./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec3_product41.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fc4b6513d54dfae6e097800b1200a0f44455272 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:18,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:18,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:18,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:18,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:18,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:18,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:18,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:18,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:18,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:18,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:18,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:18,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:18,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:18,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:18,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:18,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:18,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:18,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:18,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:18,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:18,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:18,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:18,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:18,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:18,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:18,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:18,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:18,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:18,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:18,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:18,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:18,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:18,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:18,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:18,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:18,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:18,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:18,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:18,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:18,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:18,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:18,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:18,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:18,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:18,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:18,875 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:18,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:18,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:18,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:18,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:18,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:18,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:18,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:18,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:18,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:18,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:18,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:18,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:18,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:18,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:18,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:18,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:18,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:18,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:18,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:18,880 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(reach_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 -> 1fc4b6513d54dfae6e097800b1200a0f44455272 [2020-10-20 01:43:19,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:19,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:19,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:19,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:19,093 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:19,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-10-20 01:43:19,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06724abc0/7c300150ad914789aed0c10452208f77/FLAGdb8ed675e [2020-10-20 01:43:19,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:19,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-10-20 01:43:19,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06724abc0/7c300150ad914789aed0c10452208f77/FLAGdb8ed675e [2020-10-20 01:43:19,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06724abc0/7c300150ad914789aed0c10452208f77 [2020-10-20 01:43:19,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:19,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:19,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:19,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:19,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:19,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e17e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19, skipping insertion in model container [2020-10-20 01:43:19,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:20,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:20,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:20,627 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:20,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:20,777 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:20,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20 WrapperNode [2020-10-20 01:43:20,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:20,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:20,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:20,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:20,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:20,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:20,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:20,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:20,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:20,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:20,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:20,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:20,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (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 [2020-10-20 01:43:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:21,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:21,939 INFO L298 CfgBuilder]: Removed 126 assume(true) statements. [2020-10-20 01:43:21,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21 BoogieIcfgContainer [2020-10-20 01:43:21,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:21,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:21,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:21,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:21,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:19" (1/3) ... [2020-10-20 01:43:21,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7493f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:21, skipping insertion in model container [2020-10-20 01:43:21,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (2/3) ... [2020-10-20 01:43:21,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7493f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:21, skipping insertion in model container [2020-10-20 01:43:21,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21" (3/3) ... [2020-10-20 01:43:21,960 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-10-20 01:43:21,972 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:21,980 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:21,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:22,021 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:22,022 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:22,022 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:22,022 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:22,023 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:22,023 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:22,023 