./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1b0d27feddcb9d1a4db7cdc5c8945d696a44cc7b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:42,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:42,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:42,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:42,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:42,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:42,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:42,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:42,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:42,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:42,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:42,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:42,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:42,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:42,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:42,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:42,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:42,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:42,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:42,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:42,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:42,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:42,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:42,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:42,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:42,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:42,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:42,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:42,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:42,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:42,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:42,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:42,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:42,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:42,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:42,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:42,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:42,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:42,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:42,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:42,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:42,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:42,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:42,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:42,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:42,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:42,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:42,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:42,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:42,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:42,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:42,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:42,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:42,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:42,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:42,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:42,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:42,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:42,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:42,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:42,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:42,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:42,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:42,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:42,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:42,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:42,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:42,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:42,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:42,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:42,860 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1b0d27feddcb9d1a4db7cdc5c8945d696a44cc7b [2019-11-28 00:23:43,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:43,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:43,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:43,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:43,200 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:43,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2019-11-28 00:23:43,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31d64682/000124df93e840bead35550d747bdcf6/FLAGfdc86ffbf [2019-11-28 00:23:43,860 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:43,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2019-11-28 00:23:43,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31d64682/000124df93e840bead35550d747bdcf6/FLAGfdc86ffbf [2019-11-28 00:23:44,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31d64682/000124df93e840bead35550d747bdcf6 [2019-11-28 00:23:44,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:44,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:44,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:44,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:44,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:44,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1b3a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44, skipping insertion in model container [2019-11-28 00:23:44,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:44,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:44,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:44,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:44,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:44,801 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:44,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44 WrapperNode [2019-11-28 00:23:44,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:44,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:44,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:44,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:44,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:44,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:44,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:44,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:44,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... [2019-11-28 00:23:44,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:44,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:44,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:44,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:44,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:46,025 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:46,026 INFO L297 CfgBuilder]: Removed 212 assume(true) statements. [2019-11-28 00:23:46,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:46 BoogieIcfgContainer [2019-11-28 00:23:46,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:46,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:46,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:46,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:46,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:44" (1/3) ... [2019-11-28 00:23:46,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c82d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:46, skipping insertion in model container [2019-11-28 00:23:46,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:44" (2/3) ... [2019-11-28 00:23:46,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c82d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:46, skipping insertion in model container [2019-11-28 00:23:46,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:46" (3/3) ... [2019-11-28 00:23:46,035 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2019-11-28 00:23:46,045 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:46,053 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:46,066 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:46,092 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:46,092 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:46,092 