./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:45:35,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:45:35,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:45:35,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:45:35,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:45:35,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:45:35,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:45:35,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:45:35,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:45:35,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:45:35,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:45:35,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:45:35,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:45:35,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:45:35,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:45:35,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:45:35,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:45:35,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:45:35,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:45:35,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:45:35,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:45:35,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:45:35,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:45:35,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:45:35,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:45:35,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:45:35,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:45:35,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:45:35,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:45:35,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:45:35,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:45:35,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:45:35,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:45:35,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:45:35,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:45:35,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:45:35,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:45:35,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:45:35,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:45:35,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:45:35,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:45:35,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:45:35,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:45:35,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:45:35,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:45:35,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:45:35,785 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:45:35,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:45:35,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:45:35,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:45:35,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:45:35,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:45:35,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:45:35,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:45:35,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:45:35,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:45:35,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:45:35,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:45:35,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:45:35,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:45:35,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:45:35,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:45:35,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:45:35,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:45:35,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:45:35,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:45:35,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:45:35,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:45:35,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:45:35,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:45:35,791 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_5e2041dc-e3ba-4096-b332-202c4f750c86/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2019-11-20 06:45:35,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:45:36,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:45:36,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:45:36,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:45:36,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:45:36,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-20 06:45:36,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/data/f4f9352f0/8fdcb36b0f5e47e2900a2fdf7c58e1da/FLAG5394eea02 [2019-11-20 06:45:36,596 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:45:36,597 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-20 06:45:36,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/data/f4f9352f0/8fdcb36b0f5e47e2900a2fdf7c58e1da/FLAG5394eea02 [2019-11-20 06:45:36,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/data/f4f9352f0/8fdcb36b0f5e47e2900a2fdf7c58e1da [2019-11-20 06:45:36,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:45:36,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:45:36,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:36,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:45:36,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:45:36,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:36" (1/1) ... [2019-11-20 06:45:36,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608095ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:36, skipping insertion in model container [2019-11-20 06:45:36,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:36" (1/1) ... [2019-11-20 06:45:36,931 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:45:36,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:45:37,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:37,410 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:45:37,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:37,513 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:45:37,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37 WrapperNode [2019-11-20 06:45:37,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:37,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:45:37,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:45:37,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:45:37,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:45:37,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:45:37,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:45:37,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:45:37,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... [2019-11-20 06:45:37,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:45:37,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:45:37,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:45:37,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:45:37,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:45:38,437 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:45:38,437 INFO L285 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-20 06:45:38,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:38 BoogieIcfgContainer [2019-11-20 06:45:38,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:45:38,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:45:38,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:45:38,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:45:38,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:36" (1/3) ... [2019-11-20 06:45:38,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18ad66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:38, skipping insertion in model container [2019-11-20 06:45:38,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:37" (2/3) ... [2019-11-20 06:45:38,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18ad66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:38, skipping insertion in model container [2019-11-20 06:45:38,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:38" (3/3) ... [2019-11-20 06:45:38,447 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-11-20 06:45:38,457 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:45:38,465 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 06:45:38,477 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 06:45:38,502 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:45:38,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:45:38,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:45:38,503 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:45:38,503 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:45:38,503 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:45:38,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:45:38,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:45:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-20 06:45:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:45:38,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:38,530 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:38,531 