./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/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 28b1d24b851fc193321d917a51d82cffe4d9ea6e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:16:10,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:16:10,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:16:10,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:16:10,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:16:10,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:16:10,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:16:10,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:16:10,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:16:10,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:16:10,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:16:10,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:16:10,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:16:10,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:16:10,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:16:10,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:16:10,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:16:10,983 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:16:10,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:16:10,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:16:10,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:16:10,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:16:10,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:16:10,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:16:10,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:16:10,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:16:10,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:16:10,990 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:16:10,991 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:16:10,992 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:16:10,992 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:16:10,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:16:10,992 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:16:10,992 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:16:10,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:16:10,993 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:16:10,994 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:16:11,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:16:11,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:16:11,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:16:11,005 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:16:11,005 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:16:11,006 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:16:11,006 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:16:11,006 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:16:11,006 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:16:11,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:16:11,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:16:11,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:16:11,008 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:16:11,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:16:11,008 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:16:11,009 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_9e90a69c-90d7-4785-865f-6dd68123fc3b/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 -> 28b1d24b851fc193321d917a51d82cffe4d9ea6e [2018-12-09 19:16:11,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:16:11,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:16:11,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:16:11,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:16:11,040 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:16:11,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c [2018-12-09 19:16:11,077 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/data/7c5140fea/7e2b33d145e347c3bf535643c119af19/FLAG0a7ea47f7 [2018-12-09 19:16:11,542 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:16:11,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c [2018-12-09 19:16:11,551 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/data/7c5140fea/7e2b33d145e347c3bf535643c119af19/FLAG0a7ea47f7 [2018-12-09 19:16:11,560 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/data/7c5140fea/7e2b33d145e347c3bf535643c119af19 [2018-12-09 19:16:11,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:16:11,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:16:11,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:16:11,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:16:11,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:16:11,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:16:11" (1/1) ... [2018-12-09 19:16:11,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:11, skipping insertion in model container [2018-12-09 19:16:11,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:16:11" (1/1) ... [2018-12-09 19:16:11,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:16:11,612 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:16:11,907 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:16:11,910 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:16:12,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:16:12,088 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:16:12,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12 WrapperNode [2018-12-09 19:16:12,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:16:12,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:16:12,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:16:12,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:16:12,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:16:12,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:16:12,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:16:12,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:16:12,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... [2018-12-09 19:16:12,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:16:12,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:16:12,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:16:12,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:16:12,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:16:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:16:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:16:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:16:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:16:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:16:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:16:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:16:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:16:13,345 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:16:13,345 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:16:13,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:16:13 BoogieIcfgContainer [2018-12-09 19:16:13,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:16:13,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:16:13,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:16:13,350 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:16:13,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:16:11" (1/3) ... [2018-12-09 19:16:13,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:16:13, skipping insertion in model container [2018-12-09 19:16:13,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:16:12" (2/3) ... [2018-12-09 19:16:13,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:16:13, skipping insertion in model container [2018-12-09 19:16:13,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:16:13" (3/3) ... [2018-12-09 19:16:13,353 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label32_true-unreach-call.c [2018-12-09 19:16:13,361 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:16:13,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:16:13,381 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:16:13,410 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:16:13,410 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:16:13,410 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:16:13,410 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:16:13,410 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:16:13,410 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:16:13,411 