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:46,092 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:46,093 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:46,093 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:46,093 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:46,093 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-11-28 00:23:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:46,122 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:46,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:46,123 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:46,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:46,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1514559463, now seen corresponding path program 1 times [2019-11-28 00:23:46,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:46,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353323821] [2019-11-28 00:23:46,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:46,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353323821] [2019-11-28 00:23:46,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:46,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:46,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746125458] [2019-11-28 00:23:46,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:46,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:46,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:46,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:46,466 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-11-28 00:23:46,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:46,504 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2019-11-28 00:23:46,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:46,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:46,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:46,519 INFO L225 Difference]: With dead ends: 273 [2019-11-28 00:23:46,519 INFO L226 Difference]: Without dead ends: 136 [2019-11-28 00:23:46,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-28 00:23:46,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-11-28 00:23:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 00:23:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 195 transitions. [2019-11-28 00:23:46,577 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 195 transitions. Word has length 19 [2019-11-28 00:23:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:46,577 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 195 transitions. [2019-11-28 00:23:46,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2019-11-28 00:23:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:46,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:46,579 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:46,580 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:46,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:46,580 INFO L82 PathProgramCache]: Analyzing trace with hash 291460090, now seen corresponding path program 1 times [2019-11-28 00:23:46,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:46,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476791385] [2019-11-28 00:23:46,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:46,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476791385] [2019-11-28 00:23:46,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:46,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:46,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612680099] [2019-11-28 00:23:46,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:46,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:46,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:46,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:46,723 INFO L87 Difference]: Start difference. First operand 136 states and 195 transitions. Second operand 3 states. [2019-11-28 00:23:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:46,740 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2019-11-28 00:23:46,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:46,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:46,742 INFO L225 Difference]: With dead ends: 136 [2019-11-28 00:23:46,742 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 00:23:46,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:46,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 00:23:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 00:23:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 00:23:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-28 00:23:46,757 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-28 00:23:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:46,757 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-28 00:23:46,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-28 00:23:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:46,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:46,763 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:46,763 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:46,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:46,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1876130146, now seen corresponding path program 1 times [2019-11-28 00:23:46,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:46,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677997015] [2019-11-28 00:23:46,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:46,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677997015] [2019-11-28 00:23:46,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:46,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:46,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973773514] [2019-11-28 00:23:46,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:46,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:46,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:46,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:46,887 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-28 00:23:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:46,955 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2019-11-28 00:23:46,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:46,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:46,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:46,960 INFO L225 Difference]: With dead ends: 157 [2019-11-28 00:23:46,962 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 00:23:46,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 00:23:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-11-28 00:23:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-28 00:23:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2019-11-28 00:23:46,992 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 26 [2019-11-28 00:23:46,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:46,993 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2019-11-28 00:23:46,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2019-11-28 00:23:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:47,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,001 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,002 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1185211644, now seen corresponding path program 1 times [2019-11-28 00:23:47,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705071341] [2019-11-28 00:23:47,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:47,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705071341] [2019-11-28 00:23:47,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:47,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66312946] [2019-11-28 00:23:47,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:47,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:47,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:47,110 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 3 states. [2019-11-28 00:23:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:47,161 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2019-11-28 00:23:47,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:47,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:47,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:47,163 