,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:29:33,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:29:33,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:29:33,233 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:29:33,233 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-12-09 12:29:33,266 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/data/f8a6e0faf/21df80614d494102924b04a6759b42ef/FLAGdfd28bcc4 [2018-12-09 12:29:33,682 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:29:33,683 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-12-09 12:29:33,689 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/data/f8a6e0faf/21df80614d494102924b04a6759b42ef/FLAGdfd28bcc4 [2018-12-09 12:29:34,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/data/f8a6e0faf/21df80614d494102924b04a6759b42ef [2018-12-09 12:29:34,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:29:34,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:29:34,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:34,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:29:34,049 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:29:34,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10157225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34, skipping insertion in model container [2018-12-09 12:29:34,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:29:34,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:29:34,326 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:34,329 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:29:34,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:34,426 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:29:34,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34 WrapperNode [2018-12-09 12:29:34,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:34,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:34,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:29:34,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:29:34,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:34,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:29:34,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:29:34,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:29:34,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... [2018-12-09 12:29:34,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:29:34,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:29:34,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:29:34,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:29:34,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/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 [2018-12-09 12:29:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:29:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:29:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 12:29:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 12:29:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:29:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:29:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:29:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:29:35,080 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:29:35,080 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:29:35,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:35 BoogieIcfgContainer [2018-12-09 12:29:35,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:29:35,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:29:35,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:29:35,084 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:29:35,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:29:34" (1/3) ... [2018-12-09 12:29:35,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcc5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:35, skipping insertion in model container [2018-12-09 12:29:35,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:34" (2/3) ... [2018-12-09 12:29:35,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcc5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:35, skipping insertion in model container [2018-12-09 12:29:35,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:35" (3/3) ... [2018-12-09 12:29:35,086 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18_true-unreach-call.c [2018-12-09 12:29:35,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:29:35,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:29:35,107 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:29:35,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:29:35,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:29:35,135 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:29:35,136 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:29:35,136 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:29:35,136 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:29:35,136 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:29:35,136 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:29:35,150 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-09 12:29:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 12:29:35,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:35,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:35,157 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:35,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:35,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1635976175, now seen corresponding path program 1 times [2018-12-09 12:29:35,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:29:35,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:35,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:35,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:35,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:29:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:35,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:29:35,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:29:35,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:29:35,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:29:35,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:29:35,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:29:35,371 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-09 12:29:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:35,828 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-09 12:29:35,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:29:35,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-09 12:29:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:35,837 INFO L225 Difference]: With dead ends: 571 [2018-12-09 12:29:35,837 INFO L226 Difference]: Without dead ends: 294 [2018-12-09 12:29:35,840 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 [2018-12-09 12:29:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-09 12:29:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-09 12:29:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 12:29:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 436 transitions. [2018-12-09 12:29:35,876 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 436 transitions. Word has length 64 [2018-12-09 12:29:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:35,877 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 436 transitions. [2018-12-09 12:29:35,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:29:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 436 transitions. [2018-12-09 12:29:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 12:29:35,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:35,881 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:35,881 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:35,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:35,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1834803011, now seen corresponding path program 1 times [2018-12-09 12:29:35,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:29:35,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:35,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:35,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:35,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:29:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:29:36,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:36,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:29:36,048 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-09 12:29:36,050 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], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:29:36,079 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:29:36,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:29:36,343 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:29:36,344 