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:16:13,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:16:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-12-09 19:16:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-09 19:16:13,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:13,443 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:13,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:13,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:13,450 INFO L82 PathProgramCache]: Analyzing trace with hash -846647824, now seen corresponding path program 1 times [2018-12-09 19:16:13,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:13,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:13,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:13,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:13,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:13,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:16:13,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:16:13,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:13,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:13,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:13,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:16:13,860 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-12-09 19:16:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:14,467 INFO L93 Difference]: Finished difference Result 842 states and 1484 transitions. [2018-12-09 19:16:14,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:14,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2018-12-09 19:16:14,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:14,477 INFO L225 Difference]: With dead ends: 842 [2018-12-09 19:16:14,477 INFO L226 Difference]: Without dead ends: 469 [2018-12-09 19:16:14,480 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:16:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-12-09 19:16:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2018-12-09 19:16:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-09 19:16:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 718 transitions. [2018-12-09 19:16:14,518 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 718 transitions. Word has length 195 [2018-12-09 19:16:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:14,518 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 718 transitions. [2018-12-09 19:16:14,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 718 transitions. [2018-12-09 19:16:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 19:16:14,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:14,521 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:14,522 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:14,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:14,522 INFO L82 PathProgramCache]: Analyzing trace with hash 175357299, now seen corresponding path program 1 times [2018-12-09 19:16:14,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:14,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:14,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:14,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:14,523 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:14,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:16:14,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:16:14,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:14,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:16:14,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:16:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:16:14,649 INFO L87 Difference]: Start difference. First operand 468 states and 718 transitions. Second operand 6 states. [2018-12-09 19:16:15,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:15,456 INFO L93 Difference]: Finished difference Result 1409 states and 2231 transitions. [2018-12-09 19:16:15,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:16:15,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2018-12-09 19:16:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:15,461 INFO L225 Difference]: With dead ends: 1409 [2018-12-09 19:16:15,461 INFO L226 Difference]: Without dead ends: 947 [2018-12-09 19:16:15,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:16:15,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2018-12-09 19:16:15,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 910. [2018-12-09 19:16:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-12-09 19:16:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1387 transitions. [2018-12-09 19:16:15,500 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1387 transitions. Word has length 204 [2018-12-09 19:16:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:15,500 INFO L480 AbstractCegarLoop]: Abstraction has 910 states and 1387 transitions. [2018-12-09 19:16:15,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:16:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1387 transitions. [2018-12-09 19:16:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-09 19:16:15,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:15,505 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:15,505 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:15,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:15,506 INFO L82 PathProgramCache]: Analyzing trace with hash 94250244, now seen corresponding path program 1 times [2018-12-09 19:16:15,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:15,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:15,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:15,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:15,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:15,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:16:15,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:16:15,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:15,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:15,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:15,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:16:15,653 INFO L87 Difference]: Start difference. First operand 910 states and 1387 transitions. Second operand 3 states. [2018-12-09 19:16:16,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:16,226 INFO L93 Difference]: Finished difference Result 2674 states and 4169 transitions. [2018-12-09 19:16:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:16,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2018-12-09 19:16:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:16,234 INFO L225 Difference]: With dead ends: 2674 [2018-12-09 19:16:16,234 INFO L226 Difference]: Without dead ends: 1770 [2018-12-09 19:16:16,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:16:16,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2018-12-09 19:16:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1748. [2018-12-09 19:16:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1748 states. [2018-12-09 19:16:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2648 transitions. [2018-12-09 19:16:16,274 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2648 transitions. Word has length 207 [2018-12-09 19:16:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:16,275 INFO L480 AbstractCegarLoop]: Abstraction has 1748 states and 2648 transitions. [2018-12-09 19:16:16,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2648 transitions. [2018-12-09 19:16:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-09 19:16:16,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:16,279 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:16,279 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:16,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:16,279 INFO L82 PathProgramCache]: Analyzing trace with hash 640358255, now seen corresponding path program 1 times [2018-12-09 19:16:16,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:16,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:16,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:16,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:16,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:16,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:16,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:16,403 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-09 19:16:16,405 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:16,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:16,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:16,979 