INFO L225 Difference]: With dead ends: 246 [2019-11-28 00:23:47,163 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 00:23:47,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:47,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 00:23:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-28 00:23:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 00:23:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 212 transitions. [2019-11-28 00:23:47,181 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 212 transitions. Word has length 28 [2019-11-28 00:23:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:47,182 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 212 transitions. [2019-11-28 00:23:47,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 212 transitions. [2019-11-28 00:23:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:47,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,183 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,184 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1849643669, now seen corresponding path program 1 times [2019-11-28 00:23:47,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142449524] [2019-11-28 00:23:47,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:47,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142449524] [2019-11-28 00:23:47,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:47,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303706391] [2019-11-28 00:23:47,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:47,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:47,288 INFO L87 Difference]: Start difference. First operand 148 states and 212 transitions. Second operand 5 states. [2019-11-28 00:23:47,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:47,449 INFO L93 Difference]: Finished difference Result 523 states and 749 transitions. [2019-11-28 00:23:47,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:47,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:47,452 INFO L225 Difference]: With dead ends: 523 [2019-11-28 00:23:47,453 INFO L226 Difference]: Without dead ends: 382 [2019-11-28 00:23:47,454 INFO L630 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 [2019-11-28 00:23:47,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-11-28 00:23:47,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 146. [2019-11-28 00:23:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 00:23:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 206 transitions. [2019-11-28 00:23:47,473 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 206 transitions. Word has length 29 [2019-11-28 00:23:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:47,473 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 206 transitions. [2019-11-28 00:23:47,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2019-11-28 00:23:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:47,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,476 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1013914346, now seen corresponding path program 1 times [2019-11-28 00:23:47,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697258868] [2019-11-28 00:23:47,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:47,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697258868] [2019-11-28 00:23:47,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:47,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802821706] [2019-11-28 00:23:47,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:47,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:47,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:47,550 INFO L87 Difference]: Start difference. First operand 146 states and 206 transitions. Second operand 5 states. [2019-11-28 00:23:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:47,638 INFO L93 Difference]: Finished difference Result 387 states and 541 transitions. [2019-11-28 00:23:47,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:47,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:23:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:47,641 INFO L225 Difference]: With dead ends: 387 [2019-11-28 00:23:47,642 INFO L226 Difference]: Without dead ends: 248 [2019-11-28 00:23:47,643 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:23:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-11-28 00:23:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 158. [2019-11-28 00:23:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 00:23:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 218 transitions. [2019-11-28 00:23:47,666 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 218 transitions. Word has length 37 [2019-11-28 00:23:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:47,669 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 218 transitions. [2019-11-28 00:23:47,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2019-11-28 00:23:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:47,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,672 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,677 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,677 INFO L82 PathProgramCache]: Analyzing trace with hash -2025031596, now seen corresponding path program 1 times [2019-11-28 00:23:47,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223074113] [2019-11-28 00:23:47,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:47,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223074113] [2019-11-28 00:23:47,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:47,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558552703] [2019-11-28 00:23:47,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:47,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:47,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:47,766 INFO L87 Difference]: Start difference. First operand 158 states and 218 transitions. Second operand 5 states. [2019-11-28 00:23:47,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:47,917 INFO L93 Difference]: Finished difference Result 430 states and 584 transitions. [2019-11-28 00:23:47,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:47,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:23:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:47,922 INFO L225 Difference]: With dead ends: 430 [2019-11-28 00:23:47,922 INFO L226 Difference]: Without dead ends: 279 [2019-11-28 00:23:47,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-28 00:23:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 166. [2019-11-28 00:23:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-11-28 00:23:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2019-11-28 00:23:47,937 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 37 [2019-11-28 00:23:47,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:47,937 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2019-11-28 00:23:47,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2019-11-28 00:23:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:47,939 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,939 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1248867346, now seen corresponding path program 1 times [2019-11-28 00:23:47,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462348743] [2019-11-28 00:23:47,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:47,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462348743] [2019-11-28 00:23:47,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:47,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789880651] [2019-11-28 00:23:47,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:47,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:47,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:47,986 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand 3 states. [2019-11-28 00:23:48,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,035 INFO L93 Difference]: Finished difference Result 383 states and 520 transitions. [2019-11-28 00:23:48,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:48,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-28 00:23:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,037 