INFO L272 AbstractInterpreter]: Visited 91 different actions 91 times. Never merged. Never widened. Performed 825 root evaluator evaluations with a maximum evaluation depth of 3. Performed 825 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 12:29:36,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:36,349 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:29:36,536 INFO L227 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 74.01% of their original sizes. [2018-12-09 12:29:36,536 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:29:36,570 INFO L418 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-12-09 12:29:36,570 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:29:36,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:29:36,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-09 12:29:36,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:29:36,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:29:36,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:29:36,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:29:36,572 INFO L87 Difference]: Start difference. First operand 294 states and 436 transitions. Second operand 6 states. [2018-12-09 12:29:40,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:40,051 INFO L93 Difference]: Finished difference Result 726 states and 1078 transitions. [2018-12-09 12:29:40,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:29:40,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-12-09 12:29:40,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:40,053 INFO L225 Difference]: With dead ends: 726 [2018-12-09 12:29:40,053 INFO L226 Difference]: Without dead ends: 438 [2018-12-09 12:29:40,054 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:29:40,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-12-09 12:29:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2018-12-09 12:29:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-09 12:29:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 585 transitions. [2018-12-09 12:29:40,066 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 585 transitions. Word has length 151 [2018-12-09 12:29:40,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:40,067 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 585 transitions. [2018-12-09 12:29:40,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:29:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 585 transitions. [2018-12-09 12:29:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 12:29:40,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:40,069 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 12:29:40,069 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:40,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:40,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1798357382, now seen corresponding path program 1 times [2018-12-09 12:29:40,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:29:40,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:40,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:40,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:40,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:29:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 12:29:40,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:40,177 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:29:40,177 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-09 12:29:40,178 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], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:29:40,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:29:40,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:29:40,918 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:29:40,919 INFO L272 AbstractInterpreter]: Visited 95 different actions 279 times. Merged at 6 different actions 14 times. Never widened. Performed 2709 root evaluator evaluations with a maximum evaluation depth of 20. Performed 2709 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 12:29:40,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:40,921 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:29:41,392 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 76.06% of their original sizes. [2018-12-09 12:29:41,392 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:29:41,437 INFO L418 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-12-09 12:29:41,437 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:29:41,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:29:41,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-09 12:29:41,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:29:41,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:29:41,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:29:41,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:29:41,438 INFO L87 Difference]: Start difference. First operand 437 states and 585 transitions. Second operand 10 states. [2018-12-09 12:29:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:54,585 INFO L93 Difference]: Finished difference Result 1032 states and 1480 transitions. [2018-12-09 12:29:54,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 12:29:54,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2018-12-09 12:29:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:54,587 INFO L225 Difference]: With dead ends: 1032 [2018-12-09 12:29:54,587 INFO L226 Difference]: Without dead ends: 744 [2018-12-09 12:29:54,588 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-12-09 12:29:54,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-12-09 12:29:54,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 727. [2018-12-09 12:29:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2018-12-09 12:29:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 943 transitions. [2018-12-09 12:29:54,605 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 943 transitions. Word has length 221 [2018-12-09 12:29:54,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:54,605 INFO L480 AbstractCegarLoop]: Abstraction has 727 states and 943 transitions. [2018-12-09 12:29:54,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:29:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 943 transitions. [2018-12-09 12:29:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:29:54,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:54,609 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:54,609 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:54,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:54,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1547701939, now seen corresponding path program 1 times [2018-12-09 12:29:54,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:29:54,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:54,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:54,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:54,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:29:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:54,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:54,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:29:54,763 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-12-09 12:29:54,764 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], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:29:54,766 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:29:54,766 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:29:54,847 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:29:54,847 INFO L272 AbstractInterpreter]: Visited 134 different actions 265 times. Merged at 6 different actions 8 times. Never widened. Performed 2812 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2812 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 12:29:54,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:54,849 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:29:54,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:54,849 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:29:54,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:54,855 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:29:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:54,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:29:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:54,964 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:29:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:55,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:29:55,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 12:29:55,094 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:29:55,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:29:55,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:29:55,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:29:55,096 