./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_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_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/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 967c72bd82820b824aa390b27f8a26458e2fde4d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:29:50,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:29:50,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:29:50,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:29:50,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:29:50,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:29:50,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:29:50,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:29:50,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:29:50,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:29:50,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:29:50,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:29:50,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:29:50,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:29:50,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:29:50,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:29:50,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:29:50,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:29:50,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:29:50,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:29:50,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:29:50,916 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:29:50,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:29:50,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:29:50,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:29:50,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:29:50,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:29:50,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:29:50,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:29:50,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:29:50,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:29:50,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:29:50,922 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:29:50,922 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:29:50,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:29:50,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:29:50,923 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:29:50,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:29:50,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:29:50,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:29:50,931 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:29:50,931 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:29:50,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:29:50,931 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:29:50,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:29:50,932 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:29:50,932 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:29:50,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:29:50,932 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:29:50,932 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:29:50,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:29:50,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:29:50,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:29:50,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:29:50,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:29:50,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:29:50,935 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_50820859-bca9-4c82-add1-b612e6b42929/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 -> 967c72bd82820b824aa390b27f8a26458e2fde4d [2018-12-09 19:29:50,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:29:50,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:29:50,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:29:50,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:29:50,962 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:29:50,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-09 19:29:50,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/data/42dd0ec5f/0099a1b5442d446884e1d3934efc8f98/FLAG35982304c [2018-12-09 19:29:51,373 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:29:51,374 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-09 19:29:51,380 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/data/42dd0ec5f/0099a1b5442d446884e1d3934efc8f98/FLAG35982304c [2018-12-09 19:29:51,734 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/data/42dd0ec5f/0099a1b5442d446884e1d3934efc8f98 [2018-12-09 19:29:51,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:29:51,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:29:51,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:51,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:29:51,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:29:51,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:51" (1/1) ... [2018-12-09 19:29:51,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:51, skipping insertion in model container [2018-12-09 19:29:51,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:51" (1/1) ... [2018-12-09 19:29:51,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:29:51,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:29:51,947 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:51,950 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:29:52,051 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:52,062 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:29:52,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52 WrapperNode [2018-12-09 19:29:52,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:52,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:52,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:29:52,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:29:52,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:52,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:29:52,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:29:52,086 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:29:52,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... [2018-12-09 19:29:52,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:29:52,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:29:52,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:29:52,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:29:52,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:29:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:29:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:29:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:29:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:29:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:29:52,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:29:52,770 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:29:52,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:52 BoogieIcfgContainer [2018-12-09 19:29:52,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:29:52,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:29:52,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:29:52,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:29:52,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:29:51" (1/3) ... [2018-12-09 19:29:52,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb56102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:52, skipping insertion in model container [2018-12-09 19:29:52,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:52" (2/3) ... [2018-12-09 19:29:52,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb56102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:52, skipping insertion in model container [2018-12-09 19:29:52,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:52" (3/3) ... [2018-12-09 19:29:52,776 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label34_true-unreach-call_false-termination.c [2018-12-09 19:29:52,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:29:52,791 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:29:52,803 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:29:52,823 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:29:52,824 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:29:52,824 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:29:52,824 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:29:52,824 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:29:52,824 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:29:52,824 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:29:52,824 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:29:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 19:29:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:29:52,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:52,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:29:52,845 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:52,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:52,849 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2018-12-09 