./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.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_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:58:07,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:07,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:07,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:07,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:07,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:07,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:07,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:07,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:07,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:07,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:07,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:07,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:07,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:07,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:07,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:07,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:07,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:07,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:07,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:07,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:07,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:07,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:07,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:07,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:07,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:07,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:07,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:07,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:07,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:07,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:07,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:07,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:07,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:07,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:07,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:07,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:07,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:07,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:07,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:07,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:07,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:07,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:07,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:07,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:07,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:07,069 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:07,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:07,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:07,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:07,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:07,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:07,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:07,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:07,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:07,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:07,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:07,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:07,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:07,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:07,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:07,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:07,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:07,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:07,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:07,074 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_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-10-22 08:58:07,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:07,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:07,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:07,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:07,115 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:07,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-10-22 08:58:07,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/data/840ea7f6a/6ae5ffea24d64e629d05318179579847/FLAGd23417418 [2019-10-22 08:58:07,600 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:07,601 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-10-22 08:58:07,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/data/840ea7f6a/6ae5ffea24d64e629d05318179579847/FLAGd23417418 [2019-10-22 08:58:07,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/data/840ea7f6a/6ae5ffea24d64e629d05318179579847 [2019-10-22 08:58:07,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:07,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:07,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:07,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:07,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:07,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d9b1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07, skipping insertion in model container [2019-10-22 08:58:07,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:07,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:08,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:08,028 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:08,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:08,132 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:08,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08 WrapperNode [2019-10-22 08:58:08,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:08,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:08,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:08,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:08,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:08,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:08,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:08,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:08,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... [2019-10-22 08:58:08,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:08,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:08,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:08,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:08,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/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 08:58:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:09,182 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:09,183 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 08:58:09,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:09 BoogieIcfgContainer [2019-10-22 08:58:09,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:09,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:09,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:09,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:09,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:07" (1/3) ... [2019-10-22 08:58:09,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e673cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:09, skipping insertion in model container [2019-10-22 08:58:09,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:08" (2/3) ... [2019-10-22 08:58:09,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e673cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:09, skipping insertion in model container [2019-10-22 08:58:09,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:09" (3/3) ... [2019-10-22 08:58:09,192 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-22 08:58:09,202 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:09,210 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:09,221 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:09,245 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:09,246 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:09,246 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:09,246 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:09,246 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:09,247 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:09,247 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:09,247 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-22 08:58:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:58:09,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,272 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:09,274 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-10-22 08:58:09,294 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449682923] [2019-10-22 08:58:09,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:09,552 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 08:58:09,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449682923] [2019-10-22 08:58:09,554 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:09,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:09,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265015236] [2019-10-22 08:58:09,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:09,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:09,575 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-22 08:58:09,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:09,604 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-10-22 08:58:09,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:09,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:58:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:09,623 INFO L225 Difference]: With dead ends: 208 [2019-10-22 08:58:09,623 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 08:58:09,626 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 08:58:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 08:58:09,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 08:58:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 