./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_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_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/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 d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:31:15,102 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:31:15,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:31:15,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:31:15,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:31:15,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:31:15,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:31:15,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:31:15,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:31:15,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:31:15,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:31:15,115 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:31:15,116 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:31:15,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:31:15,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:31:15,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:31:15,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:31:15,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:31:15,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:31:15,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:31:15,123 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:31:15,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:31:15,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:31:15,125 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:31:15,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:31:15,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:31:15,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:31:15,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:31:15,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:31:15,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:31:15,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:31:15,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:31:15,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:31:15,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:31:15,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:31:15,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:31:15,130 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:31:15,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:31:15,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:31:15,138 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:31:15,138 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:31:15,138 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:31:15,139 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:31:15,139 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:31:15,140 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:31:15,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:31:15,140 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:31:15,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:31:15,140 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:31:15,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:31:15,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:31:15,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:31:15,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:31:15,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:31:15,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:31:15,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:31:15,143 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:31:15,143 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_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/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 -> d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac [2018-11-23 06:31:15,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:31:15,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:31:15,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:31:15,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:31:15,179 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:31:15,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-23 06:31:15,222 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/data/114322a46/0a36f858a54544619358eef70054f4ed/FLAGdf7b2795a [2018-11-23 06:31:15,668 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:31:15,669 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-23 06:31:15,680 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/data/114322a46/0a36f858a54544619358eef70054f4ed/FLAGdf7b2795a [2018-11-23 06:31:15,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/data/114322a46/0a36f858a54544619358eef70054f4ed [2018-11-23 06:31:15,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:31:15,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:31:15,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:31:15,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:31:15,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:31:15,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:15" (1/1) ... [2018-11-23 06:31:15,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9222f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:15, skipping insertion in model container [2018-11-23 06:31:15,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:15" (1/1) ... [2018-11-23 06:31:15,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:31:15,742 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:31:15,973 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:31:15,977 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:31:16,046 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:31:16,059 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:31:16,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16 WrapperNode [2018-11-23 06:31:16,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:31:16,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:31:16,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:31:16,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:31:16,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:31:16,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:31:16,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:31:16,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:31:16,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... [2018-11-23 06:31:16,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:31:16,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:31:16,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:31:16,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:31:16,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/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 06:31:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:31:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:31:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:31:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:31:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:31:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:31:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:31:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:31:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:31:17,305 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:31:17,306 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:31:17,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:17 BoogieIcfgContainer [2018-11-23 06:31:17,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:31:17,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:31:17,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:31:17,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:31:17,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:31:15" (1/3) ... [2018-11-23 06:31:17,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b819094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:17, skipping insertion in model container [2018-11-23 06:31:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:16" (2/3) ... [2018-11-23 06:31:17,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b819094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:17, skipping insertion in model container [2018-11-23 06:31:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:17" (3/3) ... [2018-11-23 06:31:17,312 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label51_true-unreach-call.c [2018-11-23 06:31:17,319 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:31:17,327 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:31:17,339 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:31:17,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:31:17,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:31:17,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:31:17,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:31:17,364 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:31:17,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:31:17,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:31:17,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:31:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 06:31:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 06:31:17,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:31:17,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:31:17,392 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:31:17,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:17,397 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2018-11-23 06:31:17,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:31:17,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:17,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:17,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:17,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:31:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:17,628 