./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/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 2d05d1de5597bdaeecbf29f7010022c1cc3574fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:58:31,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:58:31,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:58:31,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:58:31,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:58:31,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:58:31,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:58:31,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:58:31,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:58:31,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:58:31,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:58:31,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:58:31,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:58:31,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:58:31,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:58:31,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:58:31,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:58:31,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:58:31,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:58:31,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:58:31,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:58:31,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:58:31,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:58:31,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:58:31,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:58:31,624 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:58:31,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:58:31,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:58:31,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:58:31,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:58:31,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:58:31,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:58:31,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:58:31,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:58:31,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:58:31,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:58:31,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:58:31,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:58:31,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:58:31,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:58:31,641 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:58:31,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:58:31,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:58:31,641 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:58:31,642 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:58:31,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:58:31,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:58:31,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:58:31,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:58:31,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:58:31,646 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:58:31,646 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_294f7ea2-e27d-452f-882b-4d9d0bc9a287/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 -> 2d05d1de5597bdaeecbf29f7010022c1cc3574fd [2018-11-23 04:58:31,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:58:31,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:58:31,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:58:31,681 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:58:31,682 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:58:31,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-23 04:58:31,717 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/data/823572a20/7575e2c99726452c80b29410925afcd1/FLAG1ac8d4ca9 [2018-11-23 04:58:32,181 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:58:32,181 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-23 04:58:32,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/data/823572a20/7575e2c99726452c80b29410925afcd1/FLAG1ac8d4ca9 [2018-11-23 04:58:32,698 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/data/823572a20/7575e2c99726452c80b29410925afcd1 [2018-11-23 04:58:32,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:58:32,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:58:32,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:58:32,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:58:32,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:58:32,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:32" (1/1) ... [2018-11-23 04:58:32,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:32, skipping insertion in model container [2018-11-23 04:58:32,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:32" (1/1) ... [2018-11-23 04:58:32,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:58:32,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:58:32,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:58:32,974 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:58:33,044 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:58:33,056 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:58:33,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33 WrapperNode [2018-11-23 04:58:33,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:58:33,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:58:33,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:58:33,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:58:33,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:58:33,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:58:33,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:58:33,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:58:33,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... [2018-11-23 04:58:33,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:58:33,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:58:33,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:58:33,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:58:33,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:58:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:58:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:58:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:58:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:58:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:58:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:58:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:58:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:58:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:58:34,014 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:58:34,014 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:58:34,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:34 BoogieIcfgContainer [2018-11-23 04:58:34,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:58:34,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:58:34,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:58:34,017 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:58:34,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:58:32" (1/3) ... [2018-11-23 04:58:34,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:58:34, skipping insertion in model container [2018-11-23 04:58:34,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:33" (2/3) ... [2018-11-23 04:58:34,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:58:34, skipping insertion in model container [2018-11-23 04:58:34,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:34" (3/3) ... [2018-11-23 04:58:34,019 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label14_true-unreach-call.c [2018-11-23 04:58:34,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:58:34,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:58:34,039 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:58:34,061 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:58:34,061 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:58:34,062 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:58:34,062 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:58:34,062 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:58:34,062 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:58:34,062 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:58:34,062 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:58:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 04:58:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 04:58:34,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:34,084 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] [2018-11-23 04:58:34,085 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:34,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:34,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1721053394, now