./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/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 84bee68029cd4e9781f81f2ec079192bad30236f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:53,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:53,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:53,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:53,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:53,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:53,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:53,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:53,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:53,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:53,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:53,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:53,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:53,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:53,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:53,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:53,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:53,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:53,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:53,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:53,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:53,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:53,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:53,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:53,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:53,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:53,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:53,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:53,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:53,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:53,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:53,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:53,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:53,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:53,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:53,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:53,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:53,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:53,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:53,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:53,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:53,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:53,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:53,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:53,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:53,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:53,783 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:53,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:53,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:53,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:53,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:53,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:53,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:53,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:53,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:53,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:53,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:53,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:53,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:53,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:53,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:53,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:53,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:53,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:53,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:53,787 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/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-10-22 08:56:53,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:53,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:53,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:53,841 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:53,841 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:53,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-10-22 08:56:53,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/data/d69255fd5/f2f0fb21d6b64beba56645d5430fbf9a/FLAG4dfa68466 [2019-10-22 08:56:54,295 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:54,296 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-10-22 08:56:54,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/data/d69255fd5/f2f0fb21d6b64beba56645d5430fbf9a/FLAG4dfa68466 [2019-10-22 08:56:54,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/data/d69255fd5/f2f0fb21d6b64beba56645d5430fbf9a [2019-10-22 08:56:54,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:54,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:54,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:54,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:54,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:54,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f0f595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54, skipping insertion in model container [2019-10-22 08:56:54,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:54,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:54,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:54,754 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:54,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:54,853 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:54,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54 WrapperNode [2019-10-22 08:56:54,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:54,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:54,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:54,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:54,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:54,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:54,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:54,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:54,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... [2019-10-22 08:56:54,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:54,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:54,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:54,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:54,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/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 [2019-10-22 08:56:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:55,737 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:55,737 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 08:56:55,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55 BoogieIcfgContainer [2019-10-22 08:56:55,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:55,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:55,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:55,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:55,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:54" (1/3) ... [2019-10-22 08:56:55,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347f3626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:54" (2/3) ... [2019-10-22 08:56:55,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347f3626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/3) ... [2019-10-22 08:56:55,748 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2019-10-22 08:56:55,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:55,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:55,774 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:55,796 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:55,796 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:55,796 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:55,796 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:55,797 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:55,797 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:55,797 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:55,797 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-10-22 08:56:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:56:55,816 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:55,817 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:55,818 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:55,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2019-10-22 08:56:55,832 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:55,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15411578] [2019-10-22 08:56:55,832 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:55,833 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:55,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15411578] [2019-10-22 