./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_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_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/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 c896360830ff8b0574c029e3cde358b7dc7cde03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:42:39,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:42:39,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:42:39,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:42:39,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:42:39,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:42:39,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:42:39,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:42:39,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:42:39,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:42:39,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:42:39,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:42:39,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:42:39,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:42:39,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:42:39,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:42:39,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:42:39,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:42:39,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:42:39,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:42:39,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:42:39,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:42:39,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:42:39,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:42:39,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:42:39,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:42:39,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:42:39,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:42:39,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:42:39,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:42:39,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:42:39,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:42:39,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:42:39,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:42:39,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:42:39,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:42:39,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:42:39,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:42:39,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:42:39,884 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:42:39,885 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:42:39,885 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:42:39,886 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:42:39,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:42:39,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:42:39,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:42:39,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:42:39,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:42:39,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:42:39,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:42:39,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:42:39,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:42:39,889 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:42:39,889 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_82acb8d2-f87b-45c1-b14c-147765e6123a/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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-12-02 08:42:39,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:42:39,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:42:39,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:42:39,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:42:39,915 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:42:39,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-12-02 08:42:39,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/data/84858eea4/c6db1588913e45c9866fd47ac66cc6a2/FLAG0d8e84cd4 [2018-12-02 08:42:40,411 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:42:40,411 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-12-02 08:42:40,418 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/data/84858eea4/c6db1588913e45c9866fd47ac66cc6a2/FLAG0d8e84cd4 [2018-12-02 08:42:40,427 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/data/84858eea4/c6db1588913e45c9866fd47ac66cc6a2 [2018-12-02 08:42:40,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:42:40,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:42:40,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:40,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:42:40,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:42:40,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40, skipping insertion in model container [2018-12-02 08:42:40,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:42:40,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:42:40,631 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:40,634 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:42:40,730 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:40,741 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:42:40,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40 WrapperNode [2018-12-02 08:42:40,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:40,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:40,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:42:40,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:42:40,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:40,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:42:40,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:42:40,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:42:40,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... [2018-12-02 08:42:40,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:42:40,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:42:40,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:42:40,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:42:40,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:42:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:42:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:42:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 08:42:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 08:42:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:42:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:42:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:42:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:42:41,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:42:41,416 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:42:41,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:41 BoogieIcfgContainer [2018-12-02 08:42:41,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:42:41,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:42:41,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:42:41,420 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:42:41,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:42:40" (1/3) ... [2018-12-02 08:42:41,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:42:41, skipping insertion in model container [2018-12-02 08:42:41,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:40" (2/3) ... [2018-12-02 08:42:41,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:42:41, skipping insertion in model container [2018-12-02 08:42:41,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:41" (3/3) ... [2018-12-02 08:42:41,422 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-12-02 08:42:41,428 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:42:41,434 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:42:41,444 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:42:41,467 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:42:41,467 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:42:41,467 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:42:41,467 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:42:41,467 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:42:41,467 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:42:41,467 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:42:41,467 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:42:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 08:42:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 08:42:41,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:41,494 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:41,495 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:41,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:41,499 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2018-12-02 