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:16:16,980 INFO L272 AbstractInterpreter]: Visited 196 different actions 196 times. Never merged. Never widened. Performed 4225 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4225 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-12-09 19:16:16,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:16,985 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:16:17,501 INFO L227 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 74.01% of their original sizes. [2018-12-09 19:16:17,501 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:16:17,593 INFO L418 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-12-09 19:16:17,594 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:16:17,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:17,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-09 19:16:17,594 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:17,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 19:16:17,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 19:16:17,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:16:17,595 INFO L87 Difference]: Start difference. First operand 1748 states and 2648 transitions. Second operand 13 states. [2018-12-09 19:16:20,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:20,217 INFO L93 Difference]: Finished difference Result 3698 states and 5593 transitions. [2018-12-09 19:16:20,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:16:20,217 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2018-12-09 19:16:20,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:20,221 INFO L225 Difference]: With dead ends: 3698 [2018-12-09 19:16:20,221 INFO L226 Difference]: Without dead ends: 1956 [2018-12-09 19:16:20,223 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:16:20,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2018-12-09 19:16:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1955. [2018-12-09 19:16:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2018-12-09 19:16:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2865 transitions. [2018-12-09 19:16:20,249 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2865 transitions. Word has length 224 [2018-12-09 19:16:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:20,249 INFO L480 AbstractCegarLoop]: Abstraction has 1955 states and 2865 transitions. [2018-12-09 19:16:20,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 19:16:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2865 transitions. [2018-12-09 19:16:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 19:16:20,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:20,252 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:20,253 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:20,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash -404497400, now seen corresponding path program 1 times [2018-12-09 19:16:20,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:20,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:20,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:20,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:20,323 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:20,323 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-12-09 19:16:20,323 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:20,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:20,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:20,899 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:16:20,899 INFO L272 AbstractInterpreter]: Visited 200 different actions 392 times. Merged at 3 different actions 3 times. Never widened. Performed 8824 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8824 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:20,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:20,908 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:16:20,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:20,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:16:20,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:20,915 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:16:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:21,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:16:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:16:21,166 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:16:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:16:21,251 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:21,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:16:21,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:21,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:21,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:21,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:21,252 INFO L87 Difference]: Start difference. First operand 1955 states and 2865 transitions. Second operand 3 states. [2018-12-09 19:16:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:21,869 INFO L93 Difference]: Finished difference Result 5383 states and 8281 transitions. [2018-12-09 19:16:21,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:21,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-12-09 19:16:21,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:21,881 INFO L225 Difference]: With dead ends: 5383 [2018-12-09 19:16:21,881 INFO L226 Difference]: Without dead ends: 3641 [2018-12-09 19:16:21,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 464 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2018-12-09 19:16:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 3636. [2018-12-09 19:16:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3636 states. [2018-12-09 19:16:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 5283 transitions. [2018-12-09 19:16:21,934 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 5283 transitions. Word has length 233 [2018-12-09 19:16:21,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:21,934 INFO L480 AbstractCegarLoop]: Abstraction has 3636 states and 5283 transitions. [2018-12-09 19:16:21,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 5283 transitions. [2018-12-09 19:16:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 19:16:21,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:21,941 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:21,941 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:21,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:21,941 INFO L82 PathProgramCache]: Analyzing trace with hash -174454027, now seen corresponding path program 1 times [2018-12-09 19:16:21,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:21,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:21,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:21,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:21,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:22,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:22,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:22,037 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 241 with the following transitions: [2018-12-09 19:16:22,037 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:22,041 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:22,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:22,568 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:16:22,568 INFO L272 AbstractInterpreter]: Visited 200 different actions 392 times. Merged at 3 different actions 3 times. Never widened. Performed 8826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:22,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:22,569 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:16:22,569 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:22,569 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:16:22,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:22,575 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:16:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:22,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:16:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:22,702 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:16:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:22,769 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:22,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:16:22,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:22,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:22,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:22,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:22,770 