./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a35b365de7365eb1088366c2b8165f4a523d787 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:20:40,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:20:40,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:20:40,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:20:40,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:20:40,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:20:40,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:20:40,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:20:40,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:20:40,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:20:40,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:20:40,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:20:40,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:20:40,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:20:40,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:20:40,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:20:40,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:20:40,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:20:40,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:20:40,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:20:40,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:20:40,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:20:40,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:20:40,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:20:40,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:20:40,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:20:40,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:20:40,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:20:40,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:20:40,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:20:40,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:20:40,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:20:40,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:20:40,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:20:40,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:20:40,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:20:40,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:20:40,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:20:40,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:20:40,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:20:40,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:20:40,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:20:40,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:20:40,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:20:40,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:20:40,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:20:40,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:20:40,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:20:40,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:20:40,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:20:40,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:20:40,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:20:40,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:20:40,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:20:40,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:20:40,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:20:40,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:20:40,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:20:40,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:20:40,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:20:40,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:20:40,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:20:40,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:20:40,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:20:40,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:20:40,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:20:40,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:20:40,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:20:40,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:20:40,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:20:40,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer 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 -> Automizer 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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-11-16 00:20:40,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:20:40,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:20:40,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:20:41,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:20:41,000 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:20:41,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-16 00:20:41,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/data/2f3898ccc/a9816422df484b9dbe7e06f1b2681c4b/FLAG359b26481 [2019-11-16 00:20:41,567 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:20:41,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-16 00:20:41,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/data/2f3898ccc/a9816422df484b9dbe7e06f1b2681c4b/FLAG359b26481 [2019-11-16 00:20:41,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/data/2f3898ccc/a9816422df484b9dbe7e06f1b2681c4b [2019-11-16 00:20:41,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:20:41,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:20:41,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:20:41,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:20:41,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:20:41,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f310f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41, skipping insertion in model container [2019-11-16 00:20:41,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:20:41,924 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:20:42,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:20:42,427 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:20:42,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:20:42,551 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:20:42,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42 WrapperNode [2019-11-16 00:20:42,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:20:42,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:20:42,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:20:42,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:20:42,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:20:42,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:20:42,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:20:42,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:20:42,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... [2019-11-16 00:20:42,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:20:42,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:20:42,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:20:42,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:20:42,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/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 [2019-11-16 00:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:20:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:20:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:20:43,830 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:20:43,831 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-16 00:20:43,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:43 BoogieIcfgContainer [2019-11-16 00:20:43,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:20:43,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:20:43,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:20:43,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:20:43,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:20:41" (1/3) ... [2019-11-16 00:20:43,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e608fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:20:43, skipping