08:42:41,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:41,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:41,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:41,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:41,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:41,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:41,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:42:41,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:41,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:42:41,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:42:41,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:42:41,813 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-02 08:42:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:42,230 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-02 08:42:42,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:42:42,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-12-02 08:42:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:42,240 INFO L225 Difference]: With dead ends: 624 [2018-12-02 08:42:42,240 INFO L226 Difference]: Without dead ends: 326 [2018-12-02 08:42:42,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:42:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-02 08:42:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-02 08:42:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-02 08:42:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-02 08:42:42,287 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 127 [2018-12-02 08:42:42,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:42,287 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-02 08:42:42,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:42:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-02 08:42:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 08:42:42,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:42,291 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:42,291 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:42,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:42,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2018-12-02 08:42:42,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:42,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:42,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:42,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:42,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:42,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:42,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 08:42:42,490 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:42,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 08:42:42,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 08:42:42,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:42:42,492 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 5 states. [2018-12-02 08:42:42,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:42,851 INFO L93 Difference]: Finished difference Result 723 states and 1093 transitions. [2018-12-02 08:42:42,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:42:42,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-12-02 08:42:42,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:42,854 INFO L225 Difference]: With dead ends: 723 [2018-12-02 08:42:42,854 INFO L226 Difference]: Without dead ends: 321 [2018-12-02 08:42:42,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:42:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-02 08:42:42,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-12-02 08:42:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-02 08:42:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 463 transitions. [2018-12-02 08:42:42,869 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 463 transitions. Word has length 135 [2018-12-02 08:42:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:42,869 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 463 transitions. [2018-12-02 08:42:42,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 08:42:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 463 transitions. [2018-12-02 08:42:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 08:42:42,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:42,872 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:42,872 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:42,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:42,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1390328654, now seen corresponding path program 1 times [2018-12-02 08:42:42,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:42,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:42,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:42,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:42,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:42,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:42,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:42:42,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:42,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:42:42,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:42:42,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:42:42,938 INFO L87 Difference]: Start difference. First operand 321 states and 463 transitions. Second operand 6 states. [2018-12-02 08:42:43,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:43,341 INFO L93 Difference]: Finished difference Result 979 states and 1481 transitions. [2018-12-02 08:42:43,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:42:43,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-12-02 08:42:43,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:43,344 INFO L225 Difference]: With dead ends: 979 [2018-12-02 08:42:43,344 INFO L226 Difference]: Without dead ends: 664 [2018-12-02 08:42:43,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:42:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-12-02 08:42:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 632. [2018-12-02 08:42:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-12-02 08:42:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 895 transitions. [2018-12-02 08:42:43,364 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 895 transitions. Word has length 137 [2018-12-02 08:42:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:43,364 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 895 transitions. [2018-12-02 08:42:43,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:42:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 895 transitions. [2018-12-02 08:42:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 08:42:43,366 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:43,366 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:43,366 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:43,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash 13692256, now seen corresponding path program 1 times [2018-12-02 08:42:43,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:43,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:43,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:43,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:43,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:43,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:43,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:42:43,510 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:43,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:42:43,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:42:43,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:42:43,511 INFO L87 Difference]: Start difference. First operand 632 states and 895 transitions. Second operand 7 states. [2018-12-02 08:42:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:44,354 INFO L93 Difference]: Finished difference Result 2079 states and 3063 transitions. [2018-12-02 08:42:44,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:42:44,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-12-02 08:42:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:44,358 INFO L225 Difference]: With dead ends: 2079 [2018-12-02 08:42:44,358 INFO L226 Difference]: Without dead ends: 1453 [2018-12-02 08:42:44,360 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:42:44,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-12-02 08:42:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1365. [2018-12-02 08:42:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2018-12-02 08:42:44,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1940 transitions. [2018-12-02 08:42:44,384 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1940 transitions. Word has length 140 [2018-12-02 08:42:44,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:44,384 INFO L480 AbstractCegarLoop]: Abstraction has 1365 states and 1940 transitions. [2018-12-02 08:42:44,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:42:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1940 transitions. [2018-12-02 08:42:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 08:42:44,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:44,387 