INFO L225 Difference]: With dead ends: 383 [2019-11-28 00:23:48,038 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 00:23:48,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 00:23:48,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2019-11-28 00:23:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-28 00:23:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 297 transitions. [2019-11-28 00:23:48,063 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 297 transitions. Word has length 37 [2019-11-28 00:23:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,063 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 297 transitions. [2019-11-28 00:23:48,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 297 transitions. [2019-11-28 00:23:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 00:23:48,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,070 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,070 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1510301998, now seen corresponding path program 1 times [2019-11-28 00:23:48,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364571413] [2019-11-28 00:23:48,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:48,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364571413] [2019-11-28 00:23:48,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:48,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634631046] [2019-11-28 00:23:48,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:48,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:48,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:48,253 INFO L87 Difference]: Start difference. First operand 224 states and 297 transitions. Second operand 6 states. [2019-11-28 00:23:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,571 INFO L93 Difference]: Finished difference Result 869 states and 1173 transitions. [2019-11-28 00:23:48,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:48,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-28 00:23:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,576 INFO L225 Difference]: With dead ends: 869 [2019-11-28 00:23:48,577 INFO L226 Difference]: Without dead ends: 710 [2019-11-28 00:23:48,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:48,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-11-28 00:23:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 317. [2019-11-28 00:23:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-11-28 00:23:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 414 transitions. [2019-11-28 00:23:48,609 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 414 transitions. Word has length 38 [2019-11-28 00:23:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,609 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 414 transitions. [2019-11-28 00:23:48,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 414 transitions. [2019-11-28 00:23:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:23:48,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,612 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,612 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2147133308, now seen corresponding path program 1 times [2019-11-28 00:23:48,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668292305] [2019-11-28 00:23:48,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 00:23:48,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668292305] [2019-11-28 00:23:48,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:48,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252559210] [2019-11-28 00:23:48,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:48,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:48,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,662 INFO L87 Difference]: Start difference. First operand 317 states and 414 transitions. Second operand 3 states. [2019-11-28 00:23:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,733 INFO L93 Difference]: Finished difference Result 541 states and 706 transitions. [2019-11-28 00:23:48,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:48,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:23:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,735 INFO L225 Difference]: With dead ends: 541 [2019-11-28 00:23:48,735 INFO L226 Difference]: Without dead ends: 231 [2019-11-28 00:23:48,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-28 00:23:48,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 225. [2019-11-28 00:23:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-28 00:23:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 290 transitions. [2019-11-28 00:23:48,764 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 290 transitions. Word has length 58 [2019-11-28 00:23:48,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,764 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 290 transitions. [2019-11-28 00:23:48,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 290 transitions. [2019-11-28 00:23:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-28 00:23:48,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,766 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,766 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1132876314, now seen corresponding path program 1 times [2019-11-28 00:23:48,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587997448] [2019-11-28 00:23:48,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:48,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587997448] [2019-11-28 00:23:48,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612329882] [2019-11-28 00:23:48,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:49,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:49,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-28 00:23:49,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428640851] [2019-11-28 00:23:49,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 00:23:49,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 00:23:49,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:49,086 INFO L87 Difference]: Start difference. First operand 225 states and 290 transitions. Second operand 9 states. [2019-11-28 00:23:49,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,363 INFO L93 Difference]: Finished difference Result 448 states and 589 transitions. [2019-11-28 00:23:49,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 00:23:49,363 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-11-28 00:23:49,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,365 INFO L225 Difference]: With dead ends: 448 [2019-11-28 00:23:49,365 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:49,366 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:23:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:49,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-11-28 00:23:49,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,367 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:49,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 00:23:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:49,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:49,573 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:49,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:50,665 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2019-11-28 00:23:50,989 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 25 [2019-11-28 00:23:51,277 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 25 [2019-11-28 00:23:51,455 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-11-28 00:23:51,681 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-11-28 00:23:51,994 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-11-28 00:23:52,152 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-11-28 00:23:52,272 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2019-11-28 00:23:52,493 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-11-28 00:23:52,695 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-11-28 00:23:52,903 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 10 [2019-11-28 00:23:52,907 INFO L246 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-28 