19:29:52,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:52,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:52,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:52,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:52,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:29:53,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:53,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:29:53,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:53,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:29:53,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:29:53,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:29:53,111 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 19:29:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:53,562 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 19:29:53,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:29:53,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-09 19:29:53,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:53,572 INFO L225 Difference]: With dead ends: 615 [2018-12-09 19:29:53,572 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 19:29:53,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:29:53,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 19:29:53,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 19:29:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 19:29:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 19:29:53,616 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 104 [2018-12-09 19:29:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:53,617 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 19:29:53,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:29:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 19:29:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 19:29:53,621 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:53,622 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:29:53,622 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:53,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:53,622 INFO L82 PathProgramCache]: Analyzing trace with hash -297868677, now seen corresponding path program 1 times [2018-12-09 19:29:53,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:53,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:53,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:53,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:53,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:29:53,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:53,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:29:53,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:53,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:29:53,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:29:53,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:29:53,721 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 19:29:54,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:54,200 INFO L93 Difference]: Finished difference Result 964 states and 1501 transitions. [2018-12-09 19:29:54,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:29:54,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-12-09 19:29:54,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:54,205 INFO L225 Difference]: With dead ends: 964 [2018-12-09 19:29:54,205 INFO L226 Difference]: Without dead ends: 653 [2018-12-09 19:29:54,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:29:54,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2018-12-09 19:29:54,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 625. [2018-12-09 19:29:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 19:29:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-09 19:29:54,233 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 119 [2018-12-09 19:29:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:54,233 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-09 19:29:54,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:29:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-09 19:29:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 19:29:54,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:54,236 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-09 19:29:54,236 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:54,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:54,236 INFO L82 PathProgramCache]: Analyzing trace with hash -734504192, now seen corresponding path program 1 times [2018-12-09 19:29:54,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:54,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:54,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:54,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:54,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:29:54,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:29:54,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:29:54,319 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-12-09 19:29:54,320 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:29:54,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:29:54,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:29:54,582 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:29:54,583 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Performed 1196 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 19:29:54,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:54,588 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:29:54,760 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 80.69% of their original sizes. [2018-12-09 19:29:54,760 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:29:54,790 INFO L418 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-12-09 19:29:54,790 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:29:54,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:29:54,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 19:29:54,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:54,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:29:54,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:29:54,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:29:54,792 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-09 19:29:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:56,606 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-09 19:29:56,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:29:56,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-12-09 19:29:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:56,609 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 19:29:56,609 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 19:29:56,610 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:29:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 19:29:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 19:29:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 19:29:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-09 19:29:56,633 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 127 [2018-12-09 19:29:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:56,633 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-09 19:29:56,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:29:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-09 19:29:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 19:29:56,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:56,651 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 19:29:56,652 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:56,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:56,652 INFO L82 PathProgramCache]: Analyzing trace with hash 786414575, now seen corresponding path program 1 times [2018-12-09 19:29:56,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:56,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:56,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:56,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:56,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:29:56,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:29:56,740 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:29:56,740 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 19:29:56,741 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:29:56,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:29:56,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:29:56,959 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:29:56,959 INFO L272 AbstractInterpreter]: Visited 109 different actions 322 times. Merged at 6 different actions 15 times. Never widened. Performed 3735 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3735 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:29:56,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:56,968 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:29:57,093 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 84.3% of their original sizes. [2018-12-09 19:29:57,093 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:29:57,133 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 19:29:57,133 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:29:57,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:29:57,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 19:29:57,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:57,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:29:57,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:29:57,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:29:57,134 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-09 19:29:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:59,574 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-09 