seen corresponding path program 1 times [2018-11-23 04:58:34,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:34,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:34,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:34,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:34,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:34,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:34,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:58:34,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:34,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:58:34,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:58:34,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:58:34,329 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 04:58:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:34,999 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 04:58:34,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:58:35,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-23 04:58:35,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:35,011 INFO L225 Difference]: With dead ends: 571 [2018-11-23 04:58:35,011 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 04:58:35,015 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 [2018-11-23 04:58:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 04:58:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 04:58:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 04:58:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 04:58:35,066 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 37 [2018-11-23 04:58:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:35,066 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 04:58:35,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:58:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 04:58:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 04:58:35,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:35,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:58:35,073 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:35,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:35,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1761481729, now seen corresponding path program 1 times [2018-11-23 04:58:35,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:35,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:35,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:35,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:35,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:35,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:35,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:58:35,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:35,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:58:35,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:58:35,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:58:35,287 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 5 states. [2018-11-23 04:58:36,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:36,378 INFO L93 Difference]: Finished difference Result 1135 states and 2017 transitions. [2018-11-23 04:58:36,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:58:36,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-11-23 04:58:36,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:36,387 INFO L225 Difference]: With dead ends: 1135 [2018-11-23 04:58:36,387 INFO L226 Difference]: Without dead ends: 787 [2018-11-23 04:58:36,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:58:36,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2018-11-23 04:58:36,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 781. [2018-11-23 04:58:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-23 04:58:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1297 transitions. [2018-11-23 04:58:36,417 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1297 transitions. Word has length 156 [2018-11-23 04:58:36,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:36,417 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 1297 transitions. [2018-11-23 04:58:36,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:58:36,418 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1297 transitions. [2018-11-23 04:58:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 04:58:36,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:36,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:58:36,421 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:36,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:36,421 INFO L82 PathProgramCache]: Analyzing trace with hash 630639194, now seen corresponding path program 1 times [2018-11-23 04:58:36,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:36,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:36,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:36,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:36,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:36,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:36,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:58:36,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:36,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:58:36,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:58:36,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:58:36,577 INFO L87 Difference]: Start difference. First operand 781 states and 1297 transitions. Second operand 6 states. [2018-11-23 04:58:37,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:37,442 INFO L93 Difference]: Finished difference Result 1967 states and 3359 transitions. [2018-11-23 04:58:37,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:58:37,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-23 04:58:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:37,450 INFO L225 Difference]: With dead ends: 1967 [2018-11-23 04:58:37,450 INFO L226 Difference]: Without dead ends: 1192 [2018-11-23 04:58:37,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:58:37,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-11-23 04:58:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1173. [2018-11-23 04:58:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2018-11-23 04:58:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1750 transitions. [2018-11-23 04:58:37,488 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1750 transitions. Word has length 163 [2018-11-23 04:58:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:37,488 INFO L480 AbstractCegarLoop]: Abstraction has 1173 states and 1750 transitions. [2018-11-23 04:58:37,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:58:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1750 transitions. [2018-11-23 04:58:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 04:58:37,493 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:37,493 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:58:37,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:37,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:37,493 INFO L82 PathProgramCache]: Analyzing trace with hash -545211835, now seen corresponding path program 1 times [2018-11-23 04:58:37,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:37,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:37,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:37,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:37,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:37,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:37,846 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:58:37,846 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-23 04:58:37,848 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [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], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 04:58:37,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:58:37,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:58:38,576 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:58:38,577 INFO L272 AbstractInterpreter]: Visited 128 different actions 496 times. Merged at 6 different actions 17 times. Never widened. Performed 5322 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 04:58:38,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:38,592 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:58:38,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:38,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:58:38,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:38,602 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:58:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:38,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:58:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:38,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:58:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:38,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:58:38,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-11-23 