08:58:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-10-22 08:58:09,670 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-10-22 08:58:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:09,671 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-10-22 08:58:09,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-10-22 08:58:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:58:09,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,672 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:09,672 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,673 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-10-22 08:58:09,673 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228553153] [2019-10-22 08:58:09,673 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:09,746 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 08:58:09,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228553153] [2019-10-22 08:58:09,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:09,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:09,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021647970] [2019-10-22 08:58:09,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:09,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:09,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:09,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:09,749 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-10-22 08:58:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:09,759 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-10-22 08:58:09,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:09,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:58:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:09,760 INFO L225 Difference]: With dead ends: 103 [2019-10-22 08:58:09,760 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:58:09,761 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 08:58:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:58:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 08:58:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:58:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 08:58:09,766 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-10-22 08:58:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:09,766 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 08:58:09,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 08:58:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:58:09,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,767 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:09,767 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,767 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-10-22 08:58:09,768 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436261571] [2019-10-22 08:58:09,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:09,857 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 08:58:09,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436261571] [2019-10-22 08:58:09,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:09,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:09,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918437179] [2019-10-22 08:58:09,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:09,858 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:09,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:09,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:09,859 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-10-22 08:58:09,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:09,891 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2019-10-22 08:58:09,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:09,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 08:58:09,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:09,893 INFO L225 Difference]: With dead ends: 123 [2019-10-22 08:58:09,893 INFO L226 Difference]: Without dead ends: 84 [2019-10-22 08:58:09,893 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 08:58:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-22 08:58:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-10-22 08:58:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-22 08:58:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2019-10-22 08:58:09,913 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2019-10-22 08:58:09,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:09,914 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2019-10-22 08:58:09,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2019-10-22 08:58:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:58:09,915 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,915 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 08:58:09,915 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,916 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-10-22 08:58:09,920 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,921 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574420610] [2019-10-22 08:58:09,921 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,921 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,060 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 08:58:10,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574420610] [2019-10-22 08:58:10,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:10,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:10,060 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833065187] [2019-10-22 08:58:10,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:58:10,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:10,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:10,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:10,062 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2019-10-22 08:58:10,317 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-10-22 08:58:10,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:10,512 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2019-10-22 08:58:10,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 08:58:10,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-10-22 08:58:10,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:10,519 INFO L225 Difference]: With dead ends: 571 [2019-10-22 08:58:10,519 INFO L226 Difference]: Without dead ends: 497 [2019-10-22 08:58:10,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:58:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-22 08:58:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2019-10-22 08:58:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-10-22 08:58:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2019-10-22 08:58:10,572 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2019-10-22 08:58:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:10,573 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2019-10-22 08:58:10,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:58:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2019-10-22 08:58:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:58:10,574 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:10,574 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 08:58:10,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:10,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:10,575 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2019-10-22 08:58:10,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:10,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803767851] [2019-10-22 08:58:10,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,638 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 08:58:10,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803767851] [2019-10-22 08:58:10,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:10,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:10,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979195579] [2019-10-22 08:58:10,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:10,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:10,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:10,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:10,641 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2019-10-22 08:58:10,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:10,663 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2019-10-22 08:58:10,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:10,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 08:58:10,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:10,665 INFO L225 Difference]: With dead ends: 332 [2019-10-22 08:58:10,665 INFO L226 Difference]: Without dead ends: 124 [2019-10-22 08:58:10,666 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 08:58:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-22 08:58:10,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-22 08:58:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-22 08:58:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2019-10-22 08:58:10,681 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2019-10-22 08:58:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:10,681 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2019-10-22 08:58:10,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2019-10-22 08:58:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 08:58:10,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:10,683 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:10,683 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2019-10-22 08:58:10,686 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:10,686 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671867658] [2019-10-22 08:58:10,686 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 08:58:10,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671867658] [2019-10-22 08:58:10,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:10,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:10,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644139985] [2019-10-22 