19:29:59,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:29:59,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2018-12-09 19:29:59,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:59,576 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 19:29:59,576 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 19:29:59,577 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:29:59,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 19:29:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 19:29:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 19:29:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-09 19:29:59,594 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 136 [2018-12-09 19:29:59,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:59,594 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-09 19:29:59,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:29:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-09 19:29:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 19:29:59,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:59,596 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-12-09 19:29:59,596 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:59,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:59,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1401191711, now seen corresponding path program 1 times [2018-12-09 19:29:59,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:59,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:59,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:59,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:59,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:29:59,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:29:59,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:29:59,639 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-12-09 19:29:59,640 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:29:59,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:29:59,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:29:59,722 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:29:59,723 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 4 different actions 4 times. Never widened. Performed 2369 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2369 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 19:29:59,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:59,724 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:29:59,813 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 80.71% of their original sizes. [2018-12-09 19:29:59,813 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:29:59,854 INFO L418 sIntCurrentIteration]: We unified 134 AI predicates to 134 [2018-12-09 19:29:59,854 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:29:59,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:29:59,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:29:59,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:59,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:29:59,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:29:59,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:29:59,855 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-09 19:30:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:02,036 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-09 19:30:02,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 19:30:02,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2018-12-09 19:30:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:02,041 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 19:30:02,041 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 19:30:02,043 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:30:02,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 19:30:02,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 19:30:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 19:30:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-09 19:30:02,073 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 135 [2018-12-09 19:30:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:02,073 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-09 19:30:02,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:30:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-09 19:30:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 19:30:02,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:02,077 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 19:30:02,077 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:02,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:02,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1661178263, now seen corresponding path program 1 times [2018-12-09 19:30:02,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:02,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:02,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:02,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:02,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:30:02,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:02,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:30:02,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:02,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:30:02,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:30:02,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:02,138 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-09 19:30:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:02,410 INFO L93 Difference]: Finished difference Result 3310 states and 4521 transitions. [2018-12-09 19:30:02,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:30:02,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-09 19:30:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:02,415 INFO L225 Difference]: With dead ends: 3310 [2018-12-09 19:30:02,415 INFO L226 Difference]: Without dead ends: 1504 [2018-12-09 19:30:02,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-12-09 19:30:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1503. [2018-12-09 19:30:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-12-09 19:30:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1864 transitions. [2018-12-09 19:30:02,445 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1864 transitions. Word has length 139 [2018-12-09 19:30:02,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:02,446 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1864 transitions. [2018-12-09 19:30:02,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:30:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1864 transitions. [2018-12-09 19:30:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 19:30:02,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:02,449 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:02,450 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:02,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:02,450 INFO L82 PathProgramCache]: Analyzing trace with hash -2013652882, now seen corresponding path program 1 times [2018-12-09 19:30:02,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:02,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:02,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:02,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:02,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:30:02,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:02,517 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:30:02,517 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-12-09 19:30:02,517 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:30:02,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:30:02,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:30:02,656 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:30:02,656 INFO L272 AbstractInterpreter]: Visited 109 different actions 330 times. Merged at 7 different actions 23 times. Widened at 1 different actions 1 times. Performed 3969 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3969 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:30:02,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:02,658 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:30:02,762 INFO L227 lantSequenceWeakener]: Weakened 164 states. On average, predicates are now at 84.43% of their original sizes. [2018-12-09 19:30:02,763 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:30:02,794 INFO L418 sIntCurrentIteration]: We unified 166 AI predicates to 166 [2018-12-09 19:30:02,794 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:30:02,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:30:02,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 19:30:02,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:02,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:30:02,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:30:02,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:30:02,795 INFO L87 Difference]: Start difference. First operand 1503 states and 1864 transitions. Second operand 9 states. [2018-12-09 19:30:04,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:04,602 INFO L93 Difference]: Finished difference Result 3341 states and 4143 transitions. [2018-12-09 19:30:04,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:30:04,602 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2018-12-09 19:30:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:04,606 INFO L225 Difference]: With dead ends: 3341 [2018-12-09 19:30:04,606 INFO L226 