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:44,387 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:44,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:44,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1527973936, now seen corresponding path program 1 times [2018-12-02 08:42:44,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:44,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:44,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:44,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:44,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:44,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:44,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:42:44,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:44,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:42:44,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:42:44,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:42:44,427 INFO L87 Difference]: Start difference. First operand 1365 states and 1940 transitions. Second operand 6 states. [2018-12-02 08:42:44,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:44,866 INFO L93 Difference]: Finished difference Result 3355 states and 4901 transitions. [2018-12-02 08:42:44,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:42:44,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-12-02 08:42:44,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:44,874 INFO L225 Difference]: With dead ends: 3355 [2018-12-02 08:42:44,875 INFO L226 Difference]: Without dead ends: 1996 [2018-12-02 08:42:44,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:42:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-12-02 08:42:44,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1968. [2018-12-02 08:42:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-12-02 08:42:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2752 transitions. [2018-12-02 08:42:44,924 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2752 transitions. Word has length 148 [2018-12-02 08:42:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:44,924 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2752 transitions. [2018-12-02 08:42:44,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:42:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2752 transitions. [2018-12-02 08:42:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 08:42:44,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:44,927 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:44,927 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:44,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:44,928 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2018-12-02 08:42:44,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:44,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:44,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:44,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:44,928 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:45,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:42:45,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 08:42:45,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:45,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 08:42:45,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 08:42:45,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:42:45,041 INFO L87 Difference]: Start difference. First operand 1968 states and 2752 transitions. Second operand 5 states. [2018-12-02 08:42:45,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:45,401 INFO L93 Difference]: Finished difference Result 4016 states and 5676 transitions. [2018-12-02 08:42:45,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:42:45,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-12-02 08:42:45,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:45,406 INFO L225 Difference]: With dead ends: 4016 [2018-12-02 08:42:45,406 INFO L226 Difference]: Without dead ends: 1968 [2018-12-02 08:42:45,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:42:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2018-12-02 08:42:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2018-12-02 08:42:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-12-02 08:42:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2702 transitions. [2018-12-02 08:42:45,434 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2702 transitions. Word has length 153 [2018-12-02 08:42:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:45,434 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2702 transitions. [2018-12-02 08:42:45,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 08:42:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2702 transitions. [2018-12-02 08:42:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 08:42:45,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:45,437 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:45,438 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:45,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:45,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1639097634, now seen corresponding path program 1 times [2018-12-02 08:42:45,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:45,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:45,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:45,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:45,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 08:42:45,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:42:45,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:42:45,484 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-02 08:42:45,485 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [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], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 08:42:45,516 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:42:45,516 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:42:45,758 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:42:45,759 INFO L272 AbstractInterpreter]: Visited 128 different actions 128 times. Never merged. Never widened. Performed 1398 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-02 08:42:45,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:45,766 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:42:45,966 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 81.1% of their original sizes. [2018-12-02 08:42:45,966 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:42:46,006 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-02 08:42:46,006 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:42:46,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:42:46,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-12-02 08:42:46,007 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:46,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:42:46,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:42:46,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:42:46,007 INFO L87 Difference]: Start difference. First operand 1968 states and 2702 transitions. Second operand 7 states. [2018-12-02 08:42:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:48,300 INFO L93 Difference]: Finished difference Result 4076 states and 5592 transitions. [2018-12-02 08:42:48,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:42:48,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2018-12-02 08:42:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:48,307 INFO L225 Difference]: With dead ends: 4076 [2018-12-02 08:42:48,307 INFO L226 Difference]: Without dead ends: 2114 [2018-12-02 08:42:48,311 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:42:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2018-12-02 08:42:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2112. [2018-12-02 08:42:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2018-12-02 08:42:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2854 transitions. [2018-12-02 08:42:48,344 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2854 transitions. Word has length 161 [2018-12-02 08:42:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:48,345 INFO L480 AbstractCegarLoop]: Abstraction has 2112 states and 2854 transitions. [2018-12-02 08:42:48,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:42:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2854 transitions. [2018-12-02 08:42:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 08:42:48,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:48,349 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:48,349 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:48,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:48,349 INFO L82 PathProgramCache]: Analyzing trace with hash -612909043, now seen corresponding path program 1 times [2018-12-02 08:42:48,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:48,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:48,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:48,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:48,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 