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 06:31:17,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:31:17,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:31:17,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:31:17,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:31:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:31:17,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:31:17,645 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-11-23 06:31:19,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:31:19,110 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-11-23 06:31:19,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:31:19,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-11-23 06:31:19,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:31:19,124 INFO L225 Difference]: With dead ends: 733 [2018-11-23 06:31:19,124 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 06:31:19,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:31:19,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 06:31:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 354. [2018-11-23 06:31:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 06:31:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 611 transitions. [2018-11-23 06:31:19,182 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 611 transitions. Word has length 56 [2018-11-23 06:31:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:31:19,183 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 611 transitions. [2018-11-23 06:31:19,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:31:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 611 transitions. [2018-11-23 06:31:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 06:31:19,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:31:19,187 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 06:31:19,187 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:31:19,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:19,188 INFO L82 PathProgramCache]: Analyzing trace with hash 371731122, now seen corresponding path program 1 times [2018-11-23 06:31:19,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:31:19,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:19,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:19,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:19,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:31:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:31:19,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:31:19,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:31:19,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-11-23 06:31:19,328 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], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 06:31:19,355 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:31:19,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:31:19,757 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:31:19,758 INFO L272 AbstractInterpreter]: Visited 77 different actions 218 times. Merged at 4 different actions 7 times. Never widened. Performed 1947 root evaluator evaluations with a maximum evaluation depth of 7. Performed 1947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:31:19,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:19,786 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:31:19,997 INFO L227 lantSequenceWeakener]: Weakened 123 states. On average, predicates are now at 76.31% of their original sizes. [2018-11-23 06:31:19,997 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:31:20,038 INFO L415 sIntCurrentIteration]: We unified 125 AI predicates to 125 [2018-11-23 06:31:20,038 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:31:20,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:31:20,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-23 06:31:20,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:31:20,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:31:20,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:31:20,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:31:20,041 INFO L87 Difference]: Start difference. First operand 354 states and 611 transitions. Second operand 10 states. [2018-11-23 06:31:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:31:47,143 INFO L93 Difference]: Finished difference Result 1522 states and 2785 transitions. [2018-11-23 06:31:47,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 06:31:47,143 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2018-11-23 06:31:47,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:31:47,149 INFO L225 Difference]: With dead ends: 1522 [2018-11-23 06:31:47,150 INFO L226 Difference]: Without dead ends: 1174 [2018-11-23 06:31:47,152 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 06:31:47,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2018-11-23 06:31:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1158. [2018-11-23 06:31:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2018-11-23 06:31:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1583 transitions. [2018-11-23 06:31:47,192 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1583 transitions. Word has length 126 [2018-11-23 06:31:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:31:47,193 INFO L480 AbstractCegarLoop]: Abstraction has 1158 states and 1583 transitions. [2018-11-23 06:31:47,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:31:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1583 transitions. [2018-11-23 06:31:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 06:31:47,197 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:31:47,198 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:31:47,198 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:31:47,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:47,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1142949717, now seen corresponding path program 1 times [2018-11-23 06:31:47,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:31:47,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:47,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:47,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:47,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:31:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 99 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 06:31:47,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:31:47,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:31:47,415 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-23 06:31:47,415 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], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [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], [542], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 06:31:47,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:31:47,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:31:47,558 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:31:47,559 INFO L272 AbstractInterpreter]: Visited 90 different actions 262 times. Merged at 6 different actions 13 times. Never widened. Performed 2510 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2510 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 06:31:47,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:47,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:31:47,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:31:47,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/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 06:31:47,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:47,575 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:31:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:47,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:31:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:31:47,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:31:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:31:47,846 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:31:47,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-23 06:31:47,846 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:31:47,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:31:47,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:31:47,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-23 06:31:47,847 INFO L87 Difference]: Start difference. First operand 1158 states and 1583 transitions. Second operand 11 states. [2018-11-23 06:31:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:31:49,330 INFO L93 Difference]: Finished difference Result 3629 states and 5562 transitions. [2018-11-23 06:31:49,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 06:31:49,330 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2018-11-23 06:31:49,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:31:49,336 INFO L225 Difference]: With dead ends: 3629 [2018-11-23 06:31:49,337 INFO L226 Difference]: Without dead ends: 2122 [2018-11-23 06:31:49,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 436 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2018-11-23 06:31:49,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2018-11-23 06:31:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1975. [2018-11-23 06:31:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2018-11-23 06:31:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2375 transitions. [2018-11-23 06:31:49,374 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2375 transitions. Word has length 216 [2018-11-23 06:31:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:31:49,375 INFO L480 AbstractCegarLoop]: Abstraction has 1975 states and 2375 transitions. [2018-11-23 06:31:49,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:31:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2375 transitions. [2018-11-23 