insertion in model container [2019-11-16 00:20:43,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:42" (2/3) ... [2019-11-16 00:20:43,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e608fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:20:43, skipping insertion in model container [2019-11-16 00:20:43,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:43" (3/3) ... [2019-11-16 00:20:43,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-11-16 00:20:43,852 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:20:43,862 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-16 00:20:43,873 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-16 00:20:43,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:20:43,904 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:20:43,904 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:20:43,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:20:43,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:20:43,904 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:20:43,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:20:43,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:20:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-11-16 00:20:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:20:43,937 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:43,938 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:20:43,939 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:43,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:43,943 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-11-16 00:20:43,949 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:43,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72494959] [2019-11-16 00:20:43,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:43,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:43,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:44,152 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72494959] [2019-11-16 00:20:44,153 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:44,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:20:44,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404644977] [2019-11-16 00:20:44,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:20:44,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:44,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:20:44,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:20:44,171 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-11-16 00:20:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:44,202 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-11-16 00:20:44,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:20:44,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-16 00:20:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:44,216 INFO L225 Difference]: With dead ends: 268 [2019-11-16 00:20:44,216 INFO L226 Difference]: Without dead ends: 133 [2019-11-16 00:20:44,219 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:20:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-16 00:20:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-16 00:20:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-16 00:20:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-11-16 00:20:44,266 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-11-16 00:20:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:44,267 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-11-16 00:20:44,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:20:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-11-16 00:20:44,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:20:44,268 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:44,268 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:20:44,269 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:44,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:44,269 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-11-16 00:20:44,269 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:44,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248316481] [2019-11-16 00:20:44,270 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,270 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:44,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248316481] [2019-11-16 00:20:44,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:44,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:20:44,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88200400] [2019-11-16 00:20:44,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:20:44,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:44,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:20:44,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:20:44,368 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-11-16 00:20:44,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:44,383 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-11-16 00:20:44,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:20:44,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-16 00:20:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:44,385 INFO L225 Difference]: With dead ends: 133 [2019-11-16 00:20:44,385 INFO L226 Difference]: Without dead ends: 55 [2019-11-16 00:20:44,386 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:20:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-16 00:20:44,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-16 00:20:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-16 00:20:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-16 00:20:44,393 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-11-16 00:20:44,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:44,393 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-16 00:20:44,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:20:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-16 00:20:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-16 00:20:44,394 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:44,395 INFO L380 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] [2019-11-16 00:20:44,395 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:44,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-11-16 00:20:44,395 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:44,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721595282] [2019-11-16 00:20:44,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:44,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721595282] [2019-11-16 00:20:44,529 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:44,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:20:44,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132651137] [2019-11-16 00:20:44,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:20:44,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:44,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:20:44,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:20:44,530 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-16 00:20:44,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:44,678 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-11-16 00:20:44,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:20:44,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-16 00:20:44,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:44,681 INFO L225 Difference]: With dead ends: 176 [2019-11-16 00:20:44,681 INFO L226 Difference]: Without dead ends: 127 [2019-11-16 00:20:44,682 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:20:44,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-16 00:20:44,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-11-16 00:20:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-16 00:20:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-11-16 00:20:44,694 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-11-16 00:20:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:44,695 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-11-16 00:20:44,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:20:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-11-16 