08:42:48,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:42:48,422 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:42:48,423 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-02 08:42:48,423 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [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], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 08:42:48,427 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:42:48,427 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:42:48,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:42:48,632 INFO L272 AbstractInterpreter]: Visited 132 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Performed 2793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 08:42:48,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:48,638 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:42:48,805 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 81.12% of their original sizes. [2018-12-02 08:42:48,805 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:42:48,863 INFO L418 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-12-02 08:42:48,863 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:42:48,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:42:48,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-12-02 08:42:48,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:48,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:42:48,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:42:48,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:42:48,864 INFO L87 Difference]: Start difference. First operand 2112 states and 2854 transitions. Second operand 11 states. [2018-12-02 08:42:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:52,224 INFO L93 Difference]: Finished difference Result 4527 states and 6099 transitions. [2018-12-02 08:42:52,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 08:42:52,224 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2018-12-02 08:42:52,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:52,228 INFO L225 Difference]: With dead ends: 4527 [2018-12-02 08:42:52,228 INFO L226 Difference]: Without dead ends: 2421 [2018-12-02 08:42:52,230 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-12-02 08:42:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2018-12-02 08:42:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2414. [2018-12-02 08:42:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2018-12-02 08:42:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3177 transitions. [2018-12-02 08:42:52,261 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3177 transitions. Word has length 170 [2018-12-02 08:42:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:52,262 INFO L480 AbstractCegarLoop]: Abstraction has 2414 states and 3177 transitions. [2018-12-02 08:42:52,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:42:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3177 transitions. [2018-12-02 08:42:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 08:42:52,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:52,265 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:52,266 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:52,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:52,266 INFO L82 PathProgramCache]: Analyzing trace with hash -747674707, now seen corresponding path program 1 times [2018-12-02 08:42:52,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:52,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:52,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:52,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:52,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 08:42:52,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:42:52,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:42:52,338 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-12-02 08:42:52,338 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [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], [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], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 08:42:52,340 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:42:52,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:42:52,494 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:42:52,494 INFO L272 AbstractInterpreter]: Visited 132 different actions 388 times. Merged at 6 different actions 12 times. Never widened. Performed 4422 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4422 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 08:42:52,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:52,498 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:42:52,622 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 84.5% of their original sizes. [2018-12-02 08:42:52,622 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:42:52,670 INFO L418 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-12-02 08:42:52,670 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:42:52,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:42:52,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-02 08:42:52,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:42:52,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:42:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:42:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:42:52,671 INFO L87 Difference]: Start difference. First operand 2414 states and 3177 transitions. Second operand 10 states. [2018-12-02 08:42:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:55,529 INFO L93 Difference]: Finished difference Result 6763 states and 9047 transitions. [2018-12-02 08:42:55,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:42:55,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2018-12-02 08:42:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:55,536 INFO L225 Difference]: With dead ends: 6763 [2018-12-02 08:42:55,537 INFO L226 Difference]: Without dead ends: 4355 [2018-12-02 08:42:55,539 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 08:42:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-12-02 08:42:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4340. [2018-12-02 08:42:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4340 states. [2018-12-02 08:42:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4340 states to 4340 states and 5629 transitions. [2018-12-02 08:42:55,590 INFO L78 Accepts]: Start accepts. Automaton has 4340 states and 5629 transitions. Word has length 186 [2018-12-02 08:42:55,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:55,591 INFO L480 AbstractCegarLoop]: Abstraction has 4340 states and 5629 transitions. [2018-12-02 08:42:55,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:42:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 4340 states and 5629 transitions. [2018-12-02 08:42:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 08:42:55,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:42:55,596 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:42:55,596 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:42:55,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:55,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1747066173, now seen corresponding path program 1 times [2018-12-02 08:42:55,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:42:55,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:55,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:55,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:42:55,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:42:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 87 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 08:42:55,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:42:55,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:42:55,715 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-02 08:42:55,715 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [83], [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], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 08:42:55,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:42:55,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:42:55,891 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:42:55,891 INFO L272 AbstractInterpreter]: Visited 134 different actions 402 times. Merged at 8 different actions 22 times. Never widened. Performed 4731 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4731 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 08:42:55,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:55,893 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:42:55,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:42:55,894 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:42:55,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:42:55,901 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:42:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:55,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 