04:58:38,941 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:58:38,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 04:58:38,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 04:58:38,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-11-23 04:58:38,942 INFO L87 Difference]: Start difference. First operand 1173 states and 1750 transitions. Second operand 16 states. [2018-11-23 04:58:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:42,154 INFO L93 Difference]: Finished difference Result 3783 states and 6118 transitions. [2018-11-23 04:58:42,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 04:58:42,154 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 226 [2018-11-23 04:58:42,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:42,168 INFO L225 Difference]: With dead ends: 3783 [2018-11-23 04:58:42,168 INFO L226 Difference]: Without dead ends: 2616 [2018-11-23 04:58:42,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 463 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=646, Invalid=2110, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 04:58:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2018-11-23 04:58:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2312. [2018-11-23 04:58:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2312 states. [2018-11-23 04:58:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3099 transitions. [2018-11-23 04:58:42,245 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3099 transitions. Word has length 226 [2018-11-23 04:58:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:42,245 INFO L480 AbstractCegarLoop]: Abstraction has 2312 states and 3099 transitions. [2018-11-23 04:58:42,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 04:58:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3099 transitions. [2018-11-23 04:58:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 04:58:42,253 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:42,253 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:58:42,254 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:42,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:42,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1220888374, now seen corresponding path program 1 times [2018-11-23 04:58:42,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:42,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:42,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:42,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:42,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:42,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:42,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:58:42,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-23 04:58:42,420 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [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] [2018-11-23 04:58:42,423 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:58:42,423 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:58:42,627 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:58:42,627 INFO L272 AbstractInterpreter]: Visited 134 different actions 265 times. Merged at 6 different actions 8 times. Never widened. Performed 2810 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:58:42,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:42,639 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:58:42,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:42,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:58:42,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:42,652 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:58:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:42,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:58:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:42,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:58:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:58:42,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:58:42,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 04:58:42,819 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:58:42,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:58:42,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:58:42,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:58:42,821 INFO L87 Difference]: Start difference. First operand 2312 states and 3099 transitions. Second operand 9 states. [2018-11-23 04:58:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:44,223 INFO L93 Difference]: Finished difference Result 6887 states and 10424 transitions. [2018-11-23 04:58:44,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 04:58:44,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2018-11-23 04:58:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:44,231 INFO L225 Difference]: With dead ends: 6887 [2018-11-23 04:58:44,231 INFO L226 Difference]: Without dead ends: 1779 [2018-11-23 04:58:44,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 485 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:58:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2018-11-23 04:58:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1619. [2018-11-23 04:58:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2018-11-23 04:58:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2024 transitions. [2018-11-23 04:58:44,315 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2024 transitions. Word has length 241 [2018-11-23 04:58:44,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:44,315 INFO L480 AbstractCegarLoop]: Abstraction has 1619 states and 2024 transitions. [2018-11-23 04:58:44,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:58:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2024 transitions. [2018-11-23 04:58:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 04:58:44,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:44,320 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 04:58:44,321 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:44,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:44,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1555176578, now seen corresponding path program 1 times [2018-11-23 04:58:44,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:44,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:44,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:44,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:44,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 60 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:58:44,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:44,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:58:44,436 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-23 04:58:44,437 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 04:58:44,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:58:44,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:58:44,542 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:58:44,543 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Performed 1208 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 04:58:44,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:44,544 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:58:44,849 INFO L227 lantSequenceWeakener]: Weakened 242 states. On average, predicates are now at 73.01% of their original sizes. [2018-11-23 04:58:44,849 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:58:44,880 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-23 04:58:44,881 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:58:44,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:58:44,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 04:58:44,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:44,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:58:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:58:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:58:44,882 INFO L87 Difference]: Start difference. First operand 1619 states and 2024 transitions. Second operand 6 states. [2018-11-23 04:58:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:53,409 INFO L93 Difference]: Finished difference Result 2955 states and 3718 transitions. [2018-11-23 04:58:53,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:58:53,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 251 [2018-11-23 04:58:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:53,414 INFO L225 Difference]: With dead ends: 2955 [2018-11-23 04:58:53,414 INFO L226 Difference]: Without dead ends: 1620 [2018-11-23 04:58:53,416 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:58:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2018-11-23 04:58:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1619. [2018-11-23 