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:22,024 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-10-20 01:43:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:22,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,059 INFO L82 PathProgramCache]: Analyzing trace with hash 122630675, now seen corresponding path program 1 times [2020-10-20 01:43:22,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924174139] [2020-10-20 01:43:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924174139] [2020-10-20 01:43:22,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:22,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524638182] [2020-10-20 01:43:22,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:22,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:22,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:22,355 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-10-20 01:43:22,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,422 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2020-10-20 01:43:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:22,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,437 INFO L225 Difference]: With dead ends: 183 [2020-10-20 01:43:22,438 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:43:22,442 INFO L677 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 [2020-10-20 01:43:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:43:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-20 01:43:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-20 01:43:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-10-20 01:43:22,490 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-10-20 01:43:22,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,491 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-10-20 01:43:22,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-10-20 01:43:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:22,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:22,493 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,493 INFO L82 PathProgramCache]: Analyzing trace with hash -788400078, now seen corresponding path program 1 times [2020-10-20 01:43:22,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501570876] [2020-10-20 01:43:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501570876] [2020-10-20 01:43:22,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:22,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108730489] [2020-10-20 01:43:22,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,645 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-10-20 01:43:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,658 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-10-20 01:43:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:22,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,660 INFO L225 Difference]: With dead ends: 89 [2020-10-20 01:43:22,661 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 01:43:22,662 INFO L677 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 [2020-10-20 01:43:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 01:43:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 01:43:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 01:43:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-10-20 01:43:22,668 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-10-20 01:43:22,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,669 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-10-20 01:43:22,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-10-20 01:43:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:22,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,671 INFO L422 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] [2020-10-20 01:43:22,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:22,671 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,672 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2020-10-20 01:43:22,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292864968] [2020-10-20 01:43:22,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292864968] [2020-10-20 01:43:22,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:22,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47403649] [2020-10-20 01:43:22,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,774 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-10-20 01:43:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,783 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-10-20 01:43:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:43:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,785 INFO L225 Difference]: With dead ends: 72 [2020-10-20 01:43:22,785 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 01:43:22,786 INFO L677 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 [2020-10-20 01:43:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 01:43:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 01:43:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 01:43:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-20 01:43:22,792 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-10-20 01:43:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,793 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-20 01:43:22,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-20 01:43:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:43:22,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,795 INFO L422 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] [2020-10-20 01:43:22,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:22,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2020-10-20 01:43:22,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439281690] [2020-10-20 01:43:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439281690] [2020-10-20 01:43:22,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980306904] [2020-10-20 01:43:22,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,871 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-10-20 01:43:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,946 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-10-20 01:43:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:43:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,948 INFO L225 Difference]: With dead ends: 95 [2020-10-20 01:43:22,948 INFO L226 Difference]: Without dead ends: 62 [2020-10-20 01:43:22,949 INFO L677 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 [2020-10-20 01:43:22,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-20 01:43:22,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-20 01:43:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:43:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-10-20 01:43:22,960 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-10-20 01:43:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,960 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-10-20 01:43:22,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-10-20 01:43:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:43:22,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,962 INFO L422 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] [2020-10-20 01:43:22,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:22,962 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,963 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2020-10-20 01:43:22,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146708352] [2020-10-20 01:43:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146708352] [2020-10-20 01:43:23,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:23,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677277666] [2020-10-20 01:43:23,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:23,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:23,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:23,091 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-10-20 01:43:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,249 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-10-20 01:43:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:23,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:43:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,255 INFO L225 Difference]: With dead ends: 314 [2020-10-20 01:43:23,255 INFO L226 Difference]: Without dead ends: 260 [2020-10-20 