./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/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 9204823cbe2b352839849e2ea06b227f99a40c67 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:43:39,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:43:39,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:43:39,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:43:39,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:43:39,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:43:39,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:43:39,094 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:43:39,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:43:39,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:43:39,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:43:39,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:43:39,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:43:39,097 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:43:39,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:43:39,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:43:39,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:43:39,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:43:39,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:43:39,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:43:39,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:43:39,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:43:39,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:43:39,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:43:39,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:43:39,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:43:39,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:43:39,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:43:39,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:43:39,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:43:39,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:43:39,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:43:39,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:43:39,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:43:39,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:43:39,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:43:39,108 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:43:39,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:43:39,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:43:39,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:43:39,116 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:43:39,116 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:43:39,116 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:43:39,116 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:43:39,116 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:43:39,116 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:43:39,117 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:43:39,117 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:43:39,117 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:43:39,117 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:43:39,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:43:39,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:43:39,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:43:39,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:43:39,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:43:39,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:43:39,120 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:43:39,120 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:43:39,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:43:39,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:43:39,120 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_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/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 -> 9204823cbe2b352839849e2ea06b227f99a40c67 [2018-12-02 06:43:39,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:43:39,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:43:39,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:43:39,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:43:39,151 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:43:39,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-02 06:43:39,198 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/data/f8a723592/f22fd377ae3544e2bc00d34938c4964e/FLAG759af487f [2018-12-02 06:43:39,598 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:43:39,598 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-02 06:43:39,605 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/data/f8a723592/f22fd377ae3544e2bc00d34938c4964e/FLAG759af487f [2018-12-02 06:43:39,613 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/data/f8a723592/f22fd377ae3544e2bc00d34938c4964e [2018-12-02 06:43:39,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:43:39,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:43:39,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:43:39,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:43:39,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:43:39,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:39,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4969d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39, skipping insertion in model container [2018-12-02 06:43:39,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:39,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:43:39,650 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:43:39,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:43:39,842 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:43:39,962 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:43:39,972 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:43:39,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39 WrapperNode [2018-12-02 06:43:39,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:43:39,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:43:39,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:43:39,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:43:39,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:39,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:39,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:43:39,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:43:39,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:43:39,999 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:43:40,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... [2018-12-02 06:43:40,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:43:40,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:43:40,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:43:40,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:43:40,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/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 [2018-12-02 06:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:43:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:43:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:43:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:43:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:43:40,775 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:43:40,775 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:43:40,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:40 BoogieIcfgContainer [2018-12-02 06:43:40,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:43:40,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:43:40,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:43:40,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:43:40,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:43:39" (1/3) ... [2018-12-02 06:43:40,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16830c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:40, skipping insertion in model container [2018-12-02 06:43:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:39" (2/3) ... [2018-12-02 06:43:40,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16830c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:40, skipping insertion in model container [2018-12-02 06:43:40,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:40" (3/3) ... [2018-12-02 06:43:40,782 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label21_true-unreach-call_false-termination.c [2018-12-02 06:43:40,790 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:43:40,797 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:43:40,811 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:43:40,836 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:43:40,836 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:43:40,836 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:43:40,836 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:43:40,836 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:43:40,836 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:43:40,837 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:43:40,837 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:43:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-02 06:43:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 06:43:40,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:40,856 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] [2018-12-02 06:43:40,858 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:40,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:40,861 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2018-12-02 