00:20:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-16 00:20:44,696 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:44,697 INFO L380 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] [2019-11-16 00:20:44,697 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-11-16 00:20:44,698 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:44,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669997516] [2019-11-16 00:20:44,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:44,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669997516] [2019-11-16 00:20:44,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:44,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:20:44,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315917825] [2019-11-16 00:20:44,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:20:44,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:44,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:20:44,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:20:44,783 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-11-16 00:20:44,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:44,848 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-11-16 00:20:44,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:20:44,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-16 00:20:44,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:44,850 INFO L225 Difference]: With dead ends: 163 [2019-11-16 00:20:44,850 INFO L226 Difference]: Without dead ends: 95 [2019-11-16 00:20:44,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:20:44,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-16 00:20:44,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-11-16 00:20:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-16 00:20:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-11-16 00:20:44,863 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-11-16 00:20:44,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:44,864 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-11-16 00:20:44,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:20:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-11-16 00:20:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-16 00:20:44,865 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:44,865 INFO L380 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] [2019-11-16 00:20:44,866 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:44,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-11-16 00:20:44,867 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:44,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422275191] [2019-11-16 00:20:44,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:44,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:44,951 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422275191] [2019-11-16 00:20:44,952 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:44,952 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:20:44,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720432096] [2019-11-16 00:20:44,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:44,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:44,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:44,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:44,954 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-11-16 00:20:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:45,074 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2019-11-16 00:20:45,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:20:45,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-16 00:20:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:45,080 INFO L225 Difference]: With dead ends: 331 [2019-11-16 00:20:45,080 INFO L226 Difference]: Without dead ends: 244 [2019-11-16 00:20:45,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:20:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-11-16 00:20:45,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2019-11-16 00:20:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-16 00:20:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2019-11-16 00:20:45,131 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2019-11-16 00:20:45,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:45,132 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2019-11-16 00:20:45,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2019-11-16 00:20:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-16 00:20:45,137 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:45,137 INFO L380 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] [2019-11-16 00:20:45,138 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:45,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:45,138 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2019-11-16 00:20:45,138 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:45,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634954575] [2019-11-16 00:20:45,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:45,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634954575] [2019-11-16 00:20:45,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:45,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:20:45,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268074551] [2019-11-16 00:20:45,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:45,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:45,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:45,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:45,260 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2019-11-16 00:20:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:45,423 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2019-11-16 00:20:45,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:20:45,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-16 00:20:45,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:45,426 INFO L225 Difference]: With dead ends: 327 [2019-11-16 00:20:45,427 INFO L226 Difference]: Without dead ends: 325 [2019-11-16 00:20:45,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:20:45,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-16 00:20:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2019-11-16 00:20:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-16 00:20:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2019-11-16 00:20:45,462 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2019-11-16 00:20:45,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:45,464 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2019-11-16 00:20:45,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2019-11-16 00:20:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:20:45,468 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:45,468 INFO L380 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] [2019-11-16 00:20:45,476 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:45,476 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2019-11-16 00:20:45,477 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:45,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724386073] [2019-11-16 00:20:45,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:45,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724386073] [2019-11-16 00:20:45,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:45,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:20:45,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679164430] [2019-11-16 00:20:45,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:45,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:45,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:45,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:45,567 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 5 states. [2019-11-16 00:20:45,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:45,688 INFO L93 Difference]: Finished difference Result 463 states and 634 transitions. [2019-11-16 