INFO L87 Difference]: Start difference. First operand 3636 states and 5283 transitions. Second operand 3 states. [2018-12-09 19:16:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:23,384 INFO L93 Difference]: Finished difference Result 10216 states and 15415 transitions. [2018-12-09 19:16:23,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:23,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2018-12-09 19:16:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:23,414 INFO L225 Difference]: With dead ends: 10216 [2018-12-09 19:16:23,414 INFO L226 Difference]: Without dead ends: 6793 [2018-12-09 19:16:23,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 478 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2018-12-09 19:16:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 6768. [2018-12-09 19:16:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2018-12-09 19:16:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 10102 transitions. [2018-12-09 19:16:23,518 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 10102 transitions. Word has length 240 [2018-12-09 19:16:23,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:23,519 INFO L480 AbstractCegarLoop]: Abstraction has 6768 states and 10102 transitions. [2018-12-09 19:16:23,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 10102 transitions. [2018-12-09 19:16:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-09 19:16:23,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:23,529 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:16:23,529 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:23,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:23,529 INFO L82 PathProgramCache]: Analyzing trace with hash -457611526, now seen corresponding path program 1 times [2018-12-09 19:16:23,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:23,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:23,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:23,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:23,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:23,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:23,629 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:23,629 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-09 19:16:23,629 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:23,634 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:23,634 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:24,176 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:16:24,176 INFO L272 AbstractInterpreter]: Visited 200 different actions 392 times. Merged at 3 different actions 3 times. Never widened. Performed 8832 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:24,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:24,178 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:16:24,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:24,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/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 [2018-12-09 19:16:24,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:24,184 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:16:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:24,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:16:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:24,330 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:16:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:24,390 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:24,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:16:24,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:24,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:24,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:24,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:24,391 INFO L87 Difference]: Start difference. First operand 6768 states and 10102 transitions. Second operand 3 states. [2018-12-09 19:16:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:24,917 INFO L93 Difference]: Finished difference Result 18945 states and 29084 transitions. [2018-12-09 19:16:24,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:24,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2018-12-09 19:16:24,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:24,946 INFO L225 Difference]: With dead ends: 18945 [2018-12-09 19:16:24,946 INFO L226 Difference]: Without dead ends: 12390 [2018-12-09 19:16:24,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 516 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:16:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12390 states. [2018-12-09 19:16:25,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12390 to 12387. [2018-12-09 19:16:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12387 states. [2018-12-09 19:16:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12387 states to 12387 states and 17143 transitions. [2018-12-09 19:16:25,104 INFO L78 Accepts]: Start accepts. Automaton has 12387 states and 17143 transitions. Word has length 259 [2018-12-09 19:16:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:25,105 INFO L480 AbstractCegarLoop]: Abstraction has 12387 states and 17143 transitions. [2018-12-09 19:16:25,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 12387 states and 17143 transitions. [2018-12-09 19:16:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 19:16:25,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:25,123 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:16:25,123 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:25,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:25,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1601607134, now seen corresponding path program 1 times [2018-12-09 19:16:25,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:25,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:25,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:25,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:25,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:25,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:25,349 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:25,349 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-12-09 19:16:25,349 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:25,355 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:25,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:25,796 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:16:25,796 INFO L272 AbstractInterpreter]: Visited 199 different actions 391 times. Merged at 4 different actions 4 times. Never widened. Performed 8578 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8578 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:25,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:25,798 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:16:25,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:25,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:16:25,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:25,804 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:16:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:25,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:16:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:25,925 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:16:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:16:26,008 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:26,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-09 19:16:26,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:26,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:16:26,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:16:26,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:16:26,009 INFO L87 Difference]: Start difference. First operand 12387 states and 17143 transitions. Second operand 3 states. [2018-12-09 19:16:26,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:26,613 INFO L93 Difference]: Finished difference Result 30185 states and 43415 transitions. [2018-12-09 19:16:26,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:16:26,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2018-12-09 19:16:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:26,648 INFO L225 Difference]: With dead ends: 30185 [2018-12-09 19:16:26,648 INFO L226 Difference]: Without dead ends: 18011 [2018-12-09 19:16:26,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 589 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:16:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2018-12-09 