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:45:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:38,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-11-20 06:45:38,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:45:38,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771196350] [2019-11-20 06:45:38,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:45:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:38,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771196350] [2019-11-20 06:45:38,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:38,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 06:45:38,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523514434] [2019-11-20 06:45:38,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:45:38,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:45:38,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:45:38,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:45:38,853 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-20 06:45:38,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:38,884 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-20 06:45:38,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:45:38,887 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 06:45:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:38,902 INFO L225 Difference]: With dead ends: 112 [2019-11-20 06:45:38,902 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 06:45:38,906 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 [2019-11-20 06:45:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 06:45:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 06:45:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 06:45:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-20 06:45:38,945 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-20 06:45:38,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:38,946 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-20 06:45:38,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:45:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-20 06:45:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:45:38,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:38,948 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:38,948 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:45:38,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:38,948 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-11-20 06:45:38,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:45:38,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2817542] [2019-11-20 06:45:38,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:45:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:39,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2817542] [2019-11-20 06:45:39,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:39,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:45:39,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811926781] [2019-11-20 06:45:39,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:45:39,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:45:39,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:45:39,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:39,091 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-20 06:45:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:39,106 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-20 06:45:39,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:45:39,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 06:45:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:39,110 INFO L225 Difference]: With dead ends: 55 [2019-11-20 06:45:39,110 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 06:45:39,111 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 [2019-11-20 06:45:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 06:45:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 06:45:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 06:45:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-20 06:45:39,117 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-20 06:45:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:39,117 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-20 06:45:39,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:45:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-20 06:45:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:45:39,118 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:39,118 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] [2019-11-20 06:45:39,119 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:45:39,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:39,119 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-11-20 06:45:39,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:45:39,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175435820] [2019-11-20 06:45:39,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:45:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:39,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175435820] [2019-11-20 06:45:39,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:39,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 06:45:39,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652274246] [2019-11-20 06:45:39,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:45:39,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:45:39,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:45:39,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:39,241 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2019-11-20 06:45:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:39,256 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-11-20 06:45:39,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:45:39,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-20 06:45:39,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:39,259 INFO L225 Difference]: With dead ends: 75 [2019-11-20 06:45:39,259 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 06:45:39,260 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 [2019-11-20 06:45:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 06:45:39,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-11-20 06:45:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-20 06:45:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-20 06:45:39,269 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-20 06:45:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:39,270 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-20 06:45:39,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:45:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-20 06:45:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:45:39,271 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:39,271 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] [2019-11-20 06:45:39,272 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:45:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-11-20 06:45:39,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:45:39,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187568357] [2019-11-20 06:45:39,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:45:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:39,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187568357] [2019-11-20 06:45:39,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:39,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:45:39,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155753712] [2019-11-20 06:45:39,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:39,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:45:39,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:39,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:39,387 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-20 06:45:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:39,566 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2019-11-20 06:45:39,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:45:39,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 06:45:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:39,574 INFO L225 Difference]: With dead ends: 169 [2019-11-20 06:45:39,574 INFO L226 Difference]: Without dead ends: 127 [2019-11-20 06:45:39,575 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 06:45:39,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-20 06:45:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-20 06:45:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-20 06:45:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2019-11-20 06:45:39,609 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2019-11-20 06:45:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:39,610 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2019-11-20 06:45:39,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2019-11-20 06:45:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:45:39,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:39,613 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] [2019-11-20 06:45:39,613 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:45:39,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2019-11-20 06:45:39,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:45:39,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841854942] [2019-11-20 