./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:01:21,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:01:21,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:01:21,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:01:21,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:01:21,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:01:21,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:01:21,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:01:21,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:01:21,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:01:21,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:01:21,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:01:21,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:01:21,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:01:21,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:01:21,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:01:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:01:21,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:01:21,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:01:21,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:01:21,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:01:21,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:01:21,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:01:21,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:01:21,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:01:21,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:01:21,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:01:21,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:01:21,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:01:21,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:01:21,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:01:21,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:01:21,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:01:21,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:01:21,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:01:21,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:01:21,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:01:21,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:01:21,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:01:21,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:01:21,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:01:21,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:01:21,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:01:21,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:01:21,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:01:21,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:01:21,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:01:21,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:01:21,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:01:21,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:01:21,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:01:21,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:01:21,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:01:21,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:01:21,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:01:21,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:01:21,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:01:21,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:01:21,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:01:21,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:01:21,883 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_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2019-12-07 16:01:21,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:01:22,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:01:22,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:01:22,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:01:22,007 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:01:22,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-12-07 16:01:22,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/data/0d6f07493/139fad3938a94a90b494eedfd5ff3481/FLAG6785a24f2 [2019-12-07 16:01:22,444 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:01:22,445 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-12-07 16:01:22,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/data/0d6f07493/139fad3938a94a90b494eedfd5ff3481/FLAG6785a24f2 [2019-12-07 16:01:22,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/data/0d6f07493/139fad3938a94a90b494eedfd5ff3481 [2019-12-07 16:01:22,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:01:22,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:01:22,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:01:22,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:01:22,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:01:22,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:01:22" (1/1) ... [2019-12-07 16:01:22,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742441ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:22, skipping insertion in model container [2019-12-07 16:01:22,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:01:22" (1/1) ... [2019-12-07 16:01:22,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:01:22,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:01:23,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:01:23,085 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:01:23,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:01:23,153 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:01:23,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23 WrapperNode [2019-12-07 16:01:23,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:01:23,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:01:23,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:01:23,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:01:23,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:01:23,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:01:23,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:01:23,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:01:23,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... [2019-12-07 16:01:23,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:01:23,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:01:23,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:01:23,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:01:23,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/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 [2019-12-07 16:01:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:01:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:01:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:01:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:01:23,743 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:01:23,744 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-12-07 16:01:23,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:01:23 BoogieIcfgContainer [2019-12-07 16:01:23,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:01:23,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:01:23,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:01:23,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:01:23,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:01:22" (1/3) ... [2019-12-07 16:01:23,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea22542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:01:23, skipping insertion in model container [2019-12-07 16:01:23,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:01:23" (2/3) ... [2019-12-07 16:01:23,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea22542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:01:23, skipping insertion in model container [2019-12-07 16:01:23,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:01:23" (3/3) ... [2019-12-07 16:01:23,749 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2019-12-07 16:01:23,756 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:01:23,761 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:01:23,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:01:23,785 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:01:23,785 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:01:23,785 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:01:23,786 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:01:23,786 