06:43:40,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:40,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:40,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:43:41,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:43:41,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:43:41,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:43:41,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:43:41,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:43:41,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:43:41,035 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-02 06:43:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:43:41,621 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-02 06:43:41,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:43:41,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-12-02 06:43:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:43:41,631 INFO L225 Difference]: With dead ends: 688 [2018-12-02 06:43:41,631 INFO L226 Difference]: Without dead ends: 372 [2018-12-02 06:43:41,635 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 [2018-12-02 06:43:41,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-02 06:43:41,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-02 06:43:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-02 06:43:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 596 transitions. [2018-12-02 06:43:41,672 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 596 transitions. Word has length 40 [2018-12-02 06:43:41,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:43:41,673 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 596 transitions. [2018-12-02 06:43:41,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:43:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 596 transitions. [2018-12-02 06:43:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 06:43:41,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:41,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:43:41,675 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:41,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:41,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1744454378, now seen corresponding path program 1 times [2018-12-02 06:43:41,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:41,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:41,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:41,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:41,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:43:41,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:43:41,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:43:41,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:43:41,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:43:41,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:43:41,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:43:41,793 INFO L87 Difference]: Start difference. First operand 372 states and 596 transitions. Second operand 5 states. [2018-12-02 06:43:42,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:43:42,447 INFO L93 Difference]: Finished difference Result 940 states and 1514 transitions. [2018-12-02 06:43:42,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:43:42,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-02 06:43:42,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:43:42,450 INFO L225 Difference]: With dead ends: 940 [2018-12-02 06:43:42,450 INFO L226 Difference]: Without dead ends: 574 [2018-12-02 06:43:42,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:43:42,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-02 06:43:42,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-02 06:43:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-02 06:43:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 831 transitions. [2018-12-02 06:43:42,469 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 831 transitions. Word has length 116 [2018-12-02 06:43:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:43:42,469 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 831 transitions. [2018-12-02 06:43:42,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:43:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 831 transitions. [2018-12-02 06:43:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 06:43:42,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:42,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:43:42,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:42,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:42,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1787764330, now seen corresponding path program 1 times [2018-12-02 06:43:42,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:42,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:42,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:42,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:42,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:43:42,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:43:42,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:43:42,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:43:42,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:43:42,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:43:42,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:43:42,585 INFO L87 Difference]: Start difference. First operand 564 states and 831 transitions. Second operand 6 states. [2018-12-02 06:43:43,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:43:43,284 INFO L93 Difference]: Finished difference Result 1526 states and 2378 transitions. [2018-12-02 06:43:43,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:43:43,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-12-02 06:43:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:43:43,288 INFO L225 Difference]: With dead ends: 1526 [2018-12-02 06:43:43,288 INFO L226 Difference]: Without dead ends: 968 [2018-12-02 06:43:43,289 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 [2018-12-02 06:43:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-12-02 06:43:43,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 942. [2018-12-02 06:43:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2018-12-02 06:43:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1352 transitions. [2018-12-02 06:43:43,308 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1352 transitions. Word has length 180 [2018-12-02 06:43:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:43:43,308 INFO L480 AbstractCegarLoop]: Abstraction has 942 states and 1352 transitions. [2018-12-02 06:43:43,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:43:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1352 transitions. [2018-12-02 06:43:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 06:43:43,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:43,310 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:43:43,311 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:43,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash 122382904, now seen corresponding path program 1 times [2018-12-02 06:43:43,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:43,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:43,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:43,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:43,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:43:43,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:43:43,390 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:43:43,390 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-12-02 06:43:43,391 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 06:43:43,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:43:43,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:43:43,599 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:43:43,600 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 728 root evaluator evaluations with a maximum evaluation depth of 9. Performed 728 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 06:43:43,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:43,608 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:43:43,861 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 77.81% of their original sizes. [2018-12-02 06:43:43,861 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:43:43,897 INFO L418 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-12-02 06:43:43,897 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:43:43,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:43:43,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 06:43:43,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:43:43,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:43:43,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:43:43,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:43:43,898 INFO L87 Difference]: Start difference. First operand 942 states and 1352 transitions. Second operand 6 states. [2018-12-02 06:43:56,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:43:56,614 INFO L93 Difference]: Finished difference Result 2061 states and 2911 transitions. [2018-12-02 06:43:56,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:43:56,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-12-02 06:43:56,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:43:56,616 INFO L225 Difference]: With dead ends: 2061 [2018-12-02 06:43:56,616 INFO L226 Difference]: Without dead ends: 1125 [2018-12-02 06:43:56,617 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:43:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-12-02 06:43:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1124. [2018-12-02 06:43:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-02 06:43:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1541 transitions. [2018-12-02 06:43:56,631 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1541 transitions. Word has length 199 [2018-12-02 06:43:56,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:43:56,632 