08:56:56,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:56,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215518286] [2019-10-22 08:56:56,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:56,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:56,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:56,038 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-10-22 08:56:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,062 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-10-22 08:56:56,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:56,063 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:56:56,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,074 INFO L225 Difference]: With dead ends: 148 [2019-10-22 08:56:56,074 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 08:56:56,077 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 08:56:56,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 08:56:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 08:56:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-10-22 08:56:56,116 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-10-22 08:56:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,117 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-10-22 08:56:56,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-10-22 08:56:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:56:56,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,118 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:56,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2019-10-22 08:56:56,121 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40350827] [2019-10-22 08:56:56,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40350827] [2019-10-22 08:56:56,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:56,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92475616] [2019-10-22 08:56:56,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:56,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:56,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:56,213 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-10-22 08:56:56,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,222 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-10-22 08:56:56,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:56,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:56:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,224 INFO L225 Difference]: With dead ends: 73 [2019-10-22 08:56:56,224 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 08:56:56,225 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 08:56:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 08:56:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 08:56:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 08:56:56,229 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-10-22 08:56:56,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,229 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 08:56:56,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 08:56:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:56:56,230 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,230 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,231 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:56,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2019-10-22 08:56:56,231 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041550868] [2019-10-22 08:56:56,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041550868] [2019-10-22 08:56:56,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:56,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605990557] [2019-10-22 08:56:56,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:56,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:56,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:56,395 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2019-10-22 08:56:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,554 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-10-22 08:56:56,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:56,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 08:56:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,557 INFO L225 Difference]: With dead ends: 116 [2019-10-22 08:56:56,557 INFO L226 Difference]: Without dead ends: 87 [2019-10-22 08:56:56,558 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:56,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-22 08:56:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-10-22 08:56:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-22 08:56:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-10-22 08:56:56,577 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-10-22 08:56:56,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,577 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-10-22 08:56:56,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-10-22 08:56:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:56:56,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,578 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,578 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:56,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2019-10-22 08:56:56,579 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535149276] [2019-10-22 08:56:56,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535149276] [2019-10-22 08:56:56,689 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,689 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:56,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226736567] [2019-10-22 08:56:56,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:56,690 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:56,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:56,691 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-10-22 08:56:56,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,775 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2019-10-22 08:56:56,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:56,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 08:56:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,777 INFO L225 Difference]: With dead ends: 199 [2019-10-22 08:56:56,777 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 08:56:56,778 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 08:56:56,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2019-10-22 08:56:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-22 08:56:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2019-10-22 08:56:56,790 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2019-10-22 08:56:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,790 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2019-10-22 08:56:56,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2019-10-22 08:56:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:56,791 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,791 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,791 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:56,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,792 INFO L82 PathProgramCache]: Analyzing trace with hash -597226253, now seen corresponding path program 1 times [2019-10-22 08:56:56,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892255561] [2019-10-22 08:56:56,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892255561] [2019-10-22 08:56:56,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:56,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210490788] [2019-10-22 08:56:56,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:56,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:56,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:56,885 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2019-10-22 08:56:56,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,954 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2019-10-22 08:56:56,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:56,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:56:56,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,955 INFO L225 Difference]: With dead ends: 236 [2019-10-22 08:56:56,956 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:56,956 INFO L600 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 [2019-10-22 08:56:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:56,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 08:56:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,958 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:56,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:56,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:56,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:57,159 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 08:56:57,159 INFO L439 ceAbstractionStarter]: At program point L333(lines 284 334) the Hoare annotation is: false [2019-10-22 08:56:57,159 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 400) no Hoare annotation was