00:23:52,907 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,908 INFO L246 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2019-11-28 00:23:52,909 INFO L246 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-11-28 00:23:52,909 INFO L242 CegarLoopResult]: At program point L797(lines 792 800) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,909 INFO L242 CegarLoopResult]: At program point L797-1(lines 792 800) the Hoare annotation is: false [2019-11-28 00:23:52,910 INFO L242 CegarLoopResult]: At program point L797-2(lines 792 800) the Hoare annotation is: false [2019-11-28 00:23:52,912 INFO L242 CegarLoopResult]: At program point L996(lines 991 999) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:52,912 INFO L246 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-11-28 00:23:52,913 INFO L246 CegarLoopResult]: For program point L831-1(lines 831 835) no Hoare annotation was computed. [2019-11-28 00:23:52,913 INFO L242 CegarLoopResult]: At program point L765(lines 760 768) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:52,913 INFO L242 CegarLoopResult]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,913 INFO L242 CegarLoopResult]: At program point L765-2(lines 760 768) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:52,914 INFO L242 CegarLoopResult]: At program point L765-3(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,914 INFO L242 CegarLoopResult]: At program point L765-4(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,914 INFO L242 CegarLoopResult]: At program point L765-5(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,914 INFO L242 CegarLoopResult]: At program point L765-6(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,915 INFO L242 CegarLoopResult]: At program point L765-7(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,915 INFO L242 CegarLoopResult]: At program point L765-8(lines 760 768) the Hoare annotation is: false [2019-11-28 00:23:52,915 INFO L246 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-11-28 00:23:52,915 INFO L246 CegarLoopResult]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2019-11-28 00:23:52,915 INFO L246 CegarLoopResult]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2019-11-28 00:23:52,916 INFO L246 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2019-11-28 00:23:52,916 INFO L242 CegarLoopResult]: At program point L469-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= 2 ~waterLevel~0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,916 INFO L246 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-11-28 00:23:52,916 INFO L242 CegarLoopResult]: At program point L701-1(lines 701 707) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:52,917 INFO L242 CegarLoopResult]: At program point L933(lines 510 516) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,917 INFO L242 CegarLoopResult]: At program point L933-1(lines 510 516) the Hoare annotation is: false [2019-11-28 00:23:52,917 INFO L242 CegarLoopResult]: At program point L933-2(lines 510 516) the Hoare annotation is: false [2019-11-28 00:23:52,917 INFO L246 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,917 INFO L246 CegarLoopResult]: For program point L604-2(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,918 INFO L246 CegarLoopResult]: For program point L604-4(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,918 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,918 INFO L246 CegarLoopResult]: For program point L604-6(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,918 INFO L246 CegarLoopResult]: For program point L604-8(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,919 INFO L246 CegarLoopResult]: For program point L604-10(lines 604 610) no Hoare annotation was computed. [2019-11-28 00:23:52,919 INFO L242 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse5 .cse6 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3))) [2019-11-28 00:23:52,919 INFO L242 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,919 INFO L246 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-11-28 00:23:52,920 INFO L242 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-11-28 00:23:52,920 INFO L246 CegarLoopResult]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2019-11-28 00:23:52,920 INFO L242 CegarLoopResult]: At program point L638-3(lines 633 641) the Hoare annotation is: false [2019-11-28 00:23:52,920 INFO L242 CegarLoopResult]: At program point L638-4(lines 633 641) the Hoare annotation is: false [2019-11-28 00:23:52,920 INFO L246 CegarLoopResult]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2019-11-28 00:23:52,921 INFO L242 CegarLoopResult]: At program point L638-5(lines 633 641) the Hoare annotation is: false [2019-11-28 00:23:52,921 INFO L246 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2019-11-28 00:23:52,921 INFO L249 CegarLoopResult]: At program point L903-1(lines 903 910) the Hoare annotation is: true [2019-11-28 00:23:52,921 INFO L246 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2019-11-28 00:23:52,921 INFO L242 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= 2 ~waterLevel~0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,922 INFO L246 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,922 INFO L246 CegarLoopResult]: For program point L805-1(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,922 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,922 INFO L246 CegarLoopResult]: For program point L805-3(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,922 INFO L246 CegarLoopResult]: For program point L805-4(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L805-5(lines 805 811) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L740(lines 740 744) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L542-1(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,923 INFO L246 CegarLoopResult]: For program point L542-3(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,924 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,924 INFO L246 CegarLoopResult]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,924 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,924 INFO L246 CegarLoopResult]: For program point L542-5(lines 542 559) no Hoare annotation was computed. [2019-11-28 00:23:52,924 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,925 INFO L242 CegarLoopResult]: At program point L510(lines 506 528) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,925 INFO L242 CegarLoopResult]: At program point L510-1(lines 506 528) the Hoare annotation is: false [2019-11-28 00:23:52,925 INFO L242 CegarLoopResult]: At program point L510-2(lines 506 528) the Hoare annotation is: false [2019-11-28 00:23:52,925 INFO L242 CegarLoopResult]: At program point L875(lines 871 877) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:52,926 INFO L242 CegarLoopResult]: At program point L810(lines 801 814) the Hoare annotation is: false [2019-11-28 00:23:52,926 INFO L242 CegarLoopResult]: At program point L810-1(lines 801 814) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 2) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 00:23:52,926 INFO L242 CegarLoopResult]: At program point L810-2(lines 801 814) the Hoare annotation is: false [2019-11-28 00:23:52,926 INFO L242 CegarLoopResult]: At program point L810-3(lines 801 814) the Hoare annotation is: false [2019-11-28 00:23:52,927 INFO L242 CegarLoopResult]: At program point L810-4(lines 801 814) the Hoare annotation is: false [2019-11-28 00:23:52,927 INFO L242 CegarLoopResult]: At program point L810-5(lines 801 814) the Hoare annotation is: false [2019-11-28 00:23:52,927 INFO L246 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,927 INFO L246 CegarLoopResult]: For program point L546-1(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,927 INFO L246 CegarLoopResult]: For program point L546-2(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,928 INFO L246 CegarLoopResult]: For program point L546-3(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,928 INFO L246 CegarLoopResult]: For program point L546-4(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,928 INFO L246 CegarLoopResult]: For program point L546-5(lines 546 554) no Hoare annotation was