06:45:39,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:45:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:39,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841854942] [2019-11-20 06:45:39,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:39,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:45:39,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765139346] [2019-11-20 06:45:39,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:39,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:45:39,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:39,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:39,755 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2019-11-20 06:45:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:39,832 INFO L93 Difference]: Finished difference Result 204 states and 301 transitions. [2019-11-20 06:45:39,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:39,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 06:45:39,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:39,834 INFO L225 Difference]: With dead ends: 204 [2019-11-20 06:45:39,834 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:45:39,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:45:39,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:45:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:45:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:45:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:45:39,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-20 06:45:39,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:39,836 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:45:39,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:45:39,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:45:39,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 06:45:40,015 INFO L440 ceAbstractionStarter]: At program point L547-2(lines 547 553) the Hoare annotation is: false [2019-11-20 06:45:40,015 INFO L440 ceAbstractionStarter]: At program point L448(lines 443 451) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 06:45:40,015 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,016 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-20 06:45:40,016 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 06:45:40,016 INFO L440 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: false [2019-11-20 06:45:40,016 INFO L440 ceAbstractionStarter]: At program point L731(lines 726 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,016 INFO L440 ceAbstractionStarter]: At program point L731-1(lines 726 734) the Hoare annotation is: false [2019-11-20 06:45:40,016 INFO L440 ceAbstractionStarter]: At program point L731-2(lines 726 734) the Hoare annotation is: false [2019-11-20 06:45:40,017 INFO L440 ceAbstractionStarter]: At program point L599(lines 594 602) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,017 INFO L440 ceAbstractionStarter]: At program point L599-1(lines 594 602) the Hoare annotation is: false [2019-11-20 06:45:40,017 INFO L440 ceAbstractionStarter]: At program point L599-2(lines 594 602) the Hoare annotation is: false [2019-11-20 06:45:40,017 INFO L444 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-11-20 06:45:40,017 INFO L444 ceAbstractionStarter]: For program point L748-2(lines 748 754) no Hoare annotation was computed. [2019-11-20 06:45:40,017 INFO L444 ceAbstractionStarter]: For program point L748-4(lines 748 754) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L440 ceAbstractionStarter]: At program point L504-1(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-11-20 06:45:40,018 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-11-20 06:45:40,019 INFO L440 ceAbstractionStarter]: At program point L488-1(lines 488 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,019 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,019 INFO L440 ceAbstractionStarter]: At program point L440(lines 1 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 06:45:40,019 INFO L447 ceAbstractionStarter]: At program point L853(lines 834 856) the Hoare annotation is: true [2019-11-20 06:45:40,019 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,020 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,020 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 06:45:40,020 INFO L440 ceAbstractionStarter]: At program point L540(lines 539 558) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,020 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2019-11-20 06:45:40,020 INFO L440 ceAbstractionStarter]: At program point L540-2(lines 539 558) the Hoare annotation is: false [2019-11-20 06:45:40,021 INFO L440 ceAbstractionStarter]: At program point L540-3(lines 539 558) the Hoare annotation is: false [2019-11-20 06:45:40,021 INFO L440 ceAbstractionStarter]: At program point L821(lines 817 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 06:45:40,021 INFO L440 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: false [2019-11-20 06:45:40,021 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-11-20 06:45:40,023 INFO L444 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-11-20 06:45:40,023 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-20 06:45:40,024 INFO L440 ceAbstractionStarter]: At program point L643-1(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,024 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 06:45:40,024 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-11-20 06:45:40,024 INFO L440 ceAbstractionStarter]: At program point L478-1(lines 478 484) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point L777-1(lines 540 546) no Hoare annotation was computed. [2019-11-20 06:45:40,030 INFO L440 ceAbstractionStarter]: At program point L744-1(lines 1 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point L744-2(lines 744 757) no Hoare annotation was computed. [2019-11-20 06:45:40,030 INFO L440 ceAbstractionStarter]: At program point L744-3(lines 1 856) the Hoare annotation is: false [2019-11-20 06:45:40,030 INFO L444 ceAbstractionStarter]: For program point L744-4(lines 744 757) no Hoare annotation was computed. [2019-11-20 06:45:40,031 INFO L440 ceAbstractionStarter]: At program point L744-5(lines 1 856) the Hoare annotation is: false [2019-11-20 06:45:40,031 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-11-20 06:45:40,031 INFO L444 ceAbstractionStarter]: For program point L662-3(lines 662 666) no Hoare annotation was computed. [2019-11-20 06:45:40,031 INFO L444 ceAbstractionStarter]: For program point L662-6(lines 662 666) no Hoare annotation was computed. [2019-11-20 06:45:40,031 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-11-20 06:45:40,031 INFO L447 ceAbstractionStarter]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2019-11-20 06:45:40,031 INFO L440 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 06:45:40,031 INFO L440 ceAbstractionStarter]: At program point L547-1(lines 547 553) the Hoare annotation is: false [2019-11-20 06:45:40,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:45:40 BoogieIcfgContainer [2019-11-20 06:45:40,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:45:40,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:45:40,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:45:40,048 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:45:40,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:38" (3/4) ... [2019-11-20 06:45:40,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:45:40,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 06:45:40,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 06:45:40,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 06:45:40,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 06:45:40,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:45:40,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:45:40,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 06:45:40,141 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5e2041dc-e3ba-4096-b332-202c4f750c86/bin/uautomizer/witness.graphml [2019-11-20 06:45:40,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:45:40,143 INFO L168 Benchmark]: Toolchain (without parser) took 3228.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.5 MB in the beginning and 940.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 144.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,144 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:45:40,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,145 INFO L168 Benchmark]: Boogie Preprocessor took 59.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:45:40,145 INFO L168 Benchmark]: RCFGBuilder took 781.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,145 INFO L168 Benchmark]: TraceAbstraction took 1607.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,146 INFO L168 Benchmark]: Witness Printer took 93.90 ms. Allocated memory is still 1.2 GB. Free memory was 947.6 MB in the beginning and 940.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 781.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1607.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * Witness Printer took 93.90 ms. Allocated memory is still 1.2 GB. Free memory was 947.6 MB in the beginning and 940.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 268 SDtfs, 244 SDslu, 231 SDs, 0 SdLazy, 52 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...