./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.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_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:00:38,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:38,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:38,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:38,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:38,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:38,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:38,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:38,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:38,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:38,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:38,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:38,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:38,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:38,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:38,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:38,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:38,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:38,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:38,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:38,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:38,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:38,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:38,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:38,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:38,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:38,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:38,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:38,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:38,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:38,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:38,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:38,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:38,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:38,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:38,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:38,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:38,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:38,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:38,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:38,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:38,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:38,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:38,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:38,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:38,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:38,696 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:38,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:38,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:38,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:38,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:38,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:38,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:38,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:38,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:38,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:38,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:38,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:38,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:38,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:38,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:38,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:38,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:38,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:38,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:38,701 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_18b1da24-0ebc-41af-89f3-b258a624bdb0/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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2019-10-22 09:00:38,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:38,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:38,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:38,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:38,765 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:38,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2019-10-22 09:00:38,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/data/b24929be2/6c176b6b86624c76a058d0650bcb097d/FLAGafbe2e119 [2019-10-22 09:00:39,254 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:39,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2019-10-22 09:00:39,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/data/b24929be2/6c176b6b86624c76a058d0650bcb097d/FLAGafbe2e119 [2019-10-22 09:00:39,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/data/b24929be2/6c176b6b86624c76a058d0650bcb097d [2019-10-22 09:00:39,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:39,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:39,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:39,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:39,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:39,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9d236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,299 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:39,339 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:39,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:39,704 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:39,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:39,808 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:39,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39 WrapperNode [2019-10-22 09:00:39,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:39,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:39,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:39,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:39,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:39,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:39,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:39,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:39,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... [2019-10-22 09:00:39,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:39,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:39,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:39,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:39,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/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 09:00:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:40,778 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:40,778 INFO L284 CfgBuilder]: Removed 170 assume(true) statements. [2019-10-22 09:00:40,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:40 BoogieIcfgContainer [2019-10-22 09:00:40,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:40,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:40,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:40,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:40,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:39" (1/3) ... [2019-10-22 09:00:40,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb36b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:40, skipping insertion in model container [2019-10-22 09:00:40,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:39" (2/3) ... [2019-10-22 09:00:40,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb36b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:40, skipping insertion in model container [2019-10-22 09:00:40,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:40" (3/3) ... [2019-10-22 09:00:40,792 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-10-22 09:00:40,803 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:40,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:40,825 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:40,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:40,854 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:40,854 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:40,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:40,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:40,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:40,855 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:40,855 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-10-22 09:00:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:40,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:40,885 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:40,887 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2019-10-22 09:00:40,900 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:40,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765116977] [2019-10-22 09:00:40,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,082 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 09:00:41,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765116977] [2019-10-22 09:00:41,083 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:41,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786075410] [2019-10-22 09:00:41,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:41,088 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:41,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:41,104 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-10-22 09:00:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,131 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2019-10-22 09:00:41,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:41,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 09:00:41,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,143 INFO L225 Difference]: With dead ends: 233 [2019-10-22 09:00:41,143 INFO L226 Difference]: Without dead ends: 116 [2019-10-22 09:00:41,146 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 09:00:41,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-22 09:00:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-22 09:00:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 09:00:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2019-10-22 09:00:41,184 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2019-10-22 