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:01:23,786 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:01:23,786 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:01:23,786 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:01:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-12-07 16:01:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:01:23,803 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:23,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:23,804 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:23,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2019-12-07 16:01:23,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:23,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715944957] [2019-12-07 16:01:23,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:23,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715944957] [2019-12-07 16:01:23,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:23,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:01:23,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180112792] [2019-12-07 16:01:23,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:01:23,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:23,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:01:23,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:01:23,982 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-12-07 16:01:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,004 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2019-12-07 16:01:24,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:01:24,005 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:01:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,013 INFO L225 Difference]: With dead ends: 259 [2019-12-07 16:01:24,013 INFO L226 Difference]: Without dead ends: 129 [2019-12-07 16:01:24,016 INFO L630 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 [2019-12-07 16:01:24,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-12-07 16:01:24,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-12-07 16:01:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-12-07 16:01:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2019-12-07 16:01:24,046 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2019-12-07 16:01:24,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,047 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2019-12-07 16:01:24,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:01:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2019-12-07 16:01:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:01:24,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:24,048 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2019-12-07 16:01:24,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323179963] [2019-12-07 16:01:24,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323179963] [2019-12-07 16:01:24,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:01:24,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522216467] [2019-12-07 16:01:24,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:01:24,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:01:24,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:01:24,110 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2019-12-07 16:01:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,122 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2019-12-07 16:01:24,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:01:24,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 16:01:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,124 INFO L225 Difference]: With dead ends: 129 [2019-12-07 16:01:24,124 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 16:01:24,125 INFO L630 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 [2019-12-07 16:01:24,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 16:01:24,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 16:01:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 16:01:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 16:01:24,132 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2019-12-07 16:01:24,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,132 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 16:01:24,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:01:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 16:01:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:01:24,133 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,133 INFO L410 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] [2019-12-07 16:01:24,133 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2019-12-07 16:01:24,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51918148] [2019-12-07 16:01:24,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51918148] [2019-12-07 16:01:24,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:01:24,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414655073] [2019-12-07 16:01:24,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:01:24,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:01:24,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:01:24,193 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-12-07 16:01:24,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,200 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2019-12-07 16:01:24,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:01:24,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 16:01:24,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,201 INFO L225 Difference]: With dead ends: 99 [2019-12-07 16:01:24,201 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 16:01:24,201 INFO L630 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 [2019-12-07 16:01:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 16:01:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 16:01:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 16:01:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-12-07 16:01:24,206 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2019-12-07 16:01:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,206 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-12-07 16:01:24,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:01:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-12-07 16:01:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:01:24,207 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,207 INFO L410 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] [2019-12-07 16:01:24,207 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2019-12-07 16:01:24,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429951582] [2019-12-07 16:01:24,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429951582] [2019-12-07 16:01:24,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:01:24,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605013923] [2019-12-07 16:01:24,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:01:24,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:01:24,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:01:24,243 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-12-07 16:01:24,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,265 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2019-12-07 16:01:24,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:01:24,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 16:01:24,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,266 INFO L225 Difference]: With dead ends: 121 [2019-12-07 16:01:24,267 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 16:01:24,267 INFO L630 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 [2019-12-07 16:01:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 16:01:24,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-12-07 16:01:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:01:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2019-12-07 16:01:24,273 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2019-12-07 16:01:24,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,273 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2019-12-07 16:01:24,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:01:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2019-12-07 16:01:24,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 16:01:24,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,274 INFO L410 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] [2019-12-07 16:01:24,274 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,275 