INFO L87 Difference]: Start difference. First operand 727 states and 943 transitions. Second operand 9 states. [2018-12-09 12:29:56,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:56,098 INFO L93 Difference]: Finished difference Result 1963 states and 2801 transitions. [2018-12-09 12:29:56,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 12:29:56,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 268 [2018-12-09 12:29:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:56,102 INFO L225 Difference]: With dead ends: 1963 [2018-12-09 12:29:56,102 INFO L226 Difference]: Without dead ends: 920 [2018-12-09 12:29:56,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:29:56,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2018-12-09 12:29:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 904. [2018-12-09 12:29:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-12-09 12:29:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1071 transitions. [2018-12-09 12:29:56,125 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1071 transitions. Word has length 268 [2018-12-09 12:29:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:56,125 INFO L480 AbstractCegarLoop]: Abstraction has 904 states and 1071 transitions. [2018-12-09 12:29:56,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:29:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1071 transitions. [2018-12-09 12:29:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-09 12:29:56,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:56,129 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:56,129 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:56,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:56,130 INFO L82 PathProgramCache]: Analyzing trace with hash 588943035, now seen corresponding path program 1 times [2018-12-09 12:29:56,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:29:56,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:56,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:56,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:56,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:29:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 115 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 12:29:56,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:56,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:29:56,288 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-12-09 12:29:56,289 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], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:29:56,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:29:56,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:29:56,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:29:56,382 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Performed 2715 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 12:29:56,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:56,384 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:29:56,529 INFO L227 lantSequenceWeakener]: Weakened 301 states. On average, predicates are now at 78.42% of their original sizes. [2018-12-09 12:29:56,529 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:29:56,582 INFO L418 sIntCurrentIteration]: We unified 303 AI predicates to 303 [2018-12-09 12:29:56,582 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:29:56,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:29:56,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 12:29:56,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:29:56,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:29:56,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:29:56,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:29:56,583 INFO L87 Difference]: Start difference. First operand 904 states and 1071 transitions. Second operand 10 states. [2018-12-09 12:30:11,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:30:11,578 INFO L93 Difference]: Finished difference Result 1820 states and 2258 transitions. [2018-12-09 12:30:11,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 12:30:11,578 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 304 [2018-12-09 12:30:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:30:11,581 INFO L225 Difference]: With dead ends: 1820 [2018-12-09 12:30:11,581 INFO L226 Difference]: Without dead ends: 1065 [2018-12-09 12:30:11,582 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 12:30:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2018-12-09 12:30:11,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1027. [2018-12-09 12:30:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2018-12-09 12:30:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1199 transitions. [2018-12-09 12:30:11,598 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1199 transitions. Word has length 304 [2018-12-09 12:30:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:30:11,599 INFO L480 AbstractCegarLoop]: Abstraction has 1027 states and 1199 transitions. [2018-12-09 12:30:11,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:30:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1199 transitions. [2018-12-09 12:30:11,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 12:30:11,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:30:11,601 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 12:30:11,601 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:30:11,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:30:11,601 INFO L82 PathProgramCache]: Analyzing trace with hash -124458404, now seen corresponding path program 1 times [2018-12-09 12:30:11,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:30:11,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:30:11,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:30:11,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:30:11,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:30:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 12:30:11,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:30:11,727 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:30:11,728 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-12-09 12:30:11,728 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], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:30:11,729 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:30:11,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:30:11,858 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:30:11,858 INFO L272 AbstractInterpreter]: Visited 135 different actions 398 times. Merged at 7 different actions 15 times. Never widened. Performed 4243 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 12:30:11,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:30:11,860 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:30:11,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:30:11,860 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:30:11,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:30:11,865 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:30:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:11,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:30:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 12:30:11,965 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:30:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 12:30:12,062 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:30:12,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 12:30:12,062 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:30:12,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:30:12,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:30:12,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:30:12,063 INFO L87 Difference]: Start difference. First operand 1027 states and 1199 transitions. Second operand 7 states. [2018-12-09 12:30:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:30:12,662 INFO L93 Difference]: Finished difference Result 2678 states and 3237 transitions. [2018-12-09 12:30:12,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:30:12,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 376 [2018-12-09 12:30:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:30:12,667 INFO L225 Difference]: With dead ends: 2678 [2018-12-09 12:30:12,667 INFO L226 Difference]: Without dead ends: 1800 [2018-12-09 12:30:12,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 751 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:30:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2018-12-09 12:30:12,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1794. [2018-12-09 12:30:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2018-12-09 