08:42:56,060 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:42:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 101 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 08:42:56,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:42:56,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-02 08:42:56,144 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:42:56,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 08:42:56,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 08:42:56,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-12-02 08:42:56,145 INFO L87 Difference]: Start difference. First operand 4340 states and 5629 transitions. Second operand 15 states. [2018-12-02 08:42:57,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:42:57,344 INFO L93 Difference]: Finished difference Result 10297 states and 13494 transitions. [2018-12-02 08:42:57,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:42:57,344 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 196 [2018-12-02 08:42:57,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:42:57,344 INFO L225 Difference]: With dead ends: 10297 [2018-12-02 08:42:57,344 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:42:57,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 399 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-12-02 08:42:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:42:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:42:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:42:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:42:57,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2018-12-02 08:42:57,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:42:57,352 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:42:57,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 08:42:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:42:57,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:42:57,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:42:57,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:57,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:42:58,053 WARN L180 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 80 [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,239 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,240 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 08:42:58,241 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 08:42:58,242 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 08:42:58,243 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 08:42:58,244 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,245 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 08:42:58,246 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 08:42:58,247 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 08:42:58,248 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|))) (let ((.cse17 (= ~a25~0 1)) (.cse18 (= 10 |old(~a28~0)|)) (.cse11 (not .cse7)) (.cse4 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a19~0)|)))) (let ((.cse1 (let ((.cse19 (not (= 0 |old(~a11~0)|)))) (and (or .cse4 (not .cse18) .cse11 .cse19 (not (= 0 |old(~a19~0)|))) (or .cse4 .cse12 (= 0 |old(~a28~0)|) .cse19)))) (.cse0 (= |calculate_output_#in~input| 0)) (.cse6 (not .cse17)) (.cse3 (not (= |old(~a17~0)| 8))) (.cse14 (= 1 ~a25~0)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse5 (= |old(~a11~0)| |old(~a19~0)|)) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= 7 ~a17~0)) (.cse16 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= ~a25~0 0) .cse2 .cse3 (not (= 0 |old(~a25~0)|))) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse4 (and .cse8 .cse9 .cse10 (= ~a17~0 |old(~a17~0)|)) .cse3) (or .cse4 .cse11 .cse12 .cse13 .cse14 (not (= 9 |old(~a28~0)|))) (or .cse4 (not (= 7 |old(~a28~0)|)) (and .cse8 (= 1 ~a11~0) .cse15 .cse14 (= 1 ~a19~0)) .cse11 .cse12 (not (= 1 |old(~a11~0)|)) .cse16) (or .cse1 .cse13 .cse0 (or .cse17 (= ~a19~0 1))) (or .cse4 (and .cse8 .cse9 .cse10 .cse6 .cse15) .cse2 .cse7 .cse16) (or .cse4 .cse6 .cse18 .cse3 .cse7) (or .cse14 (or .cse4 .cse11 .cse12 .cse5 .cse13)) (or .cse4 .cse18 .cse2 .cse5 (and .cse8 .cse9 .cse10 .cse15) .cse16))))) [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,249 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,250 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 08:42:58,251 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 08:42:58,252 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:42:58,253 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)) [2018-12-02 08:42:58,253 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:42:58,253 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:42:58,253 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)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-02 08:42:58,254 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-02 08:42:58,254 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 08:42:58,254 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 08:42:58,254 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-02 08:42:58,254 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 08:42:58,254 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 08:42:58,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:42:58 BoogieIcfgContainer [2018-12-02 08:42:58,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:42:58,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:42:58,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:42:58,263 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:42:58,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:41" (3/4) ... [2018-12-02 08:42:58,266 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:42:58,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:42:58,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 08:42:58,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:42:58,279 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:42:58,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 08:42:58,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-02 08:42:58,347 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82acb8d2-f87b-45c1-b14c-147765e6123a/bin-2019/utaipan/witness.graphml [2018-12-02 08:42:58,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:42:58,348 INFO L168 Benchmark]: Toolchain (without parser) took 17918.50 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 899.7 MB). Free memory was 947.0 MB in the beginning and 879.2 MB in the end (delta: 67.7 MB). Peak memory consumption was 967.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,348 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:42:58,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.82 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. [2018-12-02 08:42:58,348 INFO L168 Benchmark]: Boogie Preprocessor took 47.79 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,349 INFO L168 Benchmark]: RCFGBuilder took 600.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,349 INFO L168 Benchmark]: TraceAbstraction took 16845.55 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 813.7 MB). Free memory was 953.7 MB in the beginning and 901.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 866.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,349 INFO L168 Benchmark]: Witness Printer took 84.09 ms. Allocated memory is still 1.9 GB. Free memory was 901.3 MB in the beginning and 879.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:58,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.82 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 47.79 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 600.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16845.55 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 813.7 MB). Free memory was 953.7 MB in the beginning and 901.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 866.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.09 ms. Allocated memory is still 1.9 GB. Free memory was 901.3 MB in the beginning and 879.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 733 SDtfs, 7156 SDslu, 872 SDs, 0 SdLazy, 9260 SolverSat, 1790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1017 GetRequests, 912 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4340occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9967204328078046 AbsIntWeakeningRatio, 0.22178988326848248 AbsIntAvgWeakeningVarsNumRemoved, 26.215953307392997 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 151 PreInvPairs, 235 NumberOfFragments, 540 HoareAnnotationTreeSize, 151 FomulaSimplifications, 10426 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4367 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1749 NumberOfCodeBlocks, 1749 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1933 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269577 SizeOfPredicates, 1 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 561/649 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...