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2019-12-07 16:01:24,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329950347] [2019-12-07 16:01:24,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329950347] [2019-12-07 16:01:24,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:01:24,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330647725] [2019-12-07 16:01:24,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:01:24,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:01:24,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:01:24,321 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 5 states. [2019-12-07 16:01:24,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,379 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2019-12-07 16:01:24,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:01:24,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 16:01:24,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,381 INFO L225 Difference]: With dead ends: 263 [2019-12-07 16:01:24,381 INFO L226 Difference]: Without dead ends: 197 [2019-12-07 16:01:24,382 INFO L630 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 [2019-12-07 16:01:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-12-07 16:01:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-12-07 16:01:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 16:01:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-12-07 16:01:24,392 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2019-12-07 16:01:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,393 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-12-07 16:01:24,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:01:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-12-07 16:01:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 16:01:24,394 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,394 INFO L410 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] [2019-12-07 16:01:24,394 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2019-12-07 16:01:24,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151048846] [2019-12-07 16:01:24,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151048846] [2019-12-07 16:01:24,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:01:24,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070740360] [2019-12-07 16:01:24,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:01:24,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:01:24,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:01:24,452 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-12-07 16:01:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,551 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2019-12-07 16:01:24,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:01:24,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 16:01:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,553 INFO L225 Difference]: With dead ends: 364 [2019-12-07 16:01:24,553 INFO L226 Difference]: Without dead ends: 294 [2019-12-07 16:01:24,554 INFO L630 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 [2019-12-07 16:01:24,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-12-07 16:01:24,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2019-12-07 16:01:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-12-07 16:01:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2019-12-07 16:01:24,567 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2019-12-07 16:01:24,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,568 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2019-12-07 16:01:24,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:01:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2019-12-07 16:01:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:01:24,569 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,569 INFO L410 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] [2019-12-07 16:01:24,569 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2019-12-07 16:01:24,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351353794] [2019-12-07 16:01:24,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351353794] [2019-12-07 16:01:24,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:01:24,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736112466] [2019-12-07 16:01:24,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:01:24,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:01:24,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:01:24,613 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2019-12-07 16:01:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,722 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2019-12-07 16:01:24,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:01:24,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 16:01:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,725 INFO L225 Difference]: With dead ends: 526 [2019-12-07 16:01:24,725 INFO L226 Difference]: Without dead ends: 394 [2019-12-07 16:01:24,725 INFO L630 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 [2019-12-07 16:01:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-07 16:01:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2019-12-07 16:01:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-12-07 16:01:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2019-12-07 16:01:24,738 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2019-12-07 16:01:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,738 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2019-12-07 16:01:24,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:01:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2019-12-07 16:01:24,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 16:01:24,748 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,748 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:24,749 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2019-12-07 16:01:24,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652682661] [2019-12-07 16:01:24,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652682661] [2019-12-07 16:01:24,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:01:24,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58774043] [2019-12-07 16:01:24,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:01:24,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:01:24,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:01:24,795 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2019-12-07 16:01:24,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,842 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2019-12-07 16:01:24,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:01:24,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 16:01:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,843 INFO L225 Difference]: With dead ends: 355 [2019-12-07 16:01:24,843 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 16:01:24,844 INFO L630 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 [2019-12-07 16:01:24,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 16:01:24,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2019-12-07 16:01:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 16:01:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2019-12-07 16:01:24,853 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2019-12-07 16:01:24,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,853 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2019-12-07 16:01:24,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:01:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2019-12-07 16:01:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 16:01:24,854 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,854 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:24,854 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2019-12-07 16:01:24,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127233228] [2019-12-07 16:01:24,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127233228] [2019-12-07 16:01:24,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:01:24,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323904162] [2019-12-07 16:01:24,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:01:24,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:01:24,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:01:24,880 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2019-12-07 