19:16:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 18008. [2018-12-09 19:16:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18008 states. [2018-12-09 19:16:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18008 states to 18008 states and 25747 transitions. [2018-12-09 19:16:26,932 INFO L78 Accepts]: Start accepts. Automaton has 18008 states and 25747 transitions. Word has length 295 [2018-12-09 19:16:26,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:26,933 INFO L480 AbstractCegarLoop]: Abstraction has 18008 states and 25747 transitions. [2018-12-09 19:16:26,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:16:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 18008 states and 25747 transitions. [2018-12-09 19:16:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-09 19:16:26,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:26,956 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:16:26,956 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:26,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:26,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1154212350, now seen corresponding path program 1 times [2018-12-09 19:16:26,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:26,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:26,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:26,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:26,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 154 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:16:27,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:27,143 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:27,143 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-12-09 19:16:27,144 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:27,149 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:27,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:27,543 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:16:27,543 INFO L272 AbstractInterpreter]: Visited 200 different actions 394 times. Merged at 4 different actions 4 times. Never widened. Performed 8466 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8466 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:27,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:27,545 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:16:28,085 INFO L227 lantSequenceWeakener]: Weakened 345 states. On average, predicates are now at 73% of their original sizes. [2018-12-09 19:16:28,086 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:16:28,302 INFO L418 sIntCurrentIteration]: We unified 347 AI predicates to 347 [2018-12-09 19:16:28,302 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:16:28,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:16:28,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-12-09 19:16:28,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:16:28,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-09 19:16:28,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-09 19:16:28,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:16:28,303 INFO L87 Difference]: Start difference. First operand 18008 states and 25747 transitions. Second operand 21 states. [2018-12-09 19:16:43,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:43,203 INFO L93 Difference]: Finished difference Result 36015 states and 51573 transitions. [2018-12-09 19:16:43,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:16:43,203 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 348 [2018-12-09 19:16:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:43,232 INFO L225 Difference]: With dead ends: 36015 [2018-12-09 19:16:43,232 INFO L226 Difference]: Without dead ends: 18220 [2018-12-09 19:16:43,248 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 356 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-12-09 19:16:43,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18220 states. [2018-12-09 19:16:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18220 to 18218. [2018-12-09 19:16:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18218 states. [2018-12-09 19:16:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 25967 transitions. [2018-12-09 19:16:43,432 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 25967 transitions. Word has length 348 [2018-12-09 19:16:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:43,432 INFO L480 AbstractCegarLoop]: Abstraction has 18218 states and 25967 transitions. [2018-12-09 19:16:43,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-09 19:16:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 25967 transitions. [2018-12-09 19:16:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-09 19:16:43,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:16:43,452 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:16:43,452 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:16:43,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:43,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1003333834, now seen corresponding path program 1 times [2018-12-09 19:16:43,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:16:43,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:43,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:43,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:16:43,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:16:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 45 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:16:43,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:43,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:16:43,692 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 359 with the following transitions: [2018-12-09 19:16:43,692 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1029], [1031], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:16:43,695 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:16:43,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:16:44,155 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:16:44,155 INFO L272 AbstractInterpreter]: Visited 201 different actions 394 times. Merged at 3 different actions 3 times. Never widened. Performed 8871 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:16:44,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:16:44,159 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:16:44,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:16:44,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:16:44,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:16:44,165 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:16:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:44,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:16:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:44,322 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:16:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:16:44,431 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:16:44,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 19:16:44,431 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:16:44,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:16:44,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:16:44,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:16:44,432 INFO L87 Difference]: Start difference. First operand 18218 states and 25967 transitions. Second operand 9 states. [2018-12-09 19:16:46,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:16:46,461 INFO L93 Difference]: Finished difference Result 48962 states and 75079 transitions. [2018-12-09 19:16:46,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:16:46,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 358 [2018-12-09 19:16:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:16:46,461 INFO L225 Difference]: With dead ends: 48962 [2018-12-09 19:16:46,461 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:16:46,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:16:46,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:16:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:16:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:16:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:16:46,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2018-12-09 19:16:46,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:16:46,507 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:16:46,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:16:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:16:46,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:16:46,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:16:46,763 