./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:32,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:32,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:32,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:32,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:32,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:32,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:32,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:32,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:32,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:32,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:32,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:32,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:32,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:32,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:32,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:32,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:32,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:32,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:32,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:32,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:32,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:32,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:32,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:32,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:32,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:32,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:32,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:32,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:32,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:32,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:32,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:32,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:32,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:32,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:32,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:32,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:32,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:32,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:32,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:32,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:32,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:32,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:32,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:32,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:32,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:32,791 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:32,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:32,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:32,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:32,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:32,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:32,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:32,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:32,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:32,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:32,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:32,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:32,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:32,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:32,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:32,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:32,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:32,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:32,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:32,796 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_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-10-22 08:55:32,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:32,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:32,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:32,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:32,838 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:32,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-10-22 08:55:32,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/data/d89d16272/6d2597bee99e43029af585f9f9fda495/FLAG9a2e1c053 [2019-10-22 08:55:33,269 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:33,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-10-22 08:55:33,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/data/d89d16272/6d2597bee99e43029af585f9f9fda495/FLAG9a2e1c053 [2019-10-22 08:55:33,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/data/d89d16272/6d2597bee99e43029af585f9f9fda495 [2019-10-22 08:55:33,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:33,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:33,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:33,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:33,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:33,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:33" (1/1) ... [2019-10-22 08:55:33,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be8446e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:33, skipping insertion in model container [2019-10-22 08:55:33,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:33" (1/1) ... [2019-10-22 08:55:33,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:33,689 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:33,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:34,003 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:34,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:34,088 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:34,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34 WrapperNode [2019-10-22 08:55:34,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:34,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:34,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:34,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:34,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:34,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:34,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:34,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:34,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:34,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:34,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:34,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:34,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:34,848 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:34,849 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 08:55:34,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:34 BoogieIcfgContainer [2019-10-22 08:55:34,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:34,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:34,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:34,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:34,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:33" (1/3) ... [2019-10-22 08:55:34,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516666cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:34, skipping insertion in model container [2019-10-22 08:55:34,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (2/3) ... [2019-10-22 08:55:34,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516666cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:34, skipping insertion in model container [2019-10-22 08:55:34,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:34" (3/3) ... [2019-10-22 08:55:34,858 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2019-10-22 08:55:34,867 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:34,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:55:34,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:55:34,912 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:34,913 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:34,913 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:34,913 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:34,913 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:34,913 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:34,913 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:34,914 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-22 08:55:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:55:34,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:34,933 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:34,935 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:34,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2019-10-22 08:55:34,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:34,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266967838] [2019-10-22 08:55:34,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:34,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:34,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:35,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266967838] [2019-10-22 