16:01:24,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:24,898 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2019-12-07 16:01:24,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:01:24,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-12-07 16:01:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:24,900 INFO L225 Difference]: With dead ends: 343 [2019-12-07 16:01:24,900 INFO L226 Difference]: Without dead ends: 200 [2019-12-07 16:01:24,900 INFO L630 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 [2019-12-07 16:01:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-12-07 16:01:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-12-07 16:01:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-12-07 16:01:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2019-12-07 16:01:24,910 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2019-12-07 16:01:24,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:24,910 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2019-12-07 16:01:24,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:01:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2019-12-07 16:01:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 16:01:24,911 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:24,911 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:24,911 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:24,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:24,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2019-12-07 16:01:24,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:24,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806251357] [2019-12-07 16:01:24,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:24,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806251357] [2019-12-07 16:01:24,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:01:24,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:01:24,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106555644] [2019-12-07 16:01:24,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:01:24,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:24,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:01:24,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:01:24,949 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 6 states. [2019-12-07 16:01:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:25,106 INFO L93 Difference]: Finished difference Result 669 states and 871 transitions. [2019-12-07 16:01:25,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 16:01:25,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-12-07 16:01:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:25,109 INFO L225 Difference]: With dead ends: 669 [2019-12-07 16:01:25,109 INFO L226 Difference]: Without dead ends: 476 [2019-12-07 16:01:25,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:01:25,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-12-07 16:01:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 200. [2019-12-07 16:01:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-12-07 16:01:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2019-12-07 16:01:25,122 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2019-12-07 16:01:25,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:25,122 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2019-12-07 16:01:25,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:01:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2019-12-07 16:01:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 16:01:25,123 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:25,123 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:25,123 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:25,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2019-12-07 16:01:25,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:25,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656796102] [2019-12-07 16:01:25,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:25,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656796102] [2019-12-07 16:01:25,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153093885] [2019-12-07 16:01:25,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/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 [2019-12-07 16:01:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:25,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:01:25,278 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:01:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:01:25,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 16:01:25,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-12-07 16:01:25,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694417130] [2019-12-07 16:01:25,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:01:25,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:25,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:01:25,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:01:25,295 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 3 states. [2019-12-07 16:01:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:25,330 INFO L93 Difference]: Finished difference Result 311 states and 401 transitions. [2019-12-07 16:01:25,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:01:25,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-12-07 16:01:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:25,332 INFO L225 Difference]: With dead ends: 311 [2019-12-07 16:01:25,332 INFO L226 Difference]: Without dead ends: 309 [2019-12-07 16:01:25,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:01:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-12-07 16:01:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2019-12-07 16:01:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-12-07 16:01:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions. [2019-12-07 16:01:25,345 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 56 [2019-12-07 16:01:25,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:25,345 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 292 transitions. [2019-12-07 16:01:25,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:01:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2019-12-07 16:01:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-07 16:01:25,346 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:01:25,346 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:01:25,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:01:25,547 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:01:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:01:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash 240636856, now seen corresponding path program 1 times [2019-12-07 16:01:25,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:01:25,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349636054] [2019-12-07 16:01:25,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:01:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 16:01:25,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349636054] [2019-12-07 16:01:25,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548610084] [2019-12-07 16:01:25,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:01:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:01:25,747 INFO L264 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:01:25,751 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:01:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-07 16:01:25,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 16:01:25,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-12-07 16:01:25,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113616175] [2019-12-07 16:01:25,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:01:25,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:01:25,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:01:25,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:01:25,792 INFO L87 Difference]: Start difference. First operand 224 states and 292 transitions. Second operand 6 states. [2019-12-07 16:01:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:01:25,945 INFO L93 Difference]: Finished difference Result 523 states and 678 transitions. [2019-12-07 16:01:25,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 16:01:25,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-12-07 16:01:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:01:25,945 INFO L225 Difference]: With dead ends: 523 [2019-12-07 16:01:25,945 