./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_product51.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 0140910feaef212f3eb8993aa9e49d2064d898fa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:51,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:51,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:51,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:51,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:51,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:51,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:51,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:51,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:51,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:51,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:51,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:51,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:51,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:51,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:51,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:51,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:51,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:51,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:51,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:51,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:51,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:51,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:51,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:51,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:51,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:51,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:51,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:51,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:51,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:51,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:51,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:51,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:51,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:51,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:51,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:51,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:51,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:51,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:51,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:51,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:51,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:51,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:51,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:51,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:51,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:51,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:51,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:51,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:51,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:51,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:51,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:51,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:51,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:51,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:51,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:51,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:51,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:51,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:51,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:51,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:51,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:51,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:51,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:51,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:51,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:51,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:51,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:51,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:51,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:51,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:51,910 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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2019-11-28 17:27:52,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:52,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:52,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:52,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:52,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:52,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-11-28 17:27:52,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58300625/4e4224d39bb94cf5b24042ff8fa798da/FLAG203740df7 [2019-11-28 17:27:52,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:52,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-11-28 17:27:52,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58300625/4e4224d39bb94cf5b24042ff8fa798da/FLAG203740df7 [2019-11-28 17:27:53,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58300625/4e4224d39bb94cf5b24042ff8fa798da [2019-11-28 17:27:53,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:53,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:53,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:53,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:53,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:53,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53, skipping insertion in model container [2019-11-28 17:27:53,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:53,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:53,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:53,775 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:53,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:53,888 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:53,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53 WrapperNode [2019-11-28 17:27:53,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:53,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:53,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:53,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:53,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:53,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:53,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:53,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:53,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:53,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:54,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:54,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:54,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (1/1) ... [2019-11-28 17:27:54,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:54,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:54,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:54,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:54,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (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 17:27:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:54,911 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:54,912 INFO L287 CfgBuilder]: Removed 174 assume(true) statements. [2019-11-28 17:27:54,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:54 BoogieIcfgContainer [2019-11-28 17:27:54,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:54,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:54,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:54,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:54,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:53" (1/3) ... [2019-11-28 17:27:54,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796a0b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:54, skipping insertion in model container [2019-11-28 17:27:54,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:53" (2/3) ... [2019-11-28 17:27:54,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796a0b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:54, skipping insertion in model container [2019-11-28 17:27:54,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:54" (3/3) ... [2019-11-28 17:27:54,926 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-11-28 17:27:54,936 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:54,945 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:54,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:54,989 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:54,990 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:54,990 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:54,991 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:54,992 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:54,993 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:54,993 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:54,993 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-11-28 