08:55:35,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:35,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854083871] [2019-10-22 08:55:35,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:55:35,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:55:35,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:35,172 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-10-22 08:55:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,202 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-10-22 08:55:35,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:55:35,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:55:35,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,216 INFO L225 Difference]: With dead ends: 119 [2019-10-22 08:55:35,216 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 08:55:35,219 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 08:55:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 08:55:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:55:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-10-22 08:55:35,250 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-10-22 08:55:35,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,251 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-10-22 08:55:35,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:55:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 08:55:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:35,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,252 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 08:55:35,252 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,253 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2019-10-22 08:55:35,253 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461231905] [2019-10-22 08:55:35,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:35,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461231905] [2019-10-22 08:55:35,366 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,366 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:35,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782350236] [2019-10-22 08:55:35,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:35,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:35,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:35,368 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-10-22 08:55:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,377 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-10-22 08:55:35,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:35,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:55:35,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,378 INFO L225 Difference]: With dead ends: 59 [2019-10-22 08:55:35,378 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:55:35,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:55:35,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 08:55:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:55:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 08:55:35,384 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-10-22 08:55:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,384 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 08:55:35,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 08:55:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:55:35,385 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,385 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,386 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2019-10-22 08:55:35,386 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727438058] [2019-10-22 08:55:35,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:35,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727438058] [2019-10-22 08:55:35,505 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:35,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992116933] [2019-10-22 08:55:35,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:55:35,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:35,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:35,507 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2019-10-22 08:55:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,621 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-10-22 08:55:35,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:55:35,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 08:55:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,623 INFO L225 Difference]: With dead ends: 103 [2019-10-22 08:55:35,623 INFO L226 Difference]: Without dead ends: 79 [2019-10-22 08:55:35,623 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:55:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-22 08:55:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2019-10-22 08:55:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 08:55:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-10-22 08:55:35,634 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2019-10-22 08:55:35,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,634 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-10-22 08:55:35,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:55:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-10-22 08:55:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:55:35,635 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,635 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,635 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2019-10-22 08:55:35,636 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,636 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38255953] [2019-10-22 08:55:35,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:35,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38255953] [2019-10-22 08:55:35,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:35,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185051347] [2019-10-22 08:55:35,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:35,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:35,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:35,741 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2019-10-22 08:55:35,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,840 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2019-10-22 08:55:35,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:35,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:55:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,847 INFO L225 Difference]: With dead ends: 219 [2019-10-22 08:55:35,848 INFO L226 Difference]: Without dead ends: 175 [2019-10-22 08:55:35,848 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 08:55:35,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-22 08:55:35,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2019-10-22 08:55:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 08:55:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2019-10-22 08:55:35,875 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2019-10-22 08:55:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,875 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2019-10-22 08:55:35,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-10-22 08:55:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:55:35,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,876 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,876 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:35,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2019-10-22 08:55:35,877 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,877 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833949575] [2019-10-22 08:55:35,877 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,877 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:35,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833949575] [2019-10-22 08:55:35,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:35,945 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737238765] [2019-10-22 08:55:35,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:35,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:35,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:35,946 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2019-10-22 08:55:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,001 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2019-10-22 08:55:36,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:36,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:55:36,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,002 INFO L225 Difference]: With dead ends: 271 [2019-10-22 08:55:36,002 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:36,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:36,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:36,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:55:36,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,004 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:36,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:36,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:36,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point L186(lines 185 232) no Hoare annotation was computed. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 857) no Hoare annotation was computed. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point L847-2(lines 847 857) no Hoare annotation was computed. [2019-10-22 08:55:36,273 INFO L443 ceAbstractionStarter]: For program point L847-4(lines 847 857) no Hoare annotation was computed. [2019-10-22 08:55:36,274 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,274 INFO L439 ceAbstractionStarter]: At program point L286(lines 281 289) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,274 INFO L439 ceAbstractionStarter]: At program point L286-1(lines 281 289) the Hoare annotation is: false [2019-10-22 08:55:36,274 INFO L439 ceAbstractionStarter]: At program point L286-2(lines 281 289) the Hoare annotation is: false [2019-10-22 08:55:36,274 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 191) no Hoare annotation was computed. [2019-10-22 08:55:36,275 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-10-22 08:55:36,275 INFO L443 ceAbstractionStarter]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2019-10-22 08:55:36,275 INFO L443 ceAbstractionStarter]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2019-10-22 08:55:36,275 INFO L439 ceAbstractionStarter]: At program point L832(lines 827 834) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:36,275 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-22 08:55:36,277 INFO L439 ceAbstractionStarter]: At program point L221-1(lines 57 63) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,277 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-10-22 08:55:36,277 INFO L439 ceAbstractionStarter]: At program point L205-1(lines 205 211) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,277 INFO L439 ceAbstractionStarter]: At program point L420(lines 416 422) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:36,277 INFO L439 ceAbstractionStarter]: At program point L57(lines 56 75) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,277 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-10-22 08:55:36,278 INFO L439 ceAbstractionStarter]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-10-22 08:55:36,278 INFO L439 ceAbstractionStarter]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-10-22 08:55:36,278 INFO L446 ceAbstractionStarter]: At program point L454(lines 435 457) the Hoare annotation is: true [2019-10-22 08:55:36,279 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:55:36,279 INFO L439 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: false [2019-10-22 08:55:36,279 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-22 08:55:36,279 INFO L439 ceAbstractionStarter]: At program point L356(lines 351 359) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:36,279 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-22 08:55:36,279 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,279 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L869-2(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L439 ceAbstractionStarter]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L376-1(lines 57 63) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-22 08:55:36,280 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 201) no Hoare annotation was computed. [2019-10-22 08:55:36,281 INFO L439 ceAbstractionStarter]: At program point L195-1(lines 195 201) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,281 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,281 INFO L439 ceAbstractionStarter]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-10-22 08:55:36,281 INFO L439 ceAbstractionStarter]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-10-22 08:55:36,281 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-10-22 08:55:36,281 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:55:36,281 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 452) no Hoare annotation was computed. [2019-10-22 08:55:36,281 INFO L446 ceAbstractionStarter]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2019-10-22 08:55:36,282 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 228) no Hoare annotation was computed. [2019-10-22 08:55:36,282 INFO L439 ceAbstractionStarter]: At program point L116(lines 111 119) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,282 INFO L439 ceAbstractionStarter]: At program point L116-1(lines 111 119) the Hoare annotation is: false [2019-10-22 08:55:36,282 INFO L439 ceAbstractionStarter]: At program point L116-2(lines 111 119) the Hoare annotation is: false [2019-10-22 08:55:36,282 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 860) no Hoare annotation was computed. [2019-10-22 08:55:36,282 INFO L439 ceAbstractionStarter]: At program point L843-1(lines 1 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:36,282 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2019-10-22 08:55:36,283 INFO L439 ceAbstractionStarter]: At program point L843-3(lines 1 872) the Hoare annotation is: false [2019-10-22 08:55:36,283 INFO L443 ceAbstractionStarter]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2019-10-22 08:55:36,283 INFO L439 ceAbstractionStarter]: At program point L843-5(lines 1 872) the Hoare annotation is: false [2019-10-22 08:55:36,283 INFO L439 ceAbstractionStarter]: At program point L348(lines 1 872) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:36,283 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 253) no Hoare annotation was computed. [2019-10-22 08:55:36,283 INFO L443 ceAbstractionStarter]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2019-10-22 08:55:36,286 INFO L443 ceAbstractionStarter]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2019-10-22 08:55:36,286 INFO L439 ceAbstractionStarter]: At program point L233(lines 184 234) the Hoare annotation is: false [2019-10-22 08:55:36,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:36 BoogieIcfgContainer [2019-10-22 08:55:36,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:36,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:36,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:36,306 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:36,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:34" (3/4) ... [2019-10-22 08:55:36,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:36,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:55:36,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:55:36,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:55:36,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:55:36,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:36,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:55:36,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:55:36,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:55:36,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:55:36,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:55:36,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59c9a3fb-f5de-4986-bc14-c344d8eb2b2a/bin/uautomizer/witness.graphml [2019-10-22 08:55:36,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:36,411 INFO L168 Benchmark]: Toolchain (without parser) took 2775.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 939.1 MB in the beginning and 952.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 159.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,411 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:36,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -216.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,413 INFO L168 Benchmark]: Boogie Preprocessor took 26.05 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 08:55:36,413 INFO L168 Benchmark]: RCFGBuilder took 682.40 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: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,413 INFO L168 Benchmark]: TraceAbstraction took 1454.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.9 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,414 INFO L168 Benchmark]: Witness Printer took 103.80 ms. Allocated memory is still 1.2 GB. Free memory was 958.9 MB in the beginning and 952.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,416 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -216.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.05 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 682.40 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: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1454.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.9 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * Witness Printer took 103.80 ms. Allocated memory is still 1.2 GB. Free memory was 958.9 MB in the beginning and 952.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 869]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 869]: 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: 351]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 285 SDtfs, 370 SDslu, 498 SDs, 0 SdLazy, 60 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 135 HoareAnnotationTreeSize, 27 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...