04:58:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2018-11-23 04:58:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2013 transitions. [2018-11-23 04:58:53,453 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2013 transitions. Word has length 251 [2018-11-23 04:58:53,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:53,453 INFO L480 AbstractCegarLoop]: Abstraction has 1619 states and 2013 transitions. [2018-11-23 04:58:53,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:58:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2013 transitions. [2018-11-23 04:58:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 04:58:53,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:53,459 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 04:58:53,459 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:53,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:53,459 INFO L82 PathProgramCache]: Analyzing trace with hash 949684802, now seen corresponding path program 1 times [2018-11-23 04:58:53,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:53,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:53,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:53,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:53,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 61 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 04:58:53,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:58:53,650 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:58:53,651 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-11-23 04:58:53,652 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [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] [2018-11-23 04:58:53,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:58:53,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:58:53,848 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:58:53,848 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. [2018-11-23 04:58:53,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:53,871 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:58:54,116 INFO L227 lantSequenceWeakener]: Weakened 274 states. On average, predicates are now at 77.93% of their original sizes. [2018-11-23 04:58:54,116 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:58:54,206 INFO L415 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-11-23 04:58:54,206 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:58:54,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:58:54,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 04:58:54,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:54,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:58:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:58:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:58:54,207 INFO L87 Difference]: Start difference. First operand 1619 states and 2013 transitions. Second operand 10 states. [2018-11-23 04:59:06,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:06,860 INFO L93 Difference]: Finished difference Result 2910 states and 3670 transitions. [2018-11-23 04:59:06,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 04:59:06,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2018-11-23 04:59:06,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:06,866 INFO L225 Difference]: With dead ends: 2910 [2018-11-23 04:59:06,866 INFO L226 Difference]: Without dead ends: 1575 [2018-11-23 04:59:06,868 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 04:59:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2018-11-23 04:59:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1523. [2018-11-23 04:59:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2018-11-23 04:59:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1743 transitions. [2018-11-23 04:59:06,902 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1743 transitions. Word has length 277 [2018-11-23 04:59:06,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:06,903 INFO L480 AbstractCegarLoop]: Abstraction has 1523 states and 1743 transitions. [2018-11-23 04:59:06,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:59:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1743 transitions. [2018-11-23 04:59:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-23 04:59:06,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:06,910 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:59:06,910 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:06,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:06,911 INFO L82 PathProgramCache]: Analyzing trace with hash 677384141, now seen corresponding path program 1 times [2018-11-23 04:59:06,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:06,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:06,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:06,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:06,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 281 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:59:07,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:59:07,411 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:59:07,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-11-23 04:59:07,412 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [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], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 04:59:07,414 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:59:07,414 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:59:07,689 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:59:07,690 INFO L272 AbstractInterpreter]: Visited 129 different actions 386 times. Merged at 7 different actions 21 times. Never widened. Performed 4149 root evaluator evaluations with a maximum evaluation depth of 15. Performed 4149 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:59:07,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:07,691 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:59:07,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:59:07,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:59:07,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:07,698 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:59:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:07,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:59:13,201 WARN L180 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-23 04:59:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 04:59:13,352 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:59:13,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:13,713 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-23 04:59:13,825 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:13,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:13,905 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:13,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:13,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,034 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,200 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,302 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,562 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:14,979 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,068 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,122 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,219 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,255 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,293 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,513 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,550 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,711 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,782 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,890 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:15,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,031 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,342 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,526 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,650 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,694 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,856 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,935 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:16,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,165 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,352 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,454 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,592 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:17,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:18,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:18,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:18,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 04:59:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 95 proven. 