12:30:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2092 transitions. [2018-12-09 12:30:12,691 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2092 transitions. Word has length 376 [2018-12-09 12:30:12,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:30:12,692 INFO L480 AbstractCegarLoop]: Abstraction has 1794 states and 2092 transitions. [2018-12-09 12:30:12,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:30:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2092 transitions. [2018-12-09 12:30:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 12:30:12,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:30:12,694 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, 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, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 12:30:12,695 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:30:12,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:30:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1067658955, now seen corresponding path program 1 times [2018-12-09 12:30:12,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:30:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:30:12,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:30:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:30:12,695 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:30:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 12:30:12,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:30:12,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:30:12,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:30:12,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:30:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:30:12,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:30:12,815 INFO L87 Difference]: Start difference. First operand 1794 states and 2092 transitions. Second operand 4 states. [2018-12-09 12:30:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:30:13,310 INFO L93 Difference]: Finished difference Result 4166 states and 5014 transitions. [2018-12-09 12:30:13,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:30:13,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 389 [2018-12-09 12:30:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:30:13,311 INFO L225 Difference]: With dead ends: 4166 [2018-12-09 12:30:13,311 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:30:13,314 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 [2018-12-09 12:30:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:30:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:30:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:30:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:30:13,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 389 [2018-12-09 12:30:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:30:13,315 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:30:13,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:30:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:30:13,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:30:13,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:30:13,617 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,736 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-09 12:30:13,737 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-09 12:30:13,738 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-09 12:30:13,739 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 12:30:13,740 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 12:30:13,741 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-09 12:30:13,742 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 12:30:13,743 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,744 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-09 12:30:13,745 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a19~0)| ~a19~0)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0))) (.cse5 (not (= 9 |old(~a19~0)|))) (.cse2 (= |calculate_output_#in~input| 0)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (and (or (not (= 8 |old(~a19~0)|)) (= 8 ~a19~0)) (or (and .cse0 .cse1) (< 0 (+ |old(~a1~0)| 333899)) (< 8 |old(~a19~0)|)) (or (or (and (= ~a10~0 0) (= ~a1~0 23)) (= ~a10~0 1)) .cse2 (and (or .cse3 .cse4 .cse5 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or (not (= 1 |old(~a10~0)|)) .cse3 .cse4 .cse5))) (or (= 4 |old(~a10~0)|) (and .cse0 (not (= ~a10~0 4)) .cse1)) (or (and (or .cse3 .cse4 (not (= 2 |old(~a10~0)|))) (or (not (= 0 (mod |old(~a10~0)| 4))) .cse3 .cse4)) .cse5 .cse2 (and (let ((.cse6 (= ~a19~0 9))) (or (and (= ~a10~0 2) .cse6) (and .cse6 (= (mod ~a10~0 4) 0)))) .cse1)))) [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,746 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,747 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-09 12:30:13,748 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-09 12:30:13,749 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-09 12:30:13,750 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 |old(~a1~0)|))) [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-09 12:30:13,750 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|))) [2018-12-09 12:30:13,750 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-09 12:30:13,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:30:13 BoogieIcfgContainer [2018-12-09 12:30:13,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:30:13,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:30:13,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:30:13,759 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:30:13,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:35" (3/4) ... [2018-12-09 12:30:13,762 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:30:13,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:30:13,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 12:30:13,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:30:13,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 12:30:13,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:30:13,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((8 == a19 || !(a10 == 4)) || !(14 == a4)) || !(23 == \old(a1))) || (a1 + 333899 <= 0 && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10)) [2018-12-09 12:30:13,840 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4048958-594a-4272-adab-6a54d3dada9e/bin-2019/utaipan/witness.graphml [2018-12-09 12:30:13,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:30:13,840 INFO L168 Benchmark]: Toolchain (without parser) took 39803.48 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 947.0 MB in the beginning and 1.5 GB in the end (delta: -595.7 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: RCFGBuilder took 581.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: TraceAbstraction took 38677.23 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -618.2 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-12-09 12:30:13,841 INFO L168 Benchmark]: Witness Printer took 81.01 ms. Allocated memory is still 4.9 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:30:13,842 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 581.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38677.23 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -618.2 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 81.01 ms. Allocated memory is still 4.9 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((8 == a19 || !(a10 == 4)) || !(14 == a4)) || !(23 == \old(a1))) || (a1 + 333899 <= 0 && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 38.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 34.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 344 SDtfs, 3274 SDslu, 334 SDs, 0 SdLazy, 5327 SolverSat, 1094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2025 GetRequests, 1948 SyntacticMatches, 6 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1794occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9970706531022853 AbsIntWeakeningRatio, 0.10698365527488855 AbsIntAvgWeakeningVarsNumRemoved, 14.294205052005944 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 78 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 121 NumberOfFragments, 294 HoareAnnotationTreeSize, 69 FomulaSimplifications, 3769 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1524 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2417 NumberOfCodeBlocks, 2417 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3050 ConstructedInterpolants, 0 QuantifiedInterpolants, 2457298 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1033 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2575/2795 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...