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 28 [2018-12-09 19:16:47,074 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2018-12-09 19:16:48,216 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 462 DAG size of output: 176 [2018-12-09 19:16:48,356 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-09 19:16:48,520 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-09 19:16:48,521 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:16:48,521 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a0~0)| ~a0~0) (= ~a5~0 |old(~a5~0)|)) [2018-12-09 19:16:48,521 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,522 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,523 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,524 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,525 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-12-09 19:16:48,526 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~a27~0)|)))) (let ((.cse0 (< 0 |old(~a6~0)|)) (.cse5 (let ((.cse45 (not (= 1 |old(~a10~0)|))) (.cse46 (not (= 1 |old(~a22~0)|))) (.cse47 (not (= 0 |old(~a11~0)|))) (.cse48 (not (= 1 |old(~a16~0)|))) (.cse49 (not (= 1 ~a18~0))) (.cse50 (not (= 0 |old(~a26~0)|))) (.cse51 (not (= 1 |old(~a1~0)|))) (.cse52 (not (= 0 |old(~a2~0)|))) (.cse53 (not (= 0 |old(~a12~0)|))) (.cse54 (not (= 0 |old(~a25~0)|))) (.cse55 (not (= 0 |old(~a7~0)|)))) (and (or .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse14) (or .cse45 (not (= 0 |old(~a27~0)|)) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55)))) (.cse6 (not (= 0 |old(~a6~0)|))) (.cse7 (not (= 1 |old(~a15~0)|))) (.cse35 (= ~a19~0 0)) (.cse20 (= ~a4~0 1)) (.cse36 (= ~a8~0 0)) (.cse21 (= ~a16~0 1)) (.cse22 (= ~a15~0 1)) (.cse23 (= ~a26~0 0)) (.cse24 (= ~a11~0 0)) (.cse25 (= ~a17~0 0)) (.cse26 (= ~a20~0 0)) (.cse27 (= ~a25~0 0)) (.cse28 (= ~a23~0 0)) (.cse29 (= ~a22~0 1)) (.cse30 (= ~a1~0 1)) (.cse31 (= ~a29~0 1)) (.cse32 (= ~a6~0 0)) (.cse33 (= ~a14~0 0)) (.cse34 (= ~a3~0 1)) (.cse37 (= ~a7~0 0)) (.cse38 (= ~a10~0 1)) (.cse39 (= ~a2~0 0)) (.cse8 (not (= 0 |old(~a20~0)|))) (.cse9 (not (= 0 |old(~a23~0)|))) (.cse10 (not (= 1 |old(~a0~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= 1 |old(~a29~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 0 |old(~a8~0)|))) (.cse16 (not (= 0 |old(~a14~0)|))) (.cse17 (not (= 1 |old(~a3~0)|))) (.cse18 (not (= 0 |old(~a17~0)|))) (.cse19 (not (= 1 |old(~a4~0)|))) (.cse42 (< |old(~a3~0)| 2)) (.cse43 (= 1 |old(~a11~0)|)) (.cse41 (<= ~a27~0 0)) (.cse40 (< 0 |old(~a27~0)|)) (.cse4 (not (= 1 |old(~a5~0)|))) (.cse44 (not (= 1 |old(~a26~0)|))) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= |old(~a0~0)| ~a0~0)) (.cse3 (= ~a5~0 |old(~a5~0)|))) (and (or .cse0 (and .cse1 .cse2 (<= ~a6~0 0) .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 1) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (or .cse4 (and .cse1 (<= ~a3~0 0) .cse2 .cse3) (< 0 |old(~a3~0)|)) (or (not (= 1 |old(~a12~0)|)) .cse4 .cse40 (and .cse2 .cse3 (= 1 ~a12~0) .cse41)) (or .cse0 .cse4 .cse40 .cse42 .cse41) (or .cse5 .cse6 .cse7 (and (and .cse35 .cse20 .cse36 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) .cse37 .cse38 .cse39) .cse8 .cse9 .cse10 .cse11 .cse12 .cse40 .cse13 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19) (or .cse43 .cse4 (and .cse1 .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse4 .cse42 (and .cse1 .cse2 (<= 2 ~a3~0) .cse3)) (or .cse41 .cse43 .cse4 .cse40) (or .cse41 .cse4 .cse44 .cse40) (or .cse4 .cse44 (and .cse1 .cse2 .cse3 (= 1 ~a26~0)))))) [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-12-09 19:16:48,527 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,528 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,529 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-12-09 19:16:48,530 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,531 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,532 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 19:16:48,533 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1602) no Hoare annotation was computed. [2018-12-09 19:16:48,534 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-12-09 19:16:48,535 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-12-09 19:16:48,535 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= |old(~a0~0)| ~a0~0) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-12-09 19:16:48,536 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 19:16:48,536 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-09 19:16:48,536 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 19:16:48,536 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-09 19:16:48,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:16:48 BoogieIcfgContainer [2018-12-09 19:16:48,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:16:48,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:16:48,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:16:48,546 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:16:48,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:16:13" (3/4) ... [2018-12-09 19:16:48,549 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:16:48,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:16:48,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:16:48,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:16:48,569 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:16:48,571 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:16:48,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) [2018-12-09 19:16:48,673 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e90a69c-90d7-4785-865f-6dd68123fc3b/bin-2019/utaipan/witness.graphml [2018-12-09 19:16:48,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:16:48,673 INFO L168 Benchmark]: Toolchain (without parser) took 37111.36 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 948.1 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 779.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,674 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:16:48,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.86 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,674 INFO L168 Benchmark]: Boogie Preprocessor took 54.31 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,675 INFO L168 Benchmark]: RCFGBuilder took 1177.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.0 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,675 INFO L168 Benchmark]: TraceAbstraction took 35199.09 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 834.0 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,675 INFO L168 Benchmark]: Witness Printer took 126.55 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:48,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 526.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.86 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.31 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1177.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.0 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35199.09 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 834.0 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 126.55 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1602]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 35.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 24.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2390 SDtfs, 5945 SDslu, 861 SDs, 0 SdLazy, 9735 SolverSat, 1562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3412 GetRequests, 3314 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18218occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9991128182909965 AbsIntWeakeningRatio, 0.22982456140350876 AbsIntAvgWeakeningVarsNumRemoved, 60.10877192982456 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 99 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 562 PreInvPairs, 1078 NumberOfFragments, 1193 HoareAnnotationTreeSize, 562 FomulaSimplifications, 19360 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7461 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3948 NumberOfCodeBlocks, 3948 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5313 ConstructedInterpolants, 0 QuantifiedInterpolants, 3724528 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5474 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1709/1827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...