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1541 transitions. [2018-12-02 06:43:56,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:43:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1541 transitions. [2018-12-02 06:43:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 06:43:56,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:56,634 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:43:56,634 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:56,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:56,635 INFO L82 PathProgramCache]: Analyzing trace with hash 814508401, now seen corresponding path program 1 times [2018-12-02 06:43:56,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:56,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:56,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:56,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:56,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 184 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:43:56,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:43:56,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:43:56,926 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-12-02 06:43:56,927 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 06:43:56,929 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:43:56,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:43:57,001 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:43:57,002 INFO L272 AbstractInterpreter]: Visited 94 different actions 180 times. Merged at 3 different actions 3 times. Never widened. Performed 1498 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:43:57,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:57,007 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:43:57,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:43:57,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/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 [2018-12-02 06:43:57,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:57,014 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:43:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:57,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:43:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-02 06:43:57,180 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:43:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-02 06:43:57,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:43:57,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-12-02 06:43:57,309 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:43:57,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 06:43:57,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 06:43:57,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:43:57,310 INFO L87 Difference]: Start difference. First operand 1124 states and 1541 transitions. Second operand 15 states. [2018-12-02 06:43:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:43:59,688 INFO L93 Difference]: Finished difference Result 3158 states and 4457 transitions. [2018-12-02 06:43:59,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-02 06:43:59,688 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 283 [2018-12-02 06:43:59,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:43:59,693 INFO L225 Difference]: With dead ends: 3158 [2018-12-02 06:43:59,693 INFO L226 Difference]: Without dead ends: 2130 [2018-12-02 06:43:59,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 586 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=365, Invalid=1441, Unknown=0, NotChecked=0, Total=1806 [2018-12-02 06:43:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2018-12-02 06:43:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1886. [2018-12-02 06:43:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-12-02 06:43:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2244 transitions. [2018-12-02 06:43:59,725 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2244 transitions. Word has length 283 [2018-12-02 06:43:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:43:59,725 INFO L480 AbstractCegarLoop]: Abstraction has 1886 states and 2244 transitions. [2018-12-02 06:43:59,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 06:43:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2244 transitions. [2018-12-02 06:43:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-12-02 06:43:59,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:43:59,728 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:43:59,729 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:43:59,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:43:59,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1127436145, now seen corresponding path program 1 times [2018-12-02 06:43:59,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:43:59,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:59,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:43:59,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:43:59,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:43:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:43:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 06:43:59,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:43:59,849 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:43:59,849 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-12-02 06:43:59,849 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 06:43:59,851 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:43:59,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:44:03,269 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:44:03,270 INFO L272 AbstractInterpreter]: Visited 119 different actions 356 times. Merged at 7 different actions 19 times. Never widened. Performed 3398 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:44:03,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:03,271 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:44:03,849 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 80.42% of their original sizes. [2018-12-02 06:44:03,849 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:44:03,880 INFO L418 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-12-02 06:44:03,880 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:44:03,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:44:03,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-02 06:44:03,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:03,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:44:03,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:44:03,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:44:03,881 INFO L87 Difference]: Start difference. First operand 1886 states and 2244 transitions. Second operand 9 states. [2018-12-02 06:44:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:13,197 INFO L93 Difference]: Finished difference Result 4182 states and 5055 transitions. [2018-12-02 06:44:13,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:44:13,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 335 [2018-12-02 06:44:13,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:13,201 INFO L225 Difference]: With dead ends: 4182 [2018-12-02 06:44:13,201 INFO L226 Difference]: Without dead ends: 2484 [2018-12-02 06:44:13,203 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:44:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-12-02 06:44:13,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2080. [2018-12-02 06:44:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2018-12-02 06:44:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2485 transitions. [2018-12-02 06:44:13,232 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2485 transitions. Word has length 335 [2018-12-02 06:44:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:13,233 INFO L480 AbstractCegarLoop]: Abstraction has 2080 states and 2485 transitions. [2018-12-02 06:44:13,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:44:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2485 transitions. [2018-12-02 06:44:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-02 06:44:13,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:13,235 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:13,235 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:13,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:13,235 INFO L82 PathProgramCache]: Analyzing trace with hash -482474598, now seen corresponding path program 1 times [2018-12-02 06:44:13,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:13,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:13,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:13,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:13,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-12-02 06:44:13,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:44:13,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:44:13,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:13,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:44:13,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:44:13,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:44:13,347 INFO L87 Difference]: Start difference. First operand 2080 states and 2485 transitions. Second operand 4 states. [2018-12-02 06:44:13,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:13,843 INFO L93 Difference]: Finished difference Result 4522 states and 5465 transitions. [2018-12-02 06:44:13,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:44:13,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 438 [2018-12-02 06:44:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:13,848 INFO L225 Difference]: With dead ends: 4522 [2018-12-02 06:44:13,848 INFO L226 Difference]: Without dead ends: 2632 [2018-12-02 