01:43:23,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-20 01:43:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-10-20 01:43:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-20 01:43:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-10-20 01:43:23,275 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-10-20 01:43:23,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,276 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-10-20 01:43:23,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-10-20 01:43:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:23,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,278 INFO L422 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] [2020-10-20 01:43:23,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:23,279 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2020-10-20 01:43:23,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838745837] [2020-10-20 01:43:23,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838745837] [2020-10-20 01:43:23,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:23,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548810381] [2020-10-20 01:43:23,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:23,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:23,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,340 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-10-20 01:43:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,447 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-10-20 01:43:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:23,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:43:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,449 INFO L225 Difference]: With dead ends: 212 [2020-10-20 01:43:23,449 INFO L226 Difference]: Without dead ends: 158 [2020-10-20 01:43:23,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-20 01:43:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-10-20 01:43:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:43:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-10-20 01:43:23,488 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-10-20 01:43:23,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,493 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-10-20 01:43:23,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-10-20 01:43:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:23,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,500 INFO L422 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] [2020-10-20 01:43:23,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:23,501 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2020-10-20 01:43:23,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285304093] [2020-10-20 01:43:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285304093] [2020-10-20 01:43:23,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:23,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778152305] [2020-10-20 01:43:23,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:23,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:23,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,585 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-10-20 01:43:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,633 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-10-20 01:43:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:23,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:43:23,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,638 INFO L225 Difference]: With dead ends: 412 [2020-10-20 01:43:23,638 INFO L226 Difference]: Without dead ends: 308 [2020-10-20 01:43:23,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-20 01:43:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-10-20 01:43:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:43:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-10-20 01:43:23,672 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-10-20 01:43:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,673 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-10-20 01:43:23,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-10-20 01:43:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:23,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,674 INFO L422 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] [2020-10-20 01:43:23,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:43:23,675 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,675 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2020-10-20 01:43:23,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355886004] [2020-10-20 01:43:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355886004] [2020-10-20 01:43:23,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:23,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812254424] [2020-10-20 01:43:23,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:23,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:23,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:23,755 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-10-20 01:43:23,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,850 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-10-20 01:43:23,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:23,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-20 01:43:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,853 INFO L225 Difference]: With dead ends: 524 [2020-10-20 01:43:23,854 INFO L226 Difference]: Without dead ends: 375 [2020-10-20 01:43:23,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:43:23,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-20 01:43:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-10-20 01:43:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-20 01:43:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-10-20 01:43:23,893 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-10-20 01:43:23,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,894 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-10-20 01:43:23,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-10-20 01:43:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:23,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,899 INFO L422 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] [2020-10-20 01:43:23,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:43:23,899 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2020-10-20 01:43:23,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561815363] [2020-10-20 01:43:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561815363] [2020-10-20 01:43:24,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:24,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967243272] [2020-10-20 01:43:24,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:24,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:24,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:24,020 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-10-20 01:43:24,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,286 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-10-20 01:43:24,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 01:43:24,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:43:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,294 INFO L225 Difference]: With dead ends: 1154 [2020-10-20 01:43:24,294 INFO L226 Difference]: Without dead ends: 999 [2020-10-20 01:43:24,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-20 01:43:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-10-20 01:43:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-20 01:43:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-10-20 01:43:24,331 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-10-20 01:43:24,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,332 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-10-20 01:43:24,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-10-20 01:43:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:24,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,335 INFO L422 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] [2020-10-20 01:43:24,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:43:24,335 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2020-10-20 01:43:24,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029844273] [2020-10-20 