06:31:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 06:31:49,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:31:49,379 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:31:49,379 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:31:49,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:49,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1997304092, now seen corresponding path program 1 times [2018-11-23 06:31:49,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:31:49,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:49,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:49,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:49,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:31:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 06:31:49,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:31:49,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:31:49,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:31:49,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:31:49,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:31:49,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:31:49,493 INFO L87 Difference]: Start difference. First operand 1975 states and 2375 transitions. Second operand 4 states. [2018-11-23 06:31:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:31:49,933 INFO L93 Difference]: Finished difference Result 4230 states and 5166 transitions. [2018-11-23 06:31:49,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:31:49,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 307 [2018-11-23 06:31:49,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:31:49,939 INFO L225 Difference]: With dead ends: 4230 [2018-11-23 06:31:49,939 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:31:49,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:31:49,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:31:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:31:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:31:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:31:49,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2018-11-23 06:31:49,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:31:49,946 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:31:49,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:31:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:31:49,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:31:49,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:31:50,331 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:31:50,441 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a19~0)| ~a19~0) [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,441 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 06:31:50,442 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,443 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 06:31:50,444 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,445 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 06:31:50,446 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 06:31:50,447 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 06:31:50,448 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,449 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,450 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 06:31:50,451 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,452 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 06:31:50,453 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 06:31:50,454 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 06:31:50,455 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 06:31:50,456 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 3 |old(~a10~0)|)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse1 (<= (+ |old(~a1~0)| 13) 0)) (.cse2 (< 0 (+ ~a1~0 13))) (.cse4 (< 8 |old(~a19~0)|)) (.cse9 (= 2 ~a10~0)) (.cse10 (not (= 2 |old(~a10~0)|))) (.cse5 (not (= 14 ~a4~0))) (.cse6 (not (= 0 ~a12~0))) (.cse7 (not (= 9 |old(~a19~0)|))) (.cse8 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (= 8 |old(~a19~0)|)) (or (= (mod ~a10~0 2) 0) .cse5 .cse6 (not (= 0 (mod |old(~a10~0)| 2))) .cse7 .cse8) (or .cse0 (and .cse3 (not (= 3 ~a10~0)))) (or .cse1 .cse4 (and .cse3 .cse2)) (or .cse7 .cse3) (or .cse1 .cse7 .cse2) (or .cse4 .cse9 .cse10) (or .cse9 (or .cse5 .cse6) .cse7 .cse8 .cse10) (or .cse5 .cse6 .cse7 (not (= 23 |old(~a1~0)|)) .cse8 (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) (= ~a1~0 23))))) [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,457 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 06:31:50,458 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,459 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 06:31:50,460 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 06:31:50,461 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 06:31:50,462 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 06:31:50,463 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 06:31:50,463 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:31:50,463 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 06:31:50,463 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:31:50,463 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:31:50,463 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 23))) [2018-11-23 06:31:50,463 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 06:31:50,464 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= 3 ~a10~0)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= 8 ~a19~0) (< 0 (+ ~a1~0 13))) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and (not (= ~a19~0 8)) (<= ~a19~0 8)) (= |old(~a19~0)| ~a19~0) (not (= 0 |old(~a10~0)|))) [2018-11-23 06:31:50,464 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 06:31:50,464 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 06:31:50,464 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= 3 ~a10~0)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= 8 ~a19~0) (< 0 (+ ~a1~0 13))) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and (not (= ~a19~0 8)) (<= ~a19~0 8)) (= |old(~a19~0)| ~a19~0) (not (= 0 |old(~a10~0)|))) [2018-11-23 06:31:50,464 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 06:31:50,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:31:50 BoogieIcfgContainer [2018-11-23 06:31:50,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:31:50,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:31:50,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:31:50,475 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:31:50,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:17" (3/4) ... [2018-11-23 06:31:50,481 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:31:50,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:31:50,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:31:50,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:31:50,493 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:31:50,494 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:31:50,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(3 == a10) || !(14 == a4)) || !(23 == \old(a1))) || (8 == a19 && 0 < a1 + 13)) || !(0 == a12)) || !(9 == \old(a19))) || (!(a19 == 8) && a19 <= 8)) || \old(a19) == a19) || !(0 == \old(a10)) [2018-11-23 06:31:50,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7b5783ff-48c6-4a1c-81c6-59ac45bfc658/bin-2019/utaipan/witness.graphml [2018-11-23 06:31:50,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:31:50,591 INFO L168 Benchmark]: Toolchain (without parser) took 34894.16 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 955.5 MB in the beginning and 956.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,591 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:31:50,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,592 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,592 INFO L168 Benchmark]: RCFGBuilder took 1114.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,593 INFO L168 Benchmark]: TraceAbstraction took 33167.82 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 956.8 MB in the end (delta: 58.7 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-23 06:31:50,593 INFO L168 Benchmark]: Witness Printer took 115.42 ms. Allocated memory is still 4.6 GB. Free memory is still 956.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:31:50,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1114.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33167.82 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 956.8 MB in the end (delta: 58.7 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 115.42 ms. Allocated memory is still 4.6 GB. Free memory is still 956.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: (((((((!(3 == a10) || !(14 == a4)) || !(23 == \old(a1))) || (8 == a19 && 0 < a1 + 13)) || !(0 == a12)) || !(9 == \old(a19))) || (!(a19 == 8) && a19 <= 8)) || \old(a19) == a19) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 33.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 30.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 420 SDtfs, 3709 SDslu, 750 SDs, 0 SdLazy, 5305 SolverSat, 1571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 611 GetRequests, 560 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1975occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9961241285030757 AbsIntWeakeningRatio, 0.16 AbsIntAvgWeakeningVarsNumRemoved, 14.432 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 321 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 47 PreInvPairs, 87 NumberOfFragments, 318 HoareAnnotationTreeSize, 47 FomulaSimplifications, 1025 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1428 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1131 ConstructedInterpolants, 0 QuantifiedInterpolants, 580853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 738/793 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...