06:44:13,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:44:13,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2018-12-02 06:44:13,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2078. [2018-12-02 06:44:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2078 states. [2018-12-02 06:44:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2408 transitions. [2018-12-02 06:44:13,876 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2408 transitions. Word has length 438 [2018-12-02 06:44:13,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:13,877 INFO L480 AbstractCegarLoop]: Abstraction has 2078 states and 2408 transitions. [2018-12-02 06:44:13,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:44:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2408 transitions. [2018-12-02 06:44:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2018-12-02 06:44:13,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:13,880 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:13,880 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:13,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:13,880 INFO L82 PathProgramCache]: Analyzing trace with hash -583487091, now seen corresponding path program 1 times [2018-12-02 06:44:13,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:13,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:13,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:13,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:13,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 361 proven. 289 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 06:44:14,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:44:14,523 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:44:14,523 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 533 with the following transitions: [2018-12-02 06:44:14,524 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 06:44:14,528 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:44:14,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:44:18,455 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:44:18,455 INFO L272 AbstractInterpreter]: Visited 190 different actions 758 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8299 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 06:44:18,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:18,457 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:44:18,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:44:18,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/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 [2018-12-02 06:44:18,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:18,463 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:44:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:18,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:44:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-02 06:44:18,628 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:44:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-02 06:44:18,731 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:44:18,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-12-02 06:44:18,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:18,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:44:18,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:44:18,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 06:44:18,733 INFO L87 Difference]: Start difference. First operand 2078 states and 2408 transitions. Second operand 3 states. [2018-12-02 06:44:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:19,083 INFO L93 Difference]: Finished difference Result 5068 states and 5987 transitions. [2018-12-02 06:44:19,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:44:19,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2018-12-02 06:44:19,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:19,084 INFO L225 Difference]: With dead ends: 5068 [2018-12-02 06:44:19,084 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:44:19,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1076 GetRequests, 1062 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 06:44:19,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:44:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:44:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:44:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:44:19,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 532 [2018-12-02 06:44:19,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:19,088 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:44:19,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:44:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:44:19,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:44:19,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:44:19,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:44:19,340 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:44:19,456 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,456 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-02 06:44:19,457 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,458 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 06:44:19,459 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-02 06:44:19,460 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-02 06:44:19,461 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)))) (and (or .cse0 (<= |old(~a12~0)| 11)) (or .cse0 (and (= 8 |old(~a21~0)|) (= 6 |old(~a15~0)|))))) [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-02 06:44:19,462 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,463 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-02 06:44:19,464 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 06:44:19,465 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-02 06:44:19,466 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,467 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-02 06:44:19,468 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 6 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-02 06:44:19,468 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 6 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-02 06:44:19,468 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-02 06:44:19,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:44:19 BoogieIcfgContainer [2018-12-02 06:44:19,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:44:19,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:44:19,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:44:19,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:44:19,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:40" (3/4) ... [2018-12-02 06:44:19,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:44:19,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:44:19,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:44:19,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:44:19,490 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 06:44:19,491 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:44:19,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(6 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-12-02 06:44:19,585 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff1753f6-4c99-4cc5-a42a-59ccde0c9f1d/bin-2019/utaipan/witness.graphml [2018-12-02 06:44:19,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:44:19,586 INFO L168 Benchmark]: Toolchain (without parser) took 39970.91 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 948.1 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,586 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.05 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: Boogie Preprocessor took 54.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: RCFGBuilder took 721.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.4 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: TraceAbstraction took 38699.96 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 984.4 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,587 INFO L168 Benchmark]: Witness Printer took 109.03 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 149.1 kB). Peak memory consumption was 149.1 kB. Max. memory is 11.5 GB. [2018-12-02 06:44:19,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.05 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 721.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.4 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38699.96 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 984.4 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 109.03 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 149.1 kB). Peak memory consumption was 149.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(6 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 38.6s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 27.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 5312 SDslu, 351 SDs, 0 SdLazy, 7828 SolverSat, 1853 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2274 GetRequests, 2179 SyntacticMatches, 6 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9969291607350573 AbsIntWeakeningRatio, 0.10902255639097744 AbsIntAvgWeakeningVarsNumRemoved, 15.757518796992482 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1239 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 111 NumberOfFragments, 163 HoareAnnotationTreeSize, 71 FomulaSimplifications, 4523 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1858 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2938 NumberOfCodeBlocks, 2938 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3741 ConstructedInterpolants, 0 QuantifiedInterpolants, 6465746 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1295 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 3780/4223 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...