00:20:45,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:20:45,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-16 00:20:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:45,692 INFO L225 Difference]: With dead ends: 463 [2019-11-16 00:20:45,692 INFO L226 Difference]: Without dead ends: 314 [2019-11-16 00:20:45,693 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:20:45,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-16 00:20:45,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 164. [2019-11-16 00:20:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-16 00:20:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 222 transitions. [2019-11-16 00:20:45,722 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 222 transitions. Word has length 34 [2019-11-16 00:20:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:45,722 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 222 transitions. [2019-11-16 00:20:45,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2019-11-16 00:20:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:20:45,723 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:45,724 INFO L380 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] [2019-11-16 00:20:45,724 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:45,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589874, now seen corresponding path program 1 times [2019-11-16 00:20:45,725 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:45,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898702235] [2019-11-16 00:20:45,725 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,725 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:45,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898702235] [2019-11-16 00:20:45,794 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:45,794 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:20:45,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840599900] [2019-11-16 00:20:45,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:20:45,795 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:45,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:20:45,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:20:45,795 INFO L87 Difference]: Start difference. First operand 164 states and 222 transitions. Second operand 4 states. [2019-11-16 00:20:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:45,857 INFO L93 Difference]: Finished difference Result 382 states and 517 transitions. [2019-11-16 00:20:45,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:20:45,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-16 00:20:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:45,860 INFO L225 Difference]: With dead ends: 382 [2019-11-16 00:20:45,860 INFO L226 Difference]: Without dead ends: 224 [2019-11-16 00:20:45,861 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-16 00:20:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 145. [2019-11-16 00:20:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-16 00:20:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2019-11-16 00:20:45,878 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 193 transitions. Word has length 34 [2019-11-16 00:20:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:45,878 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 193 transitions. [2019-11-16 00:20:45,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:20:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2019-11-16 00:20:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:20:45,879 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:45,879 INFO L380 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] [2019-11-16 00:20:45,879 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:45,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2019-11-16 00:20:45,880 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:45,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476897931] [2019-11-16 00:20:45,880 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:45,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:45,970 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476897931] [2019-11-16 00:20:45,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:45,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:20:45,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190195011] [2019-11-16 00:20:45,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:45,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:45,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:45,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:45,972 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. Second operand 5 states. [2019-11-16 00:20:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:46,122 INFO L93 Difference]: Finished difference Result 380 states and 520 transitions. [2019-11-16 00:20:46,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:20:46,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-16 00:20:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:46,125 INFO L225 Difference]: With dead ends: 380 [2019-11-16 00:20:46,125 INFO L226 Difference]: Without dead ends: 283 [2019-11-16 00:20:46,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:20:46,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-16 00:20:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 205. [2019-11-16 00:20:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-16 00:20:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2019-11-16 00:20:46,147 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 34 [2019-11-16 00:20:46,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:46,147 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2019-11-16 00:20:46,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2019-11-16 00:20:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-16 00:20:46,148 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:46,148 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-11-16 00:20:46,149 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:46,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:46,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2019-11-16 00:20:46,149 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:46,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589255320] [2019-11-16 00:20:46,150 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:46,150 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:46,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:46,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589255320] [2019-11-16 00:20:46,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443541470] [2019-11-16 00:20:46,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:20:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:46,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:20:46,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:20:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:46,440 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:20:46,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-16 00:20:46,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773978184] [2019-11-16 00:20:46,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:20:46,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:46,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:20:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:20:46,442 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand 6 states. [2019-11-16 00:20:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:46,667 INFO L93 Difference]: Finished difference Result 617 states and 834 transitions. [2019-11-16 00:20:46,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:20:46,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-16 00:20:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:46,671 INFO L225 Difference]: With dead ends: 617 [2019-11-16 00:20:46,672 INFO L226 Difference]: Without dead ends: 460 [2019-11-16 00:20:46,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:20:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-16 00:20:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 