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:01:25,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-12-07 16:01:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:01:25,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:01:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:01:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:01:25,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-12-07 16:01:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:01:25,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:01:25,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:01:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:01:25,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:01:26,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:01:26,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:01:26,377 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2019-12-07 16:01:26,811 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2019-12-07 16:01:27,165 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-12-07 16:01:27,443 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 14 [2019-12-07 16:01:27,748 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 15 [2019-12-07 16:01:27,959 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-12-07 16:01:28,555 WARN L192 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 17 [2019-12-07 16:01:29,221 WARN L192 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2019-12-07 16:01:29,630 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2019-12-07 16:01:29,901 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 18 [2019-12-07 16:01:30,028 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2019-12-07 16:01:30,032 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,032 INFO L246 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L630-2(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L630-4(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L630-6(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L630-8(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L630-10(lines 630 636) no Hoare annotation was computed. [2019-12-07 16:01:30,033 INFO L246 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-12-07 16:01:30,034 INFO L246 CegarLoopResult]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-12-07 16:01:30,034 INFO L242 CegarLoopResult]: At program point L664(lines 659 667) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-12-07 16:01:30,034 INFO L242 CegarLoopResult]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2019-12-07 16:01:30,034 INFO L246 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L242 CegarLoopResult]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,035 INFO L246 CegarLoopResult]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,036 INFO L246 CegarLoopResult]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,036 INFO L246 CegarLoopResult]: For program point L568-3(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,036 INFO L246 CegarLoopResult]: For program point L568-4(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,036 INFO L246 CegarLoopResult]: For program point L568-5(lines 568 585) no Hoare annotation was computed. [2019-12-07 16:01:30,036 INFO L242 CegarLoopResult]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 16:01:30,037 INFO L242 CegarLoopResult]: At program point L833-1(lines 828 836) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:01:30,037 INFO L242 CegarLoopResult]: At program point L833-2(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 16:01:30,037 INFO L242 CegarLoopResult]: At program point L833-3(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 16:01:30,037 INFO L242 CegarLoopResult]: At program point L833-4(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,037 INFO L242 CegarLoopResult]: At program point L833-5(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,038 INFO L242 CegarLoopResult]: At program point L833-6(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,038 INFO L242 CegarLoopResult]: At program point L833-7(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,038 INFO L242 CegarLoopResult]: At program point L833-8(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,038 INFO L242 CegarLoopResult]: At program point L536(lines 535 554) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-12-07 16:01:30,038 INFO L242 CegarLoopResult]: At program point L833-9(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,038 INFO L246 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2019-12-07 16:01:30,039 INFO L242 CegarLoopResult]: At program point L833-10(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,039 INFO L242 CegarLoopResult]: At program point L536-2(lines 535 554) the Hoare annotation is: false [2019-12-07 16:01:30,039 INFO L242 CegarLoopResult]: At program point L833-11(lines 828 836) the Hoare annotation is: false [2019-12-07 16:01:30,039 INFO L242 CegarLoopResult]: At program point L536-3(lines 535 554) the Hoare annotation is: false [2019-12-07 16:01:30,039 INFO L246 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2019-12-07 16:01:30,039 INFO L246 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L770-2(lines 536 542) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,040 INFO L246 CegarLoopResult]: For program point L572-3(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,041 INFO L246 CegarLoopResult]: For program point L572-4(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,041 INFO L246 CegarLoopResult]: For program point L572-5(lines 572 580) no Hoare annotation was computed. [2019-12-07 16:01:30,041 INFO L246 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2019-12-07 16:01:30,041 INFO L242 CegarLoopResult]: At program point L936-1(lines 1 956) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse3 (= 1 ~methaneLevelCritical~0) .cse2))) [2019-12-07 16:01:30,041 INFO L246 CegarLoopResult]: For program point L936-2(lines 936 953) no Hoare annotation was computed. [2019-12-07 16:01:30,041 INFO L242 CegarLoopResult]: At program point L936-3(lines 1 956) the Hoare annotation is: false [2019-12-07 16:01:30,042 INFO L246 CegarLoopResult]: For program point L936-4(lines 936 953) no Hoare annotation was computed. [2019-12-07 16:01:30,042 INFO L242 CegarLoopResult]: At program point L936-5(lines 1 956) the Hoare annotation is: false [2019-12-07 16:01:30,042 INFO L246 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-12-07 16:01:30,042 INFO L249 CegarLoopResult]: At program point L507-1(lines 507 514) the Hoare annotation is: true [2019-12-07 16:01:30,042 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,042 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L242 CegarLoopResult]: At program point L906(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L873-3(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,043 INFO L246 CegarLoopResult]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,044 INFO L246 CegarLoopResult]: For program point L873-5(lines 873 879) no Hoare annotation was computed. [2019-12-07 16:01:30,044 INFO L242 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 16:01:30,044 INFO L242 CegarLoopResult]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2019-12-07 16:01:30,044 INFO L242 CegarLoopResult]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2019-12-07 16:01:30,044 INFO L246 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2019-12-07 16:01:30,044 INFO L246 CegarLoopResult]: For program point L940-2(lines 940 950) no Hoare annotation was computed. [2019-12-07 16:01:30,044 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-12-07 16:01:30,045 INFO L246 CegarLoopResult]: For program point L940-4(lines 940 950) no Hoare annotation was computed. [2019-12-07 16:01:30,045 INFO L242 CegarLoopResult]: At program point L478(lines 474 480) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:01:30,045 INFO L246 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2019-12-07 16:01:30,045 INFO L246 CegarLoopResult]: For program point L941-2(lines 941 947) no Hoare annotation was computed. [2019-12-07 16:01:30,045 INFO L246 CegarLoopResult]: For program point L941-4(lines 941 947) no Hoare annotation was computed. [2019-12-07 16:01:30,045 INFO L246 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L744-1(lines 744 750) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse3 (= 1 ~methaneLevelCritical~0) .cse2))) [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L878(lines 869 882) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L878-1(lines 869 882) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L878-2(lines 869 882) the Hoare annotation is: false [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L878-3(lines 869 882) the Hoare annotation is: false [2019-12-07 16:01:30,046 INFO L242 CegarLoopResult]: At program point L878-4(lines 869 882) the Hoare annotation is: false [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,047 INFO L242 CegarLoopResult]: At program point L878-5(lines 869 882) the Hoare annotation is: false [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713-3(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713-5(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713-6(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,047 INFO L246 CegarLoopResult]: For program point L713-8(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-9(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-11(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-12(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-14(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-15(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,048 INFO L246 CegarLoopResult]: For program point L713-17(lines 713 717) no Hoare annotation was computed. [2019-12-07 16:01:30,049 INFO L242 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: false [2019-12-07 16:01:30,049 INFO L249 CegarLoopResult]: At program point L516(lines 497 519) the Hoare annotation is: true [2019-12-07 16:01:30,049 INFO L242 CegarLoopResult]: At program point L914(lines 909 917) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:01:30,049 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:01:30,049 INFO L242 CegarLoopResult]: At program point L719(lines 704 722) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:01:30,049 INFO L242 CegarLoopResult]: At program point L719-1(lines 704 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 16:01:30,050 INFO L242 CegarLoopResult]: At program point L719-2(lines 704 722) the Hoare annotation is: false [2019-12-07 16:01:30,050 INFO L242 CegarLoopResult]: At program point L719-3(lines 704 722) the Hoare annotation is: false [2019-12-07 16:01:30,050 INFO L242 CegarLoopResult]: At program point L719-4(lines 704 722) the Hoare annotation is: false [2019-12-07 16:01:30,050 INFO L242 CegarLoopResult]: At program point L719-5(lines 704 722) the Hoare annotation is: false [2019-12-07 16:01:30,050 INFO L246 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:01:30,050 INFO L246 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2019-12-07 16:01:30,050 INFO L242 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 16:01:30,051 INFO L242 CegarLoopResult]: At program point L655(lines 648 658) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 16:01:30,051 INFO L242 CegarLoopResult]: At program point L655-1(lines 648 658) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:01:30,051 INFO L242 CegarLoopResult]: At program point L655-2(lines 648 658) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2))) [2019-12-07 16:01:30,051 INFO L242 CegarLoopResult]: At program point L655-3(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,051 INFO L242 CegarLoopResult]: At program point L655-4(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L242 CegarLoopResult]: At program point L655-5(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L242 CegarLoopResult]: At program point L655-6(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L242 CegarLoopResult]: At program point L655-7(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L242 CegarLoopResult]: At program point L655-8(lines 648 658) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:01:30,052 INFO L242 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2019-12-07 16:01:30,052 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 16:01:30,053 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:01:30,053 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 16:01:30,053 INFO L246 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-12-07 16:01:30,053 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2019-12-07 16:01:30,053 INFO L246 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2019-12-07 16:01:30,054 INFO L242 CegarLoopResult]: At program point L925(lines 920 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:01:30,054 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 16:01:30,054 INFO L246 CegarLoopResult]: For program point L431-1(lines 536 542) no Hoare annotation was computed. [2019-12-07 16:01:30,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:01:30 BoogieIcfgContainer [2019-12-07 16:01:30,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:01:30,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:01:30,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:01:30,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:01:30,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:01:23" (3/4) ... [2019-12-07 16:01:30,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:01:30,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:01:30,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:01:30,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:01:30,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:01:30,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:01:30,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:01:30,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:01:30,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 16:01:30,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 16:01:30,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:01:30,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:01:30,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 16:01:30,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 16:01:30,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-12-07 16:01:30,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:01:30,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:01:30,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:01:30,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 16:01:30,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:01:30,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:01:30,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_15f5167c-f55c-4e8d-b5e8-b2d4bf6b20e3/bin/uautomizer/witness.graphml [2019-12-07 16:01:30,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:01:30,186 INFO L168 Benchmark]: Toolchain (without parser) took 7359.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 941.9 MB in the beginning and 819.6 MB in the end (delta: 122.4 MB). Peak memory consumption was 335.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,186 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:01:30,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,187 INFO L168 Benchmark]: Boogie Preprocessor took 32.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,187 INFO L168 Benchmark]: RCFGBuilder took 511.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,187 INFO L168 Benchmark]: TraceAbstraction took 6336.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.7 MB). Free memory was 998.6 MB in the beginning and 836.5 MB in the end (delta: 162.1 MB). Peak memory consumption was 274.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,188 INFO L168 Benchmark]: Witness Printer took 103.55 ms. Allocated memory is still 1.2 GB. Free memory was 836.5 MB in the beginning and 819.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:01:30,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 511.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6336.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.7 MB). Free memory was 998.6 MB in the beginning and 836.5 MB in the end (delta: 162.1 MB). Peak memory consumption was 274.1 MB. Max. memory is 11.5 GB. * Witness Printer took 103.55 ms. Allocated memory is still 1.2 GB. Free memory was 836.5 MB in the beginning and 819.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 1314 SDtfs, 1745 SDslu, 2194 SDs, 0 SdLazy, 347 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 968 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 185 NumberOfFragments, 608 HoareAnnotationTreeSize, 55 FomulaSimplifications, 588208 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 216976 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 47505 SizeOfPredicates, 6 NumberOfNonLiveVariables, 904 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 108/128 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...