17:27:55,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:27:55,030 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:55,031 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 17:27:55,031 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:55,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:55,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2019-11-28 17:27:55,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:55,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412241198] [2019-11-28 17:27:55,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:55,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412241198] [2019-11-28 17:27:55,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:55,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:55,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647544902] [2019-11-28 17:27:55,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:55,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:55,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:55,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:55,326 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-11-28 17:27:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:55,361 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2019-11-28 17:27:55,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:55,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 17:27:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:55,375 INFO L225 Difference]: With dead ends: 249 [2019-11-28 17:27:55,376 INFO L226 Difference]: Without dead ends: 124 [2019-11-28 17:27:55,379 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 17:27:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-28 17:27:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-28 17:27:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 17:27:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2019-11-28 17:27:55,426 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2019-11-28 17:27:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:55,427 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2019-11-28 17:27:55,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2019-11-28 17:27:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:27:55,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:55,429 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 17:27:55,429 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:55,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:55,430 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2019-11-28 17:27:55,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:55,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316802522] [2019-11-28 17:27:55,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:55,532 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 17:27:55,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316802522] [2019-11-28 17:27:55,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:55,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:55,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308100948] [2019-11-28 17:27:55,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:55,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:55,536 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2019-11-28 17:27:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:55,553 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2019-11-28 17:27:55,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:55,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:27:55,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:55,555 INFO L225 Difference]: With dead ends: 124 [2019-11-28 17:27:55,556 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 17:27:55,557 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 17:27:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 17:27:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 17:27:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 17:27:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-28 17:27:55,565 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2019-11-28 17:27:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:55,566 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-28 17:27:55,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-28 17:27:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:55,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:55,568 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 17:27:55,568 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:55,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:55,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2019-11-28 17:27:55,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:55,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181319813] [2019-11-28 17:27:55,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:55,729 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 17:27:55,730 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181319813] [2019-11-28 17:27:55,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:55,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:55,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189678426] [2019-11-28 17:27:55,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:55,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:55,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:55,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:55,733 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2019-11-28 17:27:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:55,867 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2019-11-28 17:27:55,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:55,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 17:27:55,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:55,872 INFO L225 Difference]: With dead ends: 171 [2019-11-28 17:27:55,872 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 17:27:55,873 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 17:27:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 75. [2019-11-28 17:27:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 17:27:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2019-11-28 17:27:55,900 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2019-11-28 17:27:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:55,901 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2019-11-28 17:27:55,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2019-11-28 17:27:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:27:55,904 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:55,904 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 17:27:55,905 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:55,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:55,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2019-11-28 17:27:55,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:55,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832207875] [2019-11-28 17:27:55,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:55,992 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 17:27:55,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832207875] [2019-11-28 17:27:55,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:55,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:55,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989076277] [2019-11-28 17:27:55,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:55,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:55,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:55,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:55,996 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2019-11-28 17:27:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:56,053 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2019-11-28 17:27:56,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:56,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 17:27:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:56,055 INFO L225 Difference]: With dead ends: 167 [2019-11-28 17:27:56,055 INFO L226 Difference]: Without dead ends: 99 [2019-11-28 17:27:56,057 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 17:27:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-28 17:27:56,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-11-28 17:27:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 17:27:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2019-11-28 17:27:56,070 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2019-11-28 17:27:56,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:56,071 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2019-11-28 17:27:56,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2019-11-28 17:27:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 17:27:56,072 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:56,073 