278. [2019-11-16 00:20:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-16 00:20:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 371 transitions. [2019-11-16 00:20:46,708 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 371 transitions. Word has length 55 [2019-11-16 00:20:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:46,708 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 371 transitions. [2019-11-16 00:20:46,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:20:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2019-11-16 00:20:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-16 00:20:46,711 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:46,711 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-16 00:20:46,915 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:20:46,916 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:46,916 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2019-11-16 00:20:46,916 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:46,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032864504] [2019-11-16 00:20:46,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:46,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:46,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-16 00:20:47,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032864504] [2019-11-16 00:20:47,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:47,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:20:47,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994325161] [2019-11-16 00:20:47,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:47,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:47,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:47,081 INFO L87 Difference]: Start difference. First operand 278 states and 371 transitions. Second operand 5 states. [2019-11-16 00:20:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:47,280 INFO L93 Difference]: Finished difference Result 824 states and 1115 transitions. [2019-11-16 00:20:47,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:20:47,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-16 00:20:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:47,286 INFO L225 Difference]: With dead ends: 824 [2019-11-16 00:20:47,286 INFO L226 Difference]: Without dead ends: 593 [2019-11-16 00:20:47,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:20:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-11-16 00:20:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 382. [2019-11-16 00:20:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-11-16 00:20:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 509 transitions. [2019-11-16 00:20:47,331 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 509 transitions. Word has length 76 [2019-11-16 00:20:47,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:47,332 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 509 transitions. [2019-11-16 00:20:47,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 509 transitions. [2019-11-16 00:20:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-16 00:20:47,334 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:47,334 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:20:47,334 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:47,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:47,334 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2019-11-16 00:20:47,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:47,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132360862] [2019-11-16 00:20:47,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:47,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:47,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-16 00:20:47,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132360862] [2019-11-16 00:20:47,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:47,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:20:47,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167748776] [2019-11-16 00:20:47,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:47,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:47,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:47,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:47,401 INFO L87 Difference]: Start difference. First operand 382 states and 509 transitions. Second operand 5 states. [2019-11-16 00:20:47,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:47,504 INFO L93 Difference]: Finished difference Result 732 states and 975 transitions. [2019-11-16 00:20:47,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:20:47,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-16 00:20:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:47,505 INFO L225 Difference]: With dead ends: 732 [2019-11-16 00:20:47,505 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:20:47,506 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:20:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:20:47,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:20:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:20:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:20:47,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-16 00:20:47,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:47,507 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:20:47,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:20:47,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:20:47,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:20:47,680 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-11-16 00:20:47,928 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 140 [2019-11-16 00:20:48,116 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-16 00:20:48,322 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 135 [2019-11-16 00:20:48,526 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 134 [2019-11-16 00:20:48,728 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-16 00:20:49,495 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 21 [2019-11-16 00:20:50,245 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2019-11-16 00:20:50,978 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-16 00:20:51,785 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 19 [2019-11-16 00:20:51,918 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 13 [2019-11-16 00:20:52,524 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2019-11-16 00:20:53,177 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-16 00:20:53,428 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 22 [2019-11-16 00:20:53,607 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 20 [2019-11-16 00:20:54,027 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 27 [2019-11-16 00:20:54,240 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 14 [2019-11-16 00:20:54,243 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-16 00:20:54,243 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-11-16 00:20:54,243 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 194 200) no Hoare annotation was computed. [2019-11-16 00:20:54,243 INFO L439 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and (not (= 0 ~systemActive~0)) .cse1)) (and .cse0 (and .cse2 .cse1)) (and (= 1 ~waterLevel~0) .cse2 .cse1))) [2019-11-16 00:20:54,244 INFO L439 ceAbstractionStarter]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-11-16 00:20:54,244 INFO L439 ceAbstractionStarter]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-11-16 00:20:54,244 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-11-16 00:20:54,244 INFO L446 ceAbstractionStarter]: At program point L499-1(lines 499 506) the Hoare annotation is: true [2019-11-16 00:20:54,244 INFO L439 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: false [2019-11-16 00:20:54,244 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,244 INFO L439 ceAbstractionStarter]: At program point L601(lines 592 605) the Hoare annotation is: false [2019-11-16 00:20:54,244 INFO L439 ceAbstractionStarter]: At program point