09:00:41,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,184 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2019-10-22 09:00:41,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2019-10-22 09:00:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:00:41,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,186 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] [2019-10-22 09:00:41,186 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:41,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,186 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2019-10-22 09:00:41,186 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667475994] [2019-10-22 09:00:41,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,303 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 09:00:41,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667475994] [2019-10-22 09:00:41,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:41,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916602048] [2019-10-22 09:00:41,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:41,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:41,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:41,306 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2019-10-22 09:00:41,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,329 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2019-10-22 09:00:41,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:41,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 09:00:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,331 INFO L225 Difference]: With dead ends: 116 [2019-10-22 09:00:41,331 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 09:00:41,332 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 09:00:41,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 09:00:41,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 09:00:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 09:00:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-10-22 09:00:41,341 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2019-10-22 09:00:41,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,341 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-10-22 09:00:41,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-10-22 09:00:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:41,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,342 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:41,343 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2019-10-22 09:00:41,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27332262] [2019-10-22 09:00:41,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,427 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 09:00:41,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27332262] [2019-10-22 09:00:41,427 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,427 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:41,427 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225274334] [2019-10-22 09:00:41,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:41,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:41,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:41,429 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-10-22 09:00:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,438 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-10-22 09:00:41,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:41,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:00:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,442 INFO L225 Difference]: With dead ends: 91 [2019-10-22 09:00:41,442 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 09:00:41,443 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 09:00:41,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 09:00:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 09:00:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2019-10-22 09:00:41,454 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2019-10-22 09:00:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,455 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2019-10-22 09:00:41,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2019-10-22 09:00:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 09:00:41,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,456 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:41,456 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,457 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2019-10-22 09:00:41,457 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303255822] [2019-10-22 09:00:41,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,530 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 09:00:41,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303255822] [2019-10-22 09:00:41,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:41,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42259525] [2019-10-22 09:00:41,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:41,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:41,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:41,532 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2019-10-22 09:00:41,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,583 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2019-10-22 09:00:41,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:41,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 09:00:41,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,584 INFO L225 Difference]: With dead ends: 115 [2019-10-22 09:00:41,584 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 09:00:41,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:41,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 09:00:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2019-10-22 09:00:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 09:00:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-10-22 09:00:41,592 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2019-10-22 09:00:41,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,593 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-10-22 09:00:41,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-10-22 09:00:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:41,598 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,598 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:41,599 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:41,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2019-10-22 09:00:41,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042291767] [2019-10-22 09:00:41,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,680 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 09:00:41,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042291767] [2019-10-22 09:00:41,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:41,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544056789] [2019-10-22 09:00:41,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:41,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:41,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:41,682 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2019-10-22 09:00:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,794 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2019-10-22 09:00:41,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:41,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:00:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,796 INFO L225 Difference]: With dead ends: 190 [2019-10-22 09:00:41,797 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 09:00:41,797 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 09:00:41,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2019-10-22 09:00:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:00:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-10-22 09:00:41,811 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2019-10-22 09:00:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,812 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-10-22 09:00:41,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-10-22 09:00:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:41,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,814 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:41,814 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2019-10-22 09:00:41,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461029368] [2019-10-22 09:00:41,815 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,818 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,921 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 09:00:41,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461029368] [2019-10-22 09:00:41,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:41,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000065864] [2019-10-22 09:00:41,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:41,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:41,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:41,923 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-10-22 09:00:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,052 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2019-10-22 09:00:42,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:42,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:00:42,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,054 INFO L225 Difference]: With dead ends: 260 [2019-10-22 09:00:42,054 INFO L226 Difference]: Without dead ends: 190 [2019-10-22 09:00:42,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:42,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-22 09:00:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-10-22 09:00:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 09:00:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2019-10-22 09:00:42,065 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2019-10-22 09:00:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,065 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2019-10-22 09:00:42,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2019-10-22 09:00:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:42,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,066 