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 17:27:56,073 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:56,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:56,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2019-11-28 17:27:56,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:56,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151216679] [2019-11-28 17:27:56,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:56,212 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 17:27:56,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151216679] [2019-11-28 17:27:56,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:56,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:56,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020418095] [2019-11-28 17:27:56,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:56,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:56,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:56,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:56,215 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand 5 states. [2019-11-28 17:27:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:56,362 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2019-11-28 17:27:56,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:56,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 17:27:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:56,365 INFO L225 Difference]: With dead ends: 314 [2019-11-28 17:27:56,365 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 17:27:56,366 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 17:27:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 17:27:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2019-11-28 17:27:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-28 17:27:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2019-11-28 17:27:56,381 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2019-11-28 17:27:56,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:56,381 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2019-11-28 17:27:56,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2019-11-28 17:27:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:56,384 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:56,384 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] [2019-11-28 17:27:56,384 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2019-11-28 17:27:56,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:56,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307444988] [2019-11-28 17:27:56,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:56,484 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 17:27:56,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307444988] [2019-11-28 17:27:56,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:56,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:56,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948190463] [2019-11-28 17:27:56,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:56,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:56,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:56,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:56,489 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand 5 states. [2019-11-28 17:27:56,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:56,572 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2019-11-28 17:27:56,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:56,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:27:56,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:56,574 INFO L225 Difference]: With dead ends: 276 [2019-11-28 17:27:56,576 INFO L226 Difference]: Without dead ends: 188 [2019-11-28 17:27:56,577 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 17:27:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-28 17:27:56,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2019-11-28 17:27:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-28 17:27:56,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2019-11-28 17:27:56,604 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2019-11-28 17:27:56,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:56,605 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2019-11-28 17:27:56,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2019-11-28 17:27:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:56,609 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:56,609 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] [2019-11-28 17:27:56,609 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:56,613 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2019-11-28 17:27:56,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:56,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434776521] [2019-11-28 17:27:56,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:56,698 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 17:27:56,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434776521] [2019-11-28 17:27:56,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:56,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:56,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913248167] [2019-11-28 17:27:56,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:56,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:56,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:56,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:56,701 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand 6 states. [2019-11-28 17:27:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:56,814 INFO L93 Difference]: Finished difference Result 293 states and 397 transitions. [2019-11-28 17:27:56,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:56,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 17:27:56,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:56,816 INFO L225 Difference]: With dead ends: 293 [2019-11-28 17:27:56,816 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 17:27:56,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:27:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 17:27:56,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2019-11-28 17:27:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-28 17:27:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2019-11-28 17:27:56,835 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2019-11-28 17:27:56,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:56,836 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2019-11-28 17:27:56,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2019-11-28 17:27:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:56,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:56,838 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] [2019-11-28 17:27:56,838 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:56,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:56,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2019-11-28 17:27:56,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:56,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689073207] [2019-11-28 17:27:56,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:56,890 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 17:27:56,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689073207] [2019-11-28 17:27:56,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:56,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:56,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3746748] [2019-11-28 17:27:56,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:56,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:56,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:56,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:56,892 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand 3 states. [2019-11-28 17:27:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:56,929 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2019-11-28 17:27:56,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:56,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:27:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:56,931 INFO L225 Difference]: With dead ends: 253 [2019-11-28 17:27:56,931 INFO L226 Difference]: Without dead ends: 155 [2019-11-28 17:27:56,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-28 17:27:56,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-28 17:27:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 17:27:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2019-11-28 17:27:56,952 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 34 [2019-11-28 17:27:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:56,953 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2019-11-28 17:27:56,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2019-11-28 17:27:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:27:56,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:56,959 