260 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:59:18,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:59:18,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-23 04:59:18,527 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:59:18,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 04:59:18,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 04:59:18,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-23 04:59:18,528 INFO L87 Difference]: Start difference. First operand 1523 states and 1743 transitions. Second operand 23 states. [2018-11-23 04:59:22,210 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-23 04:59:28,277 WARN L180 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-23 04:59:34,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:34,731 INFO L93 Difference]: Finished difference Result 5950 states and 7893 transitions. [2018-11-23 04:59:34,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-11-23 04:59:34,731 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 348 [2018-11-23 04:59:34,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:34,732 INFO L225 Difference]: With dead ends: 5950 [2018-11-23 04:59:34,732 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:59:34,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 596 SyntacticMatches, 113 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9426 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=2939, Invalid=17083, Unknown=0, NotChecked=0, Total=20022 [2018-11-23 04:59:34,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:59:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:59:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:59:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:59:34,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2018-11-23 04:59:34,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:34,740 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:59:34,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 04:59:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:59:34,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:59:34,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:59:34,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:34,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:34,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:34,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:34,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,125 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 155 [2018-11-23 04:59:35,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:35,372 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 160 [2018-11-23 04:59:35,786 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 43 [2018-11-23 04:59:36,069 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 44 [2018-11-23 04:59:36,315 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2018-11-23 04:59:36,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 04:59:36,317 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,318 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 04:59:36,319 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 04:59:36,320 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 04:59:36,321 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,322 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 04:59:36,323 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 04:59:36,324 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,325 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 04:59:36,326 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 04:59:36,327 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse8 (= 6 |old(~a19~0)|)) (.cse9 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse3 (and .cse6 .cse7 .cse5)) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7) .cse0 .cse1 (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0)) (or .cse3 .cse0 .cse1 .cse8 .cse2) (or .cse9 .cse0 .cse1 .cse8 .cse3) (or .cse9 .cse0 .cse1 .cse3 (< 33 |old(~a1~0)|) .cse4)))) [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,328 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 04:59:36,329 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 04:59:36,330 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,331 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 04:59:36,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:36,333 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-23 04:59:36,333 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:59:36,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:36,333 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 04:59:36,333 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 04:59:36,333 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse3 .cse2) (and .cse0 .cse3) (and (not (= main_~input~0 0)) (= 9 ~a19~0)))) [2018-11-23 04:59:36,333 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 04:59:36,333 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 04:59:36,333 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (= 9 ~a19~0) (and .cse3 .cse2) (and .cse0 .cse3))) [2018-11-23 04:59:36,334 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 04:59:36,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:59:36 BoogieIcfgContainer [2018-11-23 04:59:36,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:59:36,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:59:36,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:59:36,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:59:36,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:34" (3/4) ... [2018-11-23 04:59:36,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:59:36,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:59:36,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:59:36,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:59:36,363 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:59:36,364 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:59:36,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(23 == \old(a1)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) [2018-11-23 04:59:36,472 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_294f7ea2-e27d-452f-882b-4d9d0bc9a287/bin-2019/utaipan/witness.graphml [2018-11-23 04:59:36,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:59:36,473 INFO L168 Benchmark]: Toolchain (without parser) took 63771.78 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 951.1 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 989.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,473 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:59:36,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,474 INFO L168 Benchmark]: Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,474 INFO L168 Benchmark]: RCFGBuilder took 820.24 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,474 INFO L168 Benchmark]: TraceAbstraction took 62328.42 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 849.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,478 INFO L168 Benchmark]: Witness Printer took 128.48 ms. Allocated memory is still 4.7 GB. Free memory was 3.7 GB in the beginning and 3.6 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:36,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 820.24 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 62328.42 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 849.8 MB. Max. memory is 11.5 GB. * Witness Printer took 128.48 ms. Allocated memory is still 4.7 GB. Free memory was 3.7 GB in the beginning and 3.6 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 == \old(a1)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 62.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 44.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 701 SDtfs, 18286 SDslu, 1500 SDs, 0 SdLazy, 21464 SolverSat, 5531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2431 GetRequests, 2065 SyntacticMatches, 121 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10228 ImplicationChecksByTransitivity, 21.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2312occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9973805295824982 AbsIntWeakeningRatio, 0.09885931558935361 AbsIntAvgWeakeningVarsNumRemoved, 14.49809885931559 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 542 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 155 PreInvPairs, 337 NumberOfFragments, 316 HoareAnnotationTreeSize, 155 FomulaSimplifications, 31856 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13478 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 2514 NumberOfCodeBlocks, 2514 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3315 ConstructedInterpolants, 124 QuantifiedInterpolants, 7991340 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1374 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1785/2274 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...