L601-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (and (= 1 ~waterLevel~0) .cse0) .cse1))) [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L601-2(lines 592 605) the Hoare annotation is: false [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L601-3(lines 592 605) the Hoare annotation is: false [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L601-4(lines 592 605) the Hoare annotation is: false [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L601-5(lines 592 605) the Hoare annotation is: false [2019-11-16 00:20:54,245 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:54,245 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-11-16 00:20:54,245 INFO L439 ceAbstractionStarter]: At program point L405-1(lines 405 411) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-3(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-5(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-6(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-8(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-9(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-11(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-12(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,246 INFO L443 ceAbstractionStarter]: For program point L372-14(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,247 INFO L443 ceAbstractionStarter]: For program point L372-15(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,247 INFO L443 ceAbstractionStarter]: For program point L372-17(lines 372 376) no Hoare annotation was computed. [2019-11-16 00:20:54,247 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-11-16 00:20:54,247 INFO L439 ceAbstractionStarter]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse3 .cse4)) (.cse2 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (and (= 1 ~waterLevel~0) .cse2) .cse3) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= 1 ~waterLevel~0)) (and .cse2 .cse0)))) [2019-11-16 00:20:54,247 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,247 INFO L446 ceAbstractionStarter]: At program point L508(lines 489 511) the Hoare annotation is: true [2019-11-16 00:20:54,247 INFO L439 ceAbstractionStarter]: At program point L476(lines 472 478) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:54,247 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378(lines 363 381) the Hoare annotation is: false [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378-1(lines 363 381) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1) (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378-2(lines 363 381) the Hoare annotation is: false [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378-3(lines 363 381) the Hoare annotation is: false [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378-4(lines 363 381) the Hoare annotation is: false [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L378-5(lines 363 381) the Hoare annotation is: false [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L611(lines 606 614) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:54,248 INFO L439 ceAbstractionStarter]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314(lines 307 317) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314-1(lines 307 317) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314-2(lines 307 317) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314-3(lines 307 317) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314-4(lines 307 317) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L439 ceAbstractionStarter]: At program point L314-5(lines 307 317) the Hoare annotation is: false [2019-11-16 00:20:54,249 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:20:54,249 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-11-16 00:20:54,249 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-11-16 00:20:54,250 INFO L443 ceAbstractionStarter]: For program point L252-1(lines 252 269) no Hoare annotation was computed. [2019-11-16 00:20:54,250 INFO L443 ceAbstractionStarter]: For program point L252-2(lines 252 269) no Hoare annotation was computed. [2019-11-16 00:20:54,250 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-11-16 00:20:54,250 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 1 989) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (not (= 0 ~systemActive~0)) .cse2)) (.cse1 (= ~pumpRunning~0 0))) (or (and (and (= 1 ~waterLevel~0) .cse0) .cse1) (and (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (and .cse1 .cse2) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0))))) [2019-11-16 00:20:54,250 INFO L443 ceAbstractionStarter]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-11-16 00:20:54,251 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 1 989) the Hoare annotation is: false [2019-11-16 00:20:54,252 INFO L443 ceAbstractionStarter]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-11-16 00:20:54,252 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 1 989) the Hoare annotation is: false [2019-11-16 00:20:54,252 INFO L443 ceAbstractionStarter]: For program point L519(lines 519 523) no Hoare annotation was computed. [2019-11-16 00:20:54,252 INFO L443 ceAbstractionStarter]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2019-11-16 00:20:54,252 INFO L443 ceAbstractionStarter]: For program point L519-6(lines 519 523) no Hoare annotation was computed. [2019-11-16 00:20:54,252 INFO L443 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L256-1(lines 256 264) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2019-11-16 00:20:54,253 INFO L443 ceAbstractionStarter]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L289-6(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L289-8(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L289-10(lines 289 295) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,254 INFO L443 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,255 INFO L443 ceAbstractionStarter]: For program point L620-2(line 620) no Hoare annotation was computed. [2019-11-16 00:20:54,255 INFO L439 ceAbstractionStarter]: At program point L323(lines 318 326) the Hoare annotation is: false [2019-11-16 00:20:54,255 INFO L439 ceAbstractionStarter]: At program point L323-1(lines 318 326) the Hoare annotation is: false [2019-11-16 00:20:54,255 INFO L439 ceAbstractionStarter]: At program point L323-2(lines 318 326) the Hoare annotation is: false [2019-11-16 00:20:54,255 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-11-16 00:20:54,255 INFO L439 ceAbstractionStarter]: At program point L158-1(lines 194 200) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 (and .cse1 .cse2)) (and (= 1 ~waterLevel~0) .cse1 .cse2) (and (and (not (= 0 ~systemActive~0)) .cse2) .cse0))) [2019-11-16 00:20:54,256 INFO L439 ceAbstractionStarter]: At program point L588(lines 583 591) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= ~pumpRunning~0 0) .cse0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (and (not (= 0 ~systemActive~0)) .cse0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|)))) [2019-11-16 00:20:54,256 INFO L439 ceAbstractionStarter]: At program point L588-1(lines 583 591) the Hoare annotation is: false [2019-11-16 00:20:54,256 INFO L439 ceAbstractionStarter]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2019-11-16 00:20:54,256 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-11-16 00:20:54,256 INFO L443 ceAbstractionStarter]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-11-16 00:20:54,256 INFO L443 ceAbstractionStarter]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-11-16 00:20:54,256 INFO L439 ceAbstractionStarter]: At program point L556(lines 551 559) the Hoare annotation is: false [2019-11-16 00:20:54,257 INFO L439 ceAbstractionStarter]: At program point L556-1(lines 551 559) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:54,257 INFO L439 ceAbstractionStarter]: At program point L556-2(lines 551 559) the Hoare annotation is: false [2019-11-16 00:20:54,257 INFO L439 ceAbstractionStarter]: At program point L556-3(lines 551 559) the Hoare annotation is: false [2019-11-16 00:20:54,257 INFO L439 ceAbstractionStarter]: At program point L556-4(lines 551 