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] [2019-11-28 17:27:56,960 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:56,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:56,960 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2019-11-28 17:27:56,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:56,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109161628] [2019-11-28 17:27:56,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:57,101 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 17:27:57,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109161628] [2019-11-28 17:27:57,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:57,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:57,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477347495] [2019-11-28 17:27:57,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:57,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:57,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:57,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:57,104 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand 6 states. [2019-11-28 17:27:57,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:57,486 INFO L93 Difference]: Finished difference Result 567 states and 765 transitions. [2019-11-28 17:27:57,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:57,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 17:27:57,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:57,489 INFO L225 Difference]: With dead ends: 567 [2019-11-28 17:27:57,490 INFO L226 Difference]: Without dead ends: 469 [2019-11-28 17:27:57,491 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 17:27:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-11-28 17:27:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 221. [2019-11-28 17:27:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-28 17:27:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2019-11-28 17:27:57,517 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 35 [2019-11-28 17:27:57,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:57,518 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2019-11-28 17:27:57,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2019-11-28 17:27:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:27:57,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:57,520 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] [2019-11-28 17:27:57,520 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:57,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:57,520 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2019-11-28 17:27:57,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:57,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118296625] [2019-11-28 17:27:57,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:57,604 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 17:27:57,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118296625] [2019-11-28 17:27:57,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832676676] [2019-11-28 17:27:57,606 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 17:27:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:57,745 INFO L264 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:57,752 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:57,816 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 17:27:57,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:57,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 17:27:57,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686065077] [2019-11-28 17:27:57,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 17:27:57,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:57,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 17:27:57,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:27:57,821 INFO L87 Difference]: Start difference. First operand 221 states and 288 transitions. Second operand 10 states. [2019-11-28 17:27:58,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:58,163 INFO L93 Difference]: Finished difference Result 437 states and 582 transitions. [2019-11-28 17:27:58,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:58,163 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2019-11-28 17:27:58,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:58,166 INFO L225 Difference]: With dead ends: 437 [2019-11-28 17:27:58,166 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:58,167 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-28 17:27:58,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:58,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 17:27:58,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:58,170 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:58,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 17:27:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:58,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:58,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:58,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:59,685 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-11-28 17:28:00,081 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2019-11-28 17:28:00,465 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2019-11-28 17:28:00,866 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2019-11-28 17:28:00,990 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-28 17:28:01,510 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2019-11-28 17:28:02,009 WARN L192 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2019-11-28 17:28:02,396 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-11-28 17:28:02,644 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2019-11-28 17:28:02,799 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2019-11-28 17:28:03,287 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2019-11-28 17:28:03,442 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-11-28 17:28:03,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,446 INFO L249 CegarLoopResult]: At program point L367(lines 348 370) the Hoare annotation is: true [2019-11-28 17:28:03,446 INFO L242 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L929(lines 920 933) the Hoare annotation is: false [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L929-1(lines 920 933) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5))) [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L929-2(lines 920 933) the Hoare annotation is: false [2019-11-28 17:28:03,447 INFO L242 CegarLoopResult]: At program point L929-3(lines 920 933) the Hoare annotation is: false [2019-11-28 17:28:03,448 INFO L242 CegarLoopResult]: At program point L929-4(lines 920 933) the Hoare annotation is: false [2019-11-28 17:28:03,448 INFO L242 CegarLoopResult]: At program point L929-5(lines 920 933) the Hoare annotation is: false [2019-11-28 17:28:03,449 INFO L246 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2019-11-28 17:28:03,449 INFO L242 CegarLoopResult]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 17:28:03,449 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:03,449 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse4 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6 .cse3))) [2019-11-28 17:28:03,450 INFO L242 CegarLoopResult]: At program point L174-1(lines 169 177) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 17:28:03,450 INFO L242 CegarLoopResult]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-11-28 17:28:03,450 INFO L242 CegarLoopResult]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-11-28 17:28:03,450 INFO L242 CegarLoopResult]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-11-28 17:28:03,450 INFO L242 CegarLoopResult]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-11-28 17:28:03,450 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,450 INFO L246 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,450 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,450 INFO L246 CegarLoopResult]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,451 INFO L246 CegarLoopResult]: For program point L242-5(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,451 INFO L246 CegarLoopResult]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,451 INFO L246 CegarLoopResult]: For program point L242-8(lines 242 246) no Hoare annotation was computed. [2019-11-28 17:28:03,451 INFO L242 CegarLoopResult]: At program point L969(lines 63 69) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 17:28:03,451 INFO L242 CegarLoopResult]: At program point L969-1(lines 63 69) the Hoare annotation is: false [2019-11-28 17:28:03,451 INFO L242 CegarLoopResult]: At program point L969-2(lines 63 69) the Hoare annotation is: false [2019-11-28 17:28:03,451 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: false [2019-11-28 17:28:03,452 INFO L246 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2019-11-28 17:28:03,452 INFO L246 