08:58:10,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:10,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:10,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:10,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:10,751 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 5 states. [2019-10-22 08:58:10,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:10,816 INFO L93 Difference]: Finished difference Result 256 states and 342 transitions. [2019-10-22 08:58:10,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:10,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 08:58:10,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:10,817 INFO L225 Difference]: With dead ends: 256 [2019-10-22 08:58:10,817 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:10,818 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 08:58:10,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:10,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:10,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-10-22 08:58:10,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:10,822 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:10,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:10,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:10,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:10,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:11,068 INFO L439 ceAbstractionStarter]: At program point L102(lines 97 105) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:11,068 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-10-22 08:58:11,068 INFO L439 ceAbstractionStarter]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,068 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:58:11,068 INFO L446 ceAbstractionStarter]: At program point L203-1(lines 203 210) the Hoare annotation is: true [2019-10-22 08:58:11,068 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-3(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-5(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-6(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-8(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-9(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-11(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-12(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-14(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-15(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,069 INFO L443 ceAbstractionStarter]: For program point L864-17(lines 864 868) no Hoare annotation was computed. [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305-1(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305-2(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305-3(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305-4(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L305-5(lines 300 308) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L870(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L870-1(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L870-2(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,070 INFO L439 ceAbstractionStarter]: At program point L870-3(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,071 INFO L439 ceAbstractionStarter]: At program point L870-4(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,071 INFO L439 ceAbstractionStarter]: At program point L870-5(lines 855 873) the Hoare annotation is: false [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-10-22 08:58:11,071 INFO L439 ceAbstractionStarter]: At program point L806(lines 799 809) the Hoare annotation is: false [2019-10-22 08:58:11,072 INFO L439 ceAbstractionStarter]: At program point L806-1(lines 799 809) the Hoare annotation is: false [2019-10-22 08:58:11,072 INFO L439 ceAbstractionStarter]: At program point L806-2(lines 799 809) the Hoare annotation is: false [2019-10-22 08:58:11,072 INFO L446 ceAbstractionStarter]: At program point L212(lines 193 215) the Hoare annotation is: true [2019-10-22 08:58:11,072 INFO L439 ceAbstractionStarter]: At program point L179(lines 175 181) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 965) the Hoare annotation is: false [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 965) the Hoare annotation is: false [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-10-22 08:58:11,073 INFO L443 ceAbstractionStarter]: For program point L745-1(lines 745 762) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L745-2(lines 745 762) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L439 ceAbstractionStarter]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L439 ceAbstractionStarter]: At program point L946-1(lines 687 693) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 08:58:11,074 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L439 ceAbstractionStarter]: At program point L815(lines 810 818) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,075 INFO L439 ceAbstractionStarter]: At program point L815-1(lines 810 818) the Hoare annotation is: false [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L439 ceAbstractionStarter]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 749 757) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,075 INFO L443 ceAbstractionStarter]: For program point L719-3(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,076 INFO L443 ceAbstractionStarter]: For program point L719-4(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,076 INFO L443 ceAbstractionStarter]: For program point L719-5(lines 719 736) no Hoare annotation was computed. [2019-10-22 08:58:11,076 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-22 08:58:11,078 INFO L439 ceAbstractionStarter]: At program point L918-1(lines 918 924) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,078 INFO L439 ceAbstractionStarter]: At program point L687(lines 686 705) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,078 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2019-10-22 08:58:11,079 INFO L439 ceAbstractionStarter]: At program point L687-2(lines 686 705) the Hoare annotation is: false [2019-10-22 08:58:11,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-22 08:58:11,079 INFO L439 ceAbstractionStarter]: At program point L687-3(lines 686 705) the Hoare annotation is: false [2019-10-22 08:58:11,079 INFO L439 ceAbstractionStarter]: At program point L94(lines 1 965) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:11,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,079 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-22 08:58:11,079 INFO L443 ceAbstractionStarter]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2019-10-22 08:58:11,079 INFO L439 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: false [2019-10-22 08:58:11,079 INFO L443 ceAbstractionStarter]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723-3(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723-4(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L723-5(lines 723 731) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-22 08:58:11,080 INFO L439 ceAbstractionStarter]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,080 INFO L439 ceAbstractionStarter]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L264(lines 259 267) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-22 08:58:11,081 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 687 693) no Hoare annotation was computed. [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: false [2019-10-22 08:58:11,081 INFO L439 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:11,082 INFO L439 ceAbstractionStarter]: At program point L694-1(lines 694 700) the Hoare annotation is: false [2019-10-22 08:58:11,082 INFO L439 ceAbstractionStarter]: At program point L694-2(lines 694 700) the Hoare annotation is: false [2019-10-22 08:58:11,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:11 BoogieIcfgContainer [2019-10-22 08:58:11,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:11,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:11,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:11,100 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:11,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:09" (3/4) ... [2019-10-22 08:58:11,105 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:11,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:58:11,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:58:11,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:58:11,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:11,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:11,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:58:11,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:58:11,233 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_299495fa-1cc7-4fb2-aeb9-e0c6cd5af064/bin/uautomizer/witness.graphml [2019-10-22 08:58:11,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:11,234 INFO L168 Benchmark]: Toolchain (without parser) took 3606.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:11,234 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:11,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,235 INFO L168 Benchmark]: Boogie Preprocessor took 36.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,235 INFO L168 Benchmark]: RCFGBuilder took 944.11 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,236 INFO L168 Benchmark]: TraceAbstraction took 1914.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -65.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,238 INFO L168 Benchmark]: Witness Printer took 132.65 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 503.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 944.11 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1914.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -65.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. * Witness Printer took 132.65 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 460 SDtfs, 714 SDslu, 682 SDs, 0 SdLazy, 140 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3677 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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...