01:43:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029844273] [2020-10-20 01:43:24,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:24,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286514652] [2020-10-20 01:43:24,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:24,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:24,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:24,407 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-10-20 01:43:24,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,625 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-10-20 01:43:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:43:24,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:43:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,627 INFO L225 Difference]: With dead ends: 687 [2020-10-20 01:43:24,627 INFO L226 Difference]: Without dead ends: 121 [2020-10-20 01:43:24,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:43:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-20 01:43:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-10-20 01:43:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-20 01:43:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-10-20 01:43:24,639 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-10-20 01:43:24,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,639 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-10-20 01:43:24,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-10-20 01:43:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:24,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:24,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:43:24,641 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,642 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2020-10-20 01:43:24,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072797382] [2020-10-20 01:43:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072797382] [2020-10-20 01:43:24,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:24,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451792249] [2020-10-20 01:43:24,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:24,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:24,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:24,699 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 5 states. [2020-10-20 01:43:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,864 INFO L93 Difference]: Finished difference Result 228 states and 273 transitions. [2020-10-20 01:43:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:43:24,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:43:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,865 INFO L225 Difference]: With dead ends: 228 [2020-10-20 01:43:24,865 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:24,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:24,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:24,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:24,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-20 01:43:24,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,867 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:24,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:24,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:24,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:43:24,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:25,058 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 87 [2020-10-20 01:43:25,333 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2020-10-20 01:43:25,446 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2020-10-20 01:43:25,841 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2020-10-20 01:43:26,078 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 110 [2020-10-20 01:43:26,355 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-10-20 01:43:26,613 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-20 01:43:26,816 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-20 01:43:27,001 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-10-20 01:43:27,245 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-10-20 01:43:27,428 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-10-20 01:43:27,647 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-20 01:43:27,807 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-10-20 01:43:28,291 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2020-10-20 01:43:28,640 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2020-10-20 01:43:28,644 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-20 01:43:28,644 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-20 01:43:28,644 INFO L274 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-10-20 01:43:28,644 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L270 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse7 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:28,646 INFO L277 CegarLoopResult]: At program point L549(lines 530 552) the Hoare annotation is: true [2020-10-20 01:43:28,646 INFO L270 CegarLoopResult]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse2) .cse1 .cse3))) [2020-10-20 01:43:28,646 INFO L270 CegarLoopResult]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2020-10-20 01:43:28,646 INFO L270 CegarLoopResult]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2020-10-20 01:43:28,646 INFO L270 CegarLoopResult]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:28,646 INFO L270 CegarLoopResult]: At program point L319(lines 272 320) the Hoare annotation is: false [2020-10-20 01:43:28,646 INFO L274 CegarLoopResult]: For program point L303(lines 303 314) no Hoare annotation was computed. [2020-10-20 01:43:28,647 INFO L270 CegarLoopResult]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-10-20 01:43:28,647 INFO L270 CegarLoopResult]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2020-10-20 01:43:28,647 INFO L270 CegarLoopResult]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-10-20 01:43:28,648 INFO L270 CegarLoopResult]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2020-10-20 01:43:28,648 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:43:28,648 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:43:28,648 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:43:28,649 INFO L270 CegarLoopResult]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse0 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse2 .cse8 .cse3 .cse4))) [2020-10-20 01:43:28,649 INFO L270 CegarLoopResult]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2020-10-20 01:43:28,649 INFO L270 CegarLoopResult]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2020-10-20 01:43:28,649 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-20 01:43:28,649 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:28,649 INFO L274 CegarLoopResult]: For program point L339(lines 339 359) no Hoare annotation was computed. [2020-10-20 01:43:28,650 INFO L274 CegarLoopResult]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2020-10-20 01:43:28,650 INFO L274 CegarLoopResult]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2020-10-20 01:43:28,650 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:28,650 INFO L270 CegarLoopResult]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse2 .cse12 .cse3 .cse13 .cse14 .cse6 .cse7) (and .cse1 .cse9 .cse10 .cse2 .cse3 .cse6 .cse7) (and .cse0 .cse8 .cse11 .cse2 .cse12 .cse3 .cse4 .cse13 .cse14 .cse5 .cse6 .cse7))) [2020-10-20 01:43:28,650 INFO L270 CegarLoopResult]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2020-10-20 01:43:28,650 INFO L270 CegarLoopResult]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2020-10-20 01:43:28,651 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)) (and (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse0 .cse2))) [2020-10-20 01:43:28,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,651 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-10-20 01:43:28,651 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-10-20 01:43:28,651 INFO L274 CegarLoopResult]: For program point L274(lines 273 318) no Hoare annotation was computed. [2020-10-20 01:43:28,652 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:43:28,652 INFO L274 CegarLoopResult]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2020-10-20 01:43:28,652 INFO L270 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse2 .cse12 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse10 .cse1 .cse11 .cse2 .cse3 .cse12 .cse13 .cse4 .cse5 .cse6))) [2020-10-20 01:43:28,652 INFO L270 CegarLoopResult]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse4 .cse5) (and .cse0 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse4) .cse3 .cse5))) [2020-10-20 01:43:28,653 INFO L270 CegarLoopResult]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-10-20 01:43:28,653 INFO L270 CegarLoopResult]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-10-20 01:43:28,653 INFO L274 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-20 01:43:28,653 INFO L270 CegarLoopResult]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-10-20 01:43:28,653 INFO L270 CegarLoopResult]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-10-20 01:43:28,653 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:28,653 INFO L274 CegarLoopResult]: For program point L540(lines 540 547) no Hoare annotation was computed. [2020-10-20 01:43:28,653 INFO L277 CegarLoopResult]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2020-10-20 01:43:28,655 INFO L274 CegarLoopResult]: For program point L309(lines 309 313) no Hoare annotation was computed. [2020-10-20 01:43:28,655 INFO L274 CegarLoopResult]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2020-10-20 01:43:28,655 INFO L274 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-10-20 01:43:28,657 INFO L270 CegarLoopResult]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-10-20 01:43:28,657 INFO L274 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-10-20 01:43:28,657 INFO L274 CegarLoopResult]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2020-10-20 01:43:28,657 INFO L274 CegarLoopResult]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2020-10-20 01:43:28,657 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-20 01:43:28,658 INFO L270 CegarLoopResult]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-10-20 01:43:28,658 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2020-10-20 01:43:28,658 INFO L270 CegarLoopResult]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2020-10-20 01:43:28,658 INFO L270 CegarLoopResult]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2020-10-20 01:43:28,659 INFO L274 CegarLoopResult]: For program point L345(lines 345 358) no Hoare annotation was computed. [2020-10-20 01:43:28,659 INFO L270 CegarLoopResult]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-10-20 01:43:28,659 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2020-10-20 01:43:28,659 INFO L270 CegarLoopResult]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2020-10-20 01:43:28,659 INFO L274 CegarLoopResult]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2020-10-20 01:43:28,659 INFO L270 CegarLoopResult]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2020-10-20 01:43:28,659 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:28,659 INFO L274 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L166(lines 166 172) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2020-10-20 01:43:28,660 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L270 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L249(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,661 INFO L274 CegarLoopResult]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,662 INFO L274 CegarLoopResult]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,662 INFO L274 CegarLoopResult]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2020-10-20 01:43:28,662 INFO L270 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:28,662 INFO L270 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-10-20 01:43:28,663 INFO L270 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-10-20 01:43:28,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:28 BoogieIcfgContainer [2020-10-20 01:43:28,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:28,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:28,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:28,732 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:28,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21" (3/4) ... [2020-10-20 01:43:28,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:28,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:28,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:28,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:28,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:28,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:28,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:28,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:28,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:43:28,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:43:28,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:43:28,824 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:43:28,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:28,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:43:28,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:28,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-10-20 01:43:28,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:28,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:28,942 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:28,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:28,944 INFO L168 Benchmark]: Toolchain (without parser) took 9005.30 ms. Allocated memory was 35.7 MB in the beginning and 98.0 MB in the end (delta: 62.4 MB). Free memory was 14.9 MB in the beginning and 31.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,944 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 33.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.42 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 14.0 MB in the beginning and 26.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.34 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 22.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,945 INFO L168 Benchmark]: Boogie Preprocessor took 63.61 ms. Allocated memory is still 45.1 MB. Free memory was 22.7 MB in the beginning and 20.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,946 INFO L168 Benchmark]: RCFGBuilder took 1028.89 ms. Allocated memory was 45.1 MB in the beginning and 51.4 MB in the end (delta: 6.3 MB). Free memory was 20.0 MB in the beginning and 31.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,947 INFO L168 Benchmark]: TraceAbstraction took 6779.13 ms. Allocated memory was 51.4 MB in the beginning and 98.0 MB in the end (delta: 46.7 MB). Free memory was 31.5 MB in the beginning and 43.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 67.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,947 INFO L168 Benchmark]: Witness Printer took 210.42 ms. Allocated memory is still 98.0 MB. Free memory was 43.5 MB in the beginning and 31.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:28,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 33.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 831.42 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 14.0 MB in the beginning and 26.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 79.34 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 22.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 63.61 ms. Allocated memory is still 45.1 MB. Free memory was 22.7 MB in the beginning and 20.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1028.89 ms. Allocated memory was 45.1 MB in the beginning and 51.4 MB in the end (delta: 6.3 MB). Free memory was 20.0 MB in the beginning and 31.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6779.13 ms. Allocated memory was 51.4 MB in the beginning and 98.0 MB in the end (delta: 46.7 MB). Free memory was 31.5 MB in the beginning and 43.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 67.7 MB. Max. memory is 14.3 GB. * Witness Printer took 210.42 ms. Allocated memory is still 98.0 MB. Free memory was 43.5 MB in the beginning and 31.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 283]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 992 SDtfs, 1316 SDslu, 1679 SDs, 0 SdLazy, 236 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 186 NumberOfFragments, 1046 HoareAnnotationTreeSize, 39 FomulaSimplifications, 151870 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 39 FomulaSimplificationsInter, 10499 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 19459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...