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,067 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2019-10-22 09:00:42,067 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220962823] [2019-10-22 09:00:42,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,112 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 09:00:42,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220962823] [2019-10-22 09:00:42,112 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:42,112 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:42,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104940379] [2019-10-22 09:00:42,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:42,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:42,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:42,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:42,114 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2019-10-22 09:00:42,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,156 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2019-10-22 09:00:42,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:42,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 09:00:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,158 INFO L225 Difference]: With dead ends: 177 [2019-10-22 09:00:42,158 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 09:00:42,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 09:00:42,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2019-10-22 09:00:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-22 09:00:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2019-10-22 09:00:42,171 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2019-10-22 09:00:42,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,175 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2019-10-22 09:00:42,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2019-10-22 09:00:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:42,176 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,176 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,176 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2019-10-22 09:00:42,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334460174] [2019-10-22 09:00:42,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,229 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 09:00:42,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334460174] [2019-10-22 09:00:42,230 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:42,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:42,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949005591] [2019-10-22 09:00:42,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:42,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:42,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:42,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:42,231 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2019-10-22 09:00:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,263 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2019-10-22 09:00:42,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:42,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 09:00:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,265 INFO L225 Difference]: With dead ends: 181 [2019-10-22 09:00:42,265 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 09:00:42,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 09:00:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 09:00:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-22 09:00:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 09:00:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2019-10-22 09:00:42,285 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2019-10-22 09:00:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,285 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2019-10-22 09:00:42,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2019-10-22 09:00:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 09:00:42,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,286 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,287 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:42,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2019-10-22 09:00:42,289 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557815876] [2019-10-22 09:00:42,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,395 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 09:00:42,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557815876] [2019-10-22 09:00:42,395 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:42,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:42,396 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581964152] [2019-10-22 09:00:42,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:42,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:42,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:42,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:42,397 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2019-10-22 09:00:42,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,695 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2019-10-22 09:00:42,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:42,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 09:00:42,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,697 INFO L225 Difference]: With dead ends: 405 [2019-10-22 09:00:42,697 INFO L226 Difference]: Without dead ends: 332 [2019-10-22 09:00:42,697 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-10-22 09:00:42,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2019-10-22 09:00:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-22 09:00:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2019-10-22 09:00:42,715 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2019-10-22 09:00:42,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,715 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2019-10-22 09:00:42,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2019-10-22 09:00:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:00:42,716 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,717 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,717 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,717 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2019-10-22 09:00:42,717 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965891135] [2019-10-22 09:00:42,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:42,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965891135] [2019-10-22 09:00:42,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106874880] [2019-10-22 09:00:42,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:00:42,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:43,010 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:43,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 09:00:43,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33791631] [2019-10-22 09:00:43,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:43,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:43,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:43,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:43,013 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2019-10-22 09:00:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:43,263 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2019-10-22 09:00:43,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:43,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-22 09:00:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:43,264 INFO L225 Difference]: With dead ends: 308 [2019-10-22 09:00:43,264 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:43,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:43,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:43,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 09:00:43,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:43,266 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:43,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:43,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:43,469 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:43,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:44,108 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-10-22 09:00:44,335 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-10-22 09:00:44,557 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2019-10-22 09:00:44,739 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-10-22 09:00:45,089 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-10-22 09:00:45,091 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,091 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-10-22 09:00:45,091 INFO L439 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-10-22 09:00:45,091 INFO L439 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 09:00:45,092 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-10-22 09:00:45,092 INFO L439 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-10-22 09:00:45,092 INFO L439 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-10-22 09:00:45,092 INFO L439 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-10-22 09:00:45,092 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-22 09:00:45,092 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2019-10-22 09:00:45,092 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 527 538) no Hoare annotation was computed. [2019-10-22 09:00:45,092 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-10-22 09:00:45,092 INFO L439 ceAbstractionStarter]: At program point L170-1(lines 1 951) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2019-10-22 09:00:45,092 INFO L443 ceAbstractionStarter]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L439 ceAbstractionStarter]: At program point L170-3(lines 1 951) the Hoare annotation is: false [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L439 ceAbstractionStarter]: At program point L170-5(lines 1 951) the Hoare annotation is: false [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L439 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 184) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L174-4(lines 