559) the Hoare annotation is: false [2019-11-16 00:20:54,257 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,257 INFO L439 ceAbstractionStarter]: At program point L556-5(lines 551 559) the Hoare annotation is: false [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L391-3(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L391-5(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L391-6(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,258 INFO L443 ceAbstractionStarter]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L443 ceAbstractionStarter]: For program point L226-3(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L443 ceAbstractionStarter]: For program point L391-8(lines 391 395) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L443 ceAbstractionStarter]: For program point L226-4(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L443 ceAbstractionStarter]: For program point L226-5(lines 226 243) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:20:54,259 INFO L439 ceAbstractionStarter]: At program point L194(lines 193 212) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and (= 1 ~waterLevel~0) .cse0 .cse1) (and (and (not (= 0 ~systemActive~0)) .cse1) (<= 1 ~waterLevel~0)))) [2019-11-16 00:20:54,260 INFO L443 ceAbstractionStarter]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-11-16 00:20:54,260 INFO L439 ceAbstractionStarter]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-11-16 00:20:54,260 INFO L439 ceAbstractionStarter]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-11-16 00:20:54,260 INFO L439 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2019-11-16 00:20:54,260 INFO L443 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,260 INFO L443 ceAbstractionStarter]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,260 INFO L443 ceAbstractionStarter]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,261 INFO L443 ceAbstractionStarter]: For program point L230-3(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,261 INFO L443 ceAbstractionStarter]: For program point L230-4(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,261 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 989) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:54,261 INFO L443 ceAbstractionStarter]: For program point L230-5(lines 230 238) no Hoare annotation was computed. [2019-11-16 00:20:54,261 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:20:54,261 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-11-16 00:20:54,262 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-11-16 00:20:54,262 INFO L439 ceAbstractionStarter]: At program point L132-1(lines 132 138) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse3 .cse4)) (.cse2 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (and (= 1 ~waterLevel~0) .cse2) .cse3) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= 1 ~waterLevel~0)) (and .cse2 .cse0)))) [2019-11-16 00:20:54,262 INFO L439 ceAbstractionStarter]: At program point L397(lines 382 400) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:54,262 INFO L439 ceAbstractionStarter]: At program point L397-1(lines 382 400) the Hoare annotation is: false [2019-11-16 00:20:54,262 INFO L439 ceAbstractionStarter]: At program point L397-2(lines 382 400) the Hoare annotation is: false [2019-11-16 00:20:54,262 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,263 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,263 INFO L443 ceAbstractionStarter]: For program point L596-2(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,263 INFO L443 ceAbstractionStarter]: For program point L596-3(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,263 INFO L443 ceAbstractionStarter]: For program point L596-4(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,263 INFO L443 ceAbstractionStarter]: For program point L596-5(lines 596 602) no Hoare annotation was computed. [2019-11-16 00:20:54,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:20:54 BoogieIcfgContainer [2019-11-16 00:20:54,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:20:54,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:20:54,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:20:54,291 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:20:54,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:43" (3/4) ... [2019-11-16 00:20:54,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:20:54,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-16 00:20:54,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-16 00:20:54,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-16 00:20:54,320 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:20:54,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:20:54,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-16 00:20:54,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-16 00:20:54,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-16 00:20:54,353 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((2 <= waterLevel && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) [2019-11-16 00:20:54,353 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-16 00:20:54,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-16 00:20:54,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) || ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result) [2019-11-16 00:20:54,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-16 00:20:54,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) || ((\result == 1 && 1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-16 00:20:54,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-16 00:20:54,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && pumpRunning == 0) && 1 <= waterLevel) || (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) [2019-11-16 00:20:54,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d19a25ca-0743-43f7-b78b-a11fb9776798/bin/uautomizer/witness.graphml [2019-11-16 00:20:54,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:20:54,441 INFO L168 Benchmark]: Toolchain (without parser) took 12602.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 124.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,441 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:20:54,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,443 INFO L168 Benchmark]: Boogie Preprocessor took 75.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,443 INFO L168 Benchmark]: RCFGBuilder took 1117.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,443 INFO L168 Benchmark]: TraceAbstraction took 10457.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 298.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,444 INFO L168 Benchmark]: Witness Printer took 149.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:54,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 712.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1117.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10457.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 298.6 MB. Max. memory is 11.5 GB. * Witness Printer took 149.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) || ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter)) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((0 == \result && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && pumpRunning == 0) && 1 <= waterLevel) || (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) || ((\result == 1 && 1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((2 <= waterLevel && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 10.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, HoareTripleCheckerStatistics: 1414 SDtfs, 2089 SDslu, 2342 SDs, 0 SdLazy, 320 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1014 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 542 HoareAnnotationTreeSize, 56 FomulaSimplifications, 387587 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 192129 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 38784 SizeOfPredicates, 4 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 120/126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...