Difference]: Without dead ends: 1844 [2018-12-09 19:30:04,608 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:30:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2018-12-09 19:30:04,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1669. [2018-12-09 19:30:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2018-12-09 19:30:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2021 transitions. [2018-12-09 19:30:04,630 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2021 transitions. Word has length 167 [2018-12-09 19:30:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:04,630 INFO L480 AbstractCegarLoop]: Abstraction has 1669 states and 2021 transitions. [2018-12-09 19:30:04,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:30:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2021 transitions. [2018-12-09 19:30:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 19:30:04,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:04,634 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 19:30:04,634 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:04,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1496243141, now seen corresponding path program 1 times [2018-12-09 19:30:04,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:04,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:04,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:04,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:04,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 35 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:30:04,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:04,696 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:30:04,696 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-12-09 19:30:04,696 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:30:04,698 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:30:04,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:30:04,887 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:30:04,887 INFO L272 AbstractInterpreter]: Visited 112 different actions 436 times. Merged at 7 different actions 25 times. Never widened. Performed 5394 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5394 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:30:04,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:04,889 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:30:04,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:04,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:30:04,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:04,895 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:30:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:04,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:30:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:30:05,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:30:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:30:05,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:30:05,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 19:30:05,159 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:30:05,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:30:05,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:30:05,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:30:05,160 INFO L87 Difference]: Start difference. First operand 1669 states and 2021 transitions. Second operand 9 states. [2018-12-09 19:30:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:06,614 INFO L93 Difference]: Finished difference Result 5215 states and 6473 transitions. [2018-12-09 19:30:06,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 19:30:06,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2018-12-09 19:30:06,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:06,622 INFO L225 Difference]: With dead ends: 5215 [2018-12-09 19:30:06,622 INFO L226 Difference]: Without dead ends: 2497 [2018-12-09 19:30:06,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 19:30:06,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2018-12-09 19:30:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2457. [2018-12-09 19:30:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2457 states. [2018-12-09 19:30:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 2835 transitions. [2018-12-09 19:30:06,664 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 2835 transitions. Word has length 210 [2018-12-09 19:30:06,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:06,664 INFO L480 AbstractCegarLoop]: Abstraction has 2457 states and 2835 transitions. [2018-12-09 19:30:06,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:30:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2835 transitions. [2018-12-09 19:30:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 19:30:06,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:06,668 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 19:30:06,668 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:06,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash -690664195, now seen corresponding path program 1 times [2018-12-09 19:30:06,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:06,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:06,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:06,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:06,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:30:06,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:06,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:30:06,742 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-12-09 19:30:06,742 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:30:06,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:30:06,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:30:06,861 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:30:06,861 INFO L272 AbstractInterpreter]: Visited 109 different actions 319 times. Merged at 6 different actions 12 times. Never widened. Performed 3746 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:30:06,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:06,862 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:30:06,986 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 84.32% of their original sizes. [2018-12-09 19:30:06,986 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:30:07,026 INFO L418 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-12-09 19:30:07,027 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:30:07,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:30:07,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2018-12-09 19:30:07,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:07,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:30:07,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:30:07,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:30:07,027 INFO L87 Difference]: Start difference. First operand 2457 states and 2835 transitions. Second operand 9 states. [2018-12-09 19:30:08,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:08,583 INFO L93 Difference]: Finished difference Result 4953 states and 5769 transitions. [2018-12-09 19:30:08,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 19:30:08,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2018-12-09 19:30:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:08,589 INFO L225 Difference]: With dead ends: 4953 [2018-12-09 19:30:08,589 INFO L226 Difference]: Without dead ends: 3090 [2018-12-09 19:30:08,592 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 19:30:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2018-12-09 19:30:08,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3061. [2018-12-09 19:30:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3061 states. [2018-12-09 19:30:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 3560 transitions. [2018-12-09 19:30:08,638 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 3560 transitions. Word has length 211 [2018-12-09 19:30:08,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:08,638 INFO L480 AbstractCegarLoop]: Abstraction has 3061 states and 3560 transitions. [2018-12-09 19:30:08,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:30:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3560 transitions. [2018-12-09 19:30:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 19:30:08,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:08,642 INFO L402 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:08,642 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:08,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash -118595698, now seen corresponding path program 1 times [2018-12-09 19:30:08,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:08,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:08,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:08,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:08,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 154 proven. 