174 184) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-22 09:00:45,093 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-22 09:00:45,094 INFO L439 ceAbstractionStarter]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2019-10-22 09:00:45,095 INFO L439 ceAbstractionStarter]: At program point L574(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-5(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-6(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-8(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-9(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,095 INFO L443 ceAbstractionStarter]: For program point L476-11(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L476-12(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L476-14(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L476-15(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L476-17(lines 476 480) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L439 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: false [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2019-10-22 09:00:45,096 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L446 ceAbstractionStarter]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2019-10-22 09:00:45,097 INFO L439 ceAbstractionStarter]: At program point L149(lines 144 151) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348-3(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348-4(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L443 ceAbstractionStarter]: For program point L348-5(lines 348 365) no Hoare annotation was computed. [2019-10-22 09:00:45,097 INFO L439 ceAbstractionStarter]: At program point L316(lines 312 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L316-1(lines 312 334) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L316-2(lines 312 334) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482(lines 467 485) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482-1(lines 467 485) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482-2(lines 467 485) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482-3(lines 467 485) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482-4(lines 467 485) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:45,098 INFO L439 ceAbstractionStarter]: At program point L482-5(lines 467 485) the Hoare annotation is: false [2019-10-22 09:00:45,098 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:00:45,099 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:00:45,099 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:00:45,099 INFO L439 ceAbstractionStarter]: At program point L582(lines 577 585) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:45,099 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-22 09:00:45,099 INFO L439 ceAbstractionStarter]: At program point L517-1(lines 517 523) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2019-10-22 09:00:45,100 INFO L439 ceAbstractionStarter]: At program point L418(lines 411 421) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:45,100 INFO L439 ceAbstractionStarter]: At program point L418-1(lines 411 421) the Hoare annotation is: false [2019-10-22 09:00:45,100 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,100 INFO L439 ceAbstractionStarter]: At program point L418-2(lines 411 421) the Hoare annotation is: false [2019-10-22 09:00:45,100 INFO L443 ceAbstractionStarter]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,100 INFO L443 ceAbstractionStarter]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,100 INFO L439 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:45,101 INFO L443 ceAbstractionStarter]: For program point L352-3(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,101 INFO L443 ceAbstractionStarter]: For program point L352-4(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,101 INFO L443 ceAbstractionStarter]: For program point L352-5(lines 352 360) no Hoare annotation was computed. [2019-10-22 09:00:45,101 INFO L439 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-10-22 09:00:45,101 INFO L439 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-10-22 09:00:45,101 INFO L439 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-10-22 09:00:45,101 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:45,101 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-10-22 09:00:45,102 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-10-22 09:00:45,102 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:45,102 INFO L439 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-10-22 09:00:45,102 INFO L439 ceAbstractionStarter]: At program point L323-1(lines 323 329) the Hoare annotation is: false [2019-10-22 09:00:45,102 INFO L446 ceAbstractionStarter]: At program point L290(lines 271 293) the Hoare annotation is: true [2019-10-22 09:00:45,102 INFO L439 ceAbstractionStarter]: At program point L323-2(lines 323 329) the Hoare annotation is: false [2019-10-22 09:00:45,102 INFO L439 ceAbstractionStarter]: At program point L159(lines 316 322) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse0 .cse2)))) [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L159-1(lines 316 322) the Hoare annotation is: false [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L159-2(lines 316 322) the Hoare annotation is: false [2019-10-22 09:00:45,103 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L427(lines 422 430) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 (and .cse1 .cse0 .cse2)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2) .cse3 .cse4))) [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L427-1(lines 422 430) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L427-2(lines 422 430) the Hoare annotation is: false [2019-10-22 09:00:45,103 INFO L439 ceAbstractionStarter]: At program point L427-3(lines 422 430) the Hoare annotation is: false [2019-10-22 09:00:45,104 INFO L439 ceAbstractionStarter]: At program point L427-4(lines 422 430) the Hoare annotation is: false [2019-10-22 09:00:45,104 INFO L439 ceAbstractionStarter]: At program point L427-5(lines 422 430) the Hoare annotation is: false [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:00:45,104 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,105 INFO L443 ceAbstractionStarter]: For program point L299-2(line 299) no Hoare annotation was computed. [2019-10-22 09:00:45,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:45 BoogieIcfgContainer [2019-10-22 09:00:45,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:45,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:45,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:45,125 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:45,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:40" (3/4) ... [2019-10-22 09:00:45,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:45,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:45,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:45,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:45,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:45,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:45,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:45,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-10-22 09:00:45,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 09:00:45,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 09:00:45,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-10-22 09:00:45,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 09:00:45,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 09:00:45,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 09:00:45,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-10-22 09:00:45,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-10-22 09:00:45,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-10-22 09:00:45,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:45,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 09:00:45,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:45,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18b1da24-0ebc-41af-89f3-b258a624bdb0/bin/uautomizer/witness.graphml [2019-10-22 09:00:45,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:45,254 INFO L168 Benchmark]: Toolchain (without parser) took 5970.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 937.8 MB in the beginning and 824.3 MB in the end (delta: 113.5 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:45,254 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:45,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:45,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.35 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. [2019-10-22 09:00:45,255 INFO L168 Benchmark]: Boogie Preprocessor took 60.96 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. [2019-10-22 09:00:45,255 INFO L168 Benchmark]: RCFGBuilder took 827.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:45,256 INFO L168 Benchmark]: TraceAbstraction took 4342.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 835.5 MB in the end (delta: 193.9 MB). Peak memory consumption was 279.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:45,256 INFO L168 Benchmark]: Witness Printer took 127.72 ms. Allocated memory is still 1.2 GB. Free memory was 835.5 MB in the beginning and 824.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:45,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.35 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 60.96 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 827.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4342.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 835.5 MB in the end (delta: 193.9 MB). Peak memory consumption was 279.4 MB. Max. memory is 11.5 GB. * Witness Printer took 127.72 ms. Allocated memory is still 1.2 GB. Free memory was 835.5 MB in the beginning and 824.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 993 SDtfs, 986 SDslu, 1328 SDs, 0 SdLazy, 238 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 120 NumberOfFragments, 623 HoareAnnotationTreeSize, 49 FomulaSimplifications, 20909 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8857 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27739 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...