computed. [2019-10-22 08:56:57,160 INFO L443 ceAbstractionStarter]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2019-10-22 08:56:57,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:57,160 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2019-10-22 08:56:57,160 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 08:56:57,160 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:57,160 INFO L439 ceAbstractionStarter]: At program point L351(lines 350 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,160 INFO L443 ceAbstractionStarter]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L269(lines 264 272) the Hoare annotation is: false [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2019-10-22 08:56:57,161 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2019-10-22 08:56:57,161 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-22 08:56:57,161 INFO L439 ceAbstractionStarter]: At program point L517-1(lines 517 523) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,162 INFO L443 ceAbstractionStarter]: For program point L286(lines 285 332) no Hoare annotation was computed. [2019-10-22 08:56:57,162 INFO L439 ceAbstractionStarter]: At program point L551(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:57,162 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2019-10-22 08:56:57,162 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 08:56:57,162 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 351 357) no Hoare annotation was computed. [2019-10-22 08:56:57,162 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 08:56:57,164 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 395) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L439 ceAbstractionStarter]: At program point L321-1(lines 351 357) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,165 INFO L443 ceAbstractionStarter]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,166 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-10-22 08:56:57,166 INFO L443 ceAbstractionStarter]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,166 INFO L439 ceAbstractionStarter]: At program point L305-1(lines 305 311) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,166 INFO L443 ceAbstractionStarter]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2019-10-22 08:56:57,166 INFO L439 ceAbstractionStarter]: At program point L454(lines 449 457) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,166 INFO L439 ceAbstractionStarter]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2019-10-22 08:56:57,166 INFO L439 ceAbstractionStarter]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2019-10-22 08:56:57,166 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:57,167 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 195) no Hoare annotation was computed. [2019-10-22 08:56:57,167 INFO L443 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2019-10-22 08:56:57,167 INFO L443 ceAbstractionStarter]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2019-10-22 08:56:57,167 INFO L439 ceAbstractionStarter]: At program point L358(lines 358 364) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,167 INFO L439 ceAbstractionStarter]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2019-10-22 08:56:57,167 INFO L439 ceAbstractionStarter]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2019-10-22 08:56:57,167 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:57,168 INFO L439 ceAbstractionStarter]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,168 INFO L439 ceAbstractionStarter]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2019-10-22 08:56:57,168 INFO L439 ceAbstractionStarter]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2019-10-22 08:56:57,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,168 INFO L439 ceAbstractionStarter]: At program point L509(lines 494 512) the Hoare annotation is: false [2019-10-22 08:56:57,168 INFO L439 ceAbstractionStarter]: At program point L509-1(lines 494 512) the Hoare annotation is: false [2019-10-22 08:56:57,169 INFO L439 ceAbstractionStarter]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2019-10-22 08:56:57,169 INFO L439 ceAbstractionStarter]: At program point L559(lines 554 562) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:57,169 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-22 08:56:57,169 INFO L439 ceAbstractionStarter]: At program point L295-1(lines 295 301) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,169 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-10-22 08:56:57,169 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 08:56:57,169 INFO L439 ceAbstractionStarter]: At program point L163-1(lines 1 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:57,169 INFO L443 ceAbstractionStarter]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2019-10-22 08:56:57,170 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 08:56:57,170 INFO L439 ceAbstractionStarter]: At program point L163-3(lines 1 928) the Hoare annotation is: false [2019-10-22 08:56:57,170 INFO L443 ceAbstractionStarter]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2019-10-22 08:56:57,170 INFO L439 ceAbstractionStarter]: At program point L163-5(lines 1 928) the Hoare annotation is: false [2019-10-22 08:56:57,170 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:57,170 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,173 INFO L443 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,173 INFO L443 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,173 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 219) no Hoare annotation was computed. [2019-10-22 08:56:57,173 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 328) no Hoare annotation was computed. [2019-10-22 08:56:57,174 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 08:56:57,174 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-10-22 08:56:57,174 INFO L443 ceAbstractionStarter]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2019-10-22 08:56:57,174 INFO L443 ceAbstractionStarter]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2019-10-22 08:56:57,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:57 BoogieIcfgContainer [2019-10-22 08:56:57,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:57,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:57,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:57,192 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:57,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/4) ... [2019-10-22 08:56:57,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:57,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:56:57,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:56:57,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:56:57,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:57,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:57,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:57,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:56:57,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:56:57,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:56:57,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9976ef39-b460-4683-8b8f-2fe2a22396f0/bin/uautomizer/witness.graphml [2019-10-22 08:56:57,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:57,308 INFO L168 Benchmark]: Toolchain (without parser) took 2985.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 941.8 MB in the beginning and 926.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,308 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:57,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,310 INFO L168 Benchmark]: Boogie Preprocessor took 62.42 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,310 INFO L168 Benchmark]: RCFGBuilder took 748.01 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,311 INFO L168 Benchmark]: TraceAbstraction took 1451.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.8 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,311 INFO L168 Benchmark]: Witness Printer took 114.27 ms. Allocated memory is still 1.2 GB. Free memory was 934.8 MB in the beginning and 926.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.42 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 748.01 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1451.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.8 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. * Witness Printer took 114.27 ms. Allocated memory is still 1.2 GB. Free memory was 934.8 MB in the beginning and 926.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: 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: 517]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 327 SDtfs, 441 SDslu, 478 SDs, 0 SdLazy, 79 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 88 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 125 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2163 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...