94 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 19:30:08,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:08,744 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:30:08,744 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-12-09 19:30:08,744 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:30:08,745 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:30:08,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:30:08,924 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:30:08,924 INFO L272 AbstractInterpreter]: Visited 112 different actions 440 times. Merged at 7 different actions 26 times. Never widened. Performed 5301 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5301 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:30:08,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:08,928 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:30:09,155 INFO L227 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 86.38% of their original sizes. [2018-12-09 19:30:09,155 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:30:09,202 INFO L418 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-12-09 19:30:09,202 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:30:09,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:30:09,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2018-12-09 19:30:09,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:09,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 19:30:09,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 19:30:09,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:30:09,203 INFO L87 Difference]: Start difference. First operand 3061 states and 3560 transitions. Second operand 12 states. [2018-12-09 19:30:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:11,928 INFO L93 Difference]: Finished difference Result 4254 states and 4942 transitions. [2018-12-09 19:30:11,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 19:30:11,929 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 265 [2018-12-09 19:30:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:11,929 INFO L225 Difference]: With dead ends: 4254 [2018-12-09 19:30:11,929 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:30:11,935 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 278 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2018-12-09 19:30:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:30:11,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:30:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:30:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:30:11,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2018-12-09 19:30:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:11,936 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:30:11,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 19:30:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:30:11,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:30:11,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:30:12,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:30:12,498 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2018-12-09 19:30:12,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 19:30:12,640 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,641 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 19:30:12,642 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 19:30:12,643 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,644 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 19:30:12,645 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,646 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1)) (.cse12 (not (= 0 |old(~a25~0)|))) (.cse11 (= ~a28~0 7)) (.cse18 (not (= 7 |old(~a28~0)|))) (.cse13 (= 0 |old(~a17~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 0 |old(~a28~0)|)) (.cse10 (not (= 0 |old(~a11~0)|))) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse15 (= ~a11~0 |old(~a11~0)|)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (not (= 1 |old(~a11~0)|))) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse19 (= |old(~a19~0)| ~a19~0)) (.cse3 (= 1 ~a11~0)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse17 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or (or .cse0 (not (= 10 |old(~a28~0)|)) .cse10) .cse8 .cse1 .cse7 (or (= ~a28~0 10) .cse11) .cse12) (or .cse0 .cse13 .cse1 .cse6 (and .cse14 .cse15 .cse5 .cse16) .cse8 .cse17) (or .cse0 .cse18 .cse1 .cse10 .cse11 .cse7 .cse8 .cse12) (or (and .cse11 .cse16) .cse0 .cse18 (not (= 1 |old(~a25~0)|)) .cse1 .cse7 .cse8 .cse9) (or .cse0 .cse13 .cse1 .cse6 (and .cse2 (not (= ~a17~0 0))) .cse8 .cse17) (or (= 7 |old(~a17~0)|) (and .cse19 (not (= ~a17~0 7)) .cse3) (= |old(~a11~0)| |old(~a19~0)|) .cse9) (or .cse0 .cse6 .cse10 .cse7 .cse8 (and .cse19 .cse15 .cse2 .cse4 .cse16)) (or .cse9 (and .cse14 .cse19 .cse3 .cse16) .cse17))) [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 19:30:12,647 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,648 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 19:30:12,649 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 19:30:12,650 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 19:30:12,651 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:30:12,652 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 19:30:12,652 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:30:12,652 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:30:12,652 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 19:30:12,652 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse0 (= 1 ~a11~0)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and .cse1 (not (= main_~input~0 0)) .cse2 .cse3) (and .cse1 .cse3 (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse2 .cse0 .cse3) (not (= 0 |old(~a25~0)|)))) [2018-12-09 19:30:12,652 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:30:12,652 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:30:12,652 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8)) (.cse2 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) .cse0 .cse1 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-12-09 19:30:12,653 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 19:30:12,653 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 19:30:12,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:30:12 BoogieIcfgContainer [2018-12-09 19:30:12,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:30:12,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:30:12,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:30:12,662 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:30:12,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:52" (3/4) ... [2018-12-09 19:30:12,666 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:30:12,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:30:12,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:30:12,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:30:12,679 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:30:12,679 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:30:12,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) [2018-12-09 19:30:12,753 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50820859-bca9-4c82-add1-b612e6b42929/bin-2019/utaipan/witness.graphml [2018-12-09 19:30:12,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:30:12,754 INFO L168 Benchmark]: Toolchain (without parser) took 21014.33 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 954.9 MB in the beginning and 1.6 GB in the end (delta: -669.7 MB). Peak memory consumption was 584.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:12,754 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:12,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -126.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:12,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:12,755 INFO L168 Benchmark]: Boogie Preprocessor took 49.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:12,755 INFO L168 Benchmark]: RCFGBuilder took 634.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:12,755 INFO L168 Benchmark]: TraceAbstraction took 19890.74 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 973.0 MB in the beginning and 1.6 GB in the end (delta: -651.6 MB). Peak memory consumption was 501.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:12,755 INFO L168 Benchmark]: Witness Printer took 91.00 ms. Allocated memory is still 2.3 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:12,756 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -126.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 634.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19890.74 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 973.0 MB in the beginning and 1.6 GB in the end (delta: -651.6 MB). Peak memory consumption was 501.3 MB. Max. memory is 11.5 GB. * Witness Printer took 91.00 ms. Allocated memory is still 2.3 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 19.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 15.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 937 SDtfs, 6911 SDslu, 961 SDs, 0 SdLazy, 9599 SolverSat, 1821 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1575 GetRequests, 1437 SyntacticMatches, 4 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3061occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 7 AbstIntIterations, 6 AbstIntStrong, 0.9964730159511426 AbsIntWeakeningRatio, 0.23091787439613526 AbsIntAvgWeakeningVarsNumRemoved, 25.08792270531401 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 296 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 107 PreInvPairs, 156 NumberOfFragments, 512 HoareAnnotationTreeSize, 107 FomulaSimplifications, 9510 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2316 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2021 ConstructedInterpolants, 0 QuantifiedInterpolants, 775783 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 969/1190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...