computed. [2019-11-28 00:23:52,928 INFO L242 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: false [2019-11-28 00:23:52,928 INFO L246 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2019-11-28 00:23:52,929 INFO L242 CegarLoopResult]: At program point L944-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,929 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 961) no Hoare annotation was computed. [2019-11-28 00:23:52,929 INFO L242 CegarLoopResult]: At program point L944-3(lines 1 999) the Hoare annotation is: false [2019-11-28 00:23:52,929 INFO L246 CegarLoopResult]: For program point L944-4(lines 944 961) no Hoare annotation was computed. [2019-11-28 00:23:52,929 INFO L242 CegarLoopResult]: At program point L944-5(lines 1 999) the Hoare annotation is: false [2019-11-28 00:23:52,930 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:52,930 INFO L249 CegarLoopResult]: At program point L912(lines 893 915) the Hoare annotation is: true [2019-11-28 00:23:52,930 INFO L242 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= 2 ~waterLevel~0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,930 INFO L242 CegarLoopResult]: At program point L517-1(lines 517 523) the Hoare annotation is: false [2019-11-28 00:23:52,930 INFO L246 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2019-11-28 00:23:52,931 INFO L242 CegarLoopResult]: At program point L517-2(lines 517 523) the Hoare annotation is: false [2019-11-28 00:23:52,931 INFO L242 CegarLoopResult]: At program point L451-1(lines 451 457) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (= 2 ~waterLevel~0) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-28 00:23:52,931 INFO L246 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2019-11-28 00:23:52,931 INFO L246 CegarLoopResult]: For program point L948-2(lines 948 958) no Hoare annotation was computed. [2019-11-28 00:23:52,931 INFO L246 CegarLoopResult]: For program point L948-4(lines 948 958) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point L949-4(lines 949 955) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point L752(lines 752 756) no Hoare annotation was computed. [2019-11-28 00:23:52,932 INFO L246 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,933 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,933 INFO L246 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,933 INFO L246 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,933 INFO L246 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,933 INFO L246 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,934 INFO L246 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:23:52,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:52,935 INFO L242 CegarLoopResult]: At program point L988(lines 1 999) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:52,935 INFO L242 CegarLoopResult]: At program point L923(lines 918 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:52,935 INFO L246 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2019-11-28 00:23:52,935 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:52,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:23:52,936 INFO L242 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2019-11-28 00:23:52,936 INFO L242 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= ~waterLevel~0 2) .cse1 .cse2))) [2019-11-28 00:23:52,936 INFO L242 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2019-11-28 00:23:52,937 INFO L242 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2019-11-28 00:23:52,937 INFO L242 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2019-11-28 00:23:52,937 INFO L242 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2019-11-28 00:23:52,937 INFO L242 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: false [2019-11-28 00:23:52,937 INFO L246 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-11-28 00:23:52,937 INFO L242 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:52,938 INFO L246 CegarLoopResult]: For program point L728-3(lines 728 732) no Hoare annotation was computed. [2019-11-28 00:23:52,938 INFO L242 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,938 INFO L242 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:52,938 INFO L242 CegarLoopResult]: At program point L629-3(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,938 INFO L246 CegarLoopResult]: For program point L728-6(lines 728 732) no Hoare annotation was computed. [2019-11-28 00:23:52,939 INFO L242 CegarLoopResult]: At program point L629-4(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,939 INFO L242 CegarLoopResult]: At program point L629-5(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,939 INFO L242 CegarLoopResult]: At program point L629-6(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,939 INFO L242 CegarLoopResult]: At program point L629-7(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,939 INFO L242 CegarLoopResult]: At program point L629-8(lines 622 632) the Hoare annotation is: false [2019-11-28 00:23:52,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:52 BoogieIcfgContainer [2019-11-28 00:23:52,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:52,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:52,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:52,976 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:52,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:46" (3/4) ... [2019-11-28 00:23:52,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:53,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:53,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:53,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:53,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:53,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:53,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:53,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:53,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,048 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 00:23:53,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 00:23:53,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:53,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:53,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:53,186 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:53,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:53,188 INFO L168 Benchmark]: Toolchain (without parser) took 9068.05 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -79.1 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,188 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:53,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.47 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,189 INFO L168 Benchmark]: Boogie Preprocessor took 59.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,189 INFO L168 Benchmark]: RCFGBuilder took 1064.37 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: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,190 INFO L168 Benchmark]: TraceAbstraction took 6946.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -15.6 MB). Peak memory consumption was 311.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,190 INFO L168 Benchmark]: Witness Printer took 211.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:53,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 680.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.47 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1064.37 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: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6946.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -15.6 MB). Peak memory consumption was 311.9 MB. Max. memory is 11.5 GB. * Witness Printer took 211.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 1280 SDtfs, 1518 SDslu, 1775 SDs, 0 SdLazy, 282 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 844 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 191 NumberOfFragments, 805 HoareAnnotationTreeSize, 63 FomulaSimplifications, 127870 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 63 FomulaSimplificationsInter, 16639 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 33479 SizeOfPredicates, 4 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...