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L248(lines 233 251) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:03,452 INFO L242 CegarLoopResult]: At program point L248-1(lines 233 251) the Hoare annotation is: false [2019-11-28 17:28:03,453 INFO L242 CegarLoopResult]: At program point L248-2(lines 233 251) the Hoare annotation is: false [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L283-1(lines 283 287) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L847-3(lines 847 851) no Hoare annotation was computed. [2019-11-28 17:28:03,453 INFO L246 CegarLoopResult]: For program point L847-6(lines 847 851) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L246 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L242 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse5))) [2019-11-28 17:28:03,454 INFO L246 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L246 CegarLoopResult]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L246 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2019-11-28 17:28:03,454 INFO L242 CegarLoopResult]: At program point L980-1(lines 1 1000) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 17:28:03,455 INFO L246 CegarLoopResult]: For program point L980-2(lines 980 997) no Hoare annotation was computed. [2019-11-28 17:28:03,455 INFO L242 CegarLoopResult]: At program point L980-3(lines 1 1000) the Hoare annotation is: false [2019-11-28 17:28:03,455 INFO L246 CegarLoopResult]: For program point L980-4(lines 980 997) no Hoare annotation was computed. [2019-11-28 17:28:03,455 INFO L242 CegarLoopResult]: At program point L980-5(lines 1 1000) the Hoare annotation is: false [2019-11-28 17:28:03,455 INFO L246 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,455 INFO L246 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,455 INFO L246 CegarLoopResult]: For program point L948-2(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,456 INFO L242 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 17:28:03,456 INFO L242 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-11-28 17:28:03,456 INFO L242 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-11-28 17:28:03,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:28:03,456 INFO L246 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2019-11-28 17:28:03,456 INFO L242 CegarLoopResult]: At program point L256-1(lines 256 262) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:03,456 INFO L246 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,456 INFO L246 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,457 INFO L246 CegarLoopResult]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L984-2(lines 984 994) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L984-4(lines 984 994) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L985-2(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:28:03,458 INFO L246 CegarLoopResult]: For program point L985-4(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:28:03,459 INFO L246 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2019-11-28 17:28:03,459 INFO L249 CegarLoopResult]: At program point L358-1(lines 358 365) the Hoare annotation is: true [2019-11-28 17:28:03,459 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:28:03,459 INFO L246 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-11-28 17:28:03,459 INFO L242 CegarLoopResult]: At program point L392-1(lines 392 398) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 17:28:03,459 INFO L246 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,459 INFO L246 CegarLoopResult]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,460 INFO L246 CegarLoopResult]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,460 INFO L246 CegarLoopResult]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,460 INFO L246 CegarLoopResult]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,460 INFO L246 CegarLoopResult]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-11-28 17:28:03,460 INFO L242 CegarLoopResult]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse4))) [2019-11-28 17:28:03,460 INFO L242 CegarLoopResult]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-11-28 17:28:03,460 INFO L242 CegarLoopResult]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-11-28 17:28:03,460 INFO L242 CegarLoopResult]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) .cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse3 .cse4 .cse5))) [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L461(lines 1 1000) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:03,461 INFO L242 CegarLoopResult]: At program point L329(lines 325 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924-1(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924-3(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L924-5(lines 924 930) no Hoare annotation was computed. [2019-11-28 17:28:03,462 INFO L246 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-11-28 17:28:03,463 INFO L242 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: false [2019-11-28 17:28:03,463 INFO L242 CegarLoopResult]: At program point L959(lines 954 961) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:03,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:28:03 BoogieIcfgContainer [2019-11-28 17:28:03,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:28:03,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:28:03,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:28:03,498 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:28:03,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:54" (3/4) ... [2019-11-28 17:28:03,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:28:03,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:28:03,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:28:03,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:28:03,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:28:03,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:28:03,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:28:03,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:28:03,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:28:03,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:28:03,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:28:03,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:28:03,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:28:03,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:28:03,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:28:03,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((1 == tmp && 0 == \result) && \result == 1) && !(0 == tmp)) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:28:03,654 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:28:03,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:28:03,656 INFO L168 Benchmark]: Toolchain (without parser) took 10488.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -310.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:03,656 INFO L168 Benchmark]: CDTParser took 0.69 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 17:28:03,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:03,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.38 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 17:28:03,657 INFO L168 Benchmark]: Boogie Preprocessor took 52.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:28:03,658 INFO L168 Benchmark]: RCFGBuilder took 881.49 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:03,658 INFO L168 Benchmark]: TraceAbstraction took 8582.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.0 MB). Peak memory consumption was 395.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:03,658 INFO L168 Benchmark]: Witness Printer took 157.14 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:03,660 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 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 719.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.38 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 52.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 881.49 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8582.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.0 MB). Peak memory consumption was 395.8 MB. Max. memory is 11.5 GB. * Witness Printer took 157.14 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: 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: 934]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((1 == tmp && 0 == \result) && \result == 1) && !(0 == tmp)) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, HoareTripleCheckerStatistics: 1098 SDtfs, 1576 SDslu, 1870 SDs, 0 SdLazy, 310 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 174 NumberOfFragments, 1016 HoareAnnotationTreeSize, 51 FomulaSimplifications, 41792 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 101428 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 30393 SizeOfPredicates, 4 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...