./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_spec2_product50.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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:42:34,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:34,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:34,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:34,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:34,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:34,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:34,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:34,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:34,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:34,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:34,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:34,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:34,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:34,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:34,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:34,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:34,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:34,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:34,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:34,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:34,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:34,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:34,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:34,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:34,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:34,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:34,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:34,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:34,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:34,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:34,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:34,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:34,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:34,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:34,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:34,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:34,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:34,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:34,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:34,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:34,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:34,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:34,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:34,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:34,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:34,915 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:34,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:34,916 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:34,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:34,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:34,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:34,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:34,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:34,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:34,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:34,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:34,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:34,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:34,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:34,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:34,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:34,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:34,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:34,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:34,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:34,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:34,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:34,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:34,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:34,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:34,922 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 -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-10-20 01:42:35,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:35,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:35,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:35,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:35,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:35,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-10-20 01:42:35,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d20f6816/4e23e20cab694e0f83e19e65f1500050/FLAGb5d82d8f6 [2020-10-20 01:42:35,845 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:35,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-10-20 01:42:35,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d20f6816/4e23e20cab694e0f83e19e65f1500050/FLAGb5d82d8f6 [2020-10-20 01:42:36,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d20f6816/4e23e20cab694e0f83e19e65f1500050 [2020-10-20 01:42:36,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:36,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:36,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:36,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:36,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:36,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557efa49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36, skipping insertion in model container [2020-10-20 01:42:36,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:36,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:36,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:36,652 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:36,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:36,825 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:36,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36 WrapperNode [2020-10-20 01:42:36,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:36,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:36,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:36,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:36,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:36,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:36,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:36,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:36,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (1/1) ... [2020-10-20 01:42:36,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:36,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:36,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:36,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:36,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (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 01:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:38,039 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:38,039 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-20 01:42:38,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:38 BoogieIcfgContainer [2020-10-20 01:42:38,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:38,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:38,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:38,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:38,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:36" (1/3) ... [2020-10-20 01:42:38,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353ad8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:38, skipping insertion in model container [2020-10-20 01:42:38,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:36" (2/3) ... [2020-10-20 01:42:38,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353ad8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:38, skipping insertion in model container [2020-10-20 01:42:38,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:38" (3/3) ... [2020-10-20 01:42:38,050 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-10-20 01:42:38,062 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:38,071 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:38,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:38,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:38,110 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:38,110 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:38,111 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:38,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:38,111 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:38,112 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:38,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-10-20 01:42:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:38,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,139 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 01:42:38,140 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1554341699, now seen corresponding path program 1 times [2020-10-20 01:42:38,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575767838] [2020-10-20 01:42:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,486 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 01:42:38,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575767838] [2020-10-20 01:42:38,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:38,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830845919] [2020-10-20 01:42:38,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:38,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:38,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:38,510 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-10-20 01:42:38,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:38,546 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-10-20 01:42:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:38,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:38,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,559 INFO L225 Difference]: With dead ends: 238 [2020-10-20 01:42:38,559 INFO L226 Difference]: Without dead ends: 117 [2020-10-20 01:42:38,563 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 01:42:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-20 01:42:38,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-10-20 01:42:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-20 01:42:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-10-20 01:42:38,611 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-10-20 01:42:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,612 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-10-20 01:42:38,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-10-20 01:42:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:38,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,614 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 01:42:38,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:38,614 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,615 INFO L82 PathProgramCache]: Analyzing trace with hash 955831619, now seen corresponding path program 1 times [2020-10-20 01:42:38,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003237843] [2020-10-20 01:42:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,737 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 01:42:38,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003237843] [2020-10-20 01:42:38,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:38,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490672636] [2020-10-20 01:42:38,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:38,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:38,742 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-10-20 01:42:38,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:38,770 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-10-20 01:42:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:38,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,772 INFO L225 Difference]: With dead ends: 117 [2020-10-20 01:42:38,773 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:42:38,774 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 01:42:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:42:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:42:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:42:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-10-20 01:42:38,782 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-10-20 01:42:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,783 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-10-20 01:42:38,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-10-20 01:42:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:38,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,784 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 01:42:38,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:38,785 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,786 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-10-20 01:42:38,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962072545] [2020-10-20 01:42:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,956 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 01:42:38,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962072545] [2020-10-20 01:42:38,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:38,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551369740] [2020-10-20 01:42:38,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:38,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:38,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:38,963 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-10-20 01:42:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,041 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-10-20 01:42:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:39,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,047 INFO L225 Difference]: With dead ends: 91 [2020-10-20 01:42:39,047 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:42:39,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:39,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:42:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:42:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:42:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-10-20 01:42:39,062 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-10-20 01:42:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,063 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-10-20 01:42:39,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-10-20 01:42:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:39,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,067 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] [2020-10-20 01:42:39,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:39,068 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-10-20 01:42:39,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387599955] [2020-10-20 01:42:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,150 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 01:42:39,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387599955] [2020-10-20 01:42:39,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:39,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460989200] [2020-10-20 01:42:39,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:39,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:39,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:39,153 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-10-20 01:42:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,194 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-10-20 01:42:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:39,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:42:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,196 INFO L225 Difference]: With dead ends: 113 [2020-10-20 01:42:39,196 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:42:39,198 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 01:42:39,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:42:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-10-20 01:42:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-20 01:42:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-10-20 01:42:39,208 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-10-20 01:42:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,208 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-10-20 01:42:39,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-10-20 01:42:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:42:39,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,210 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 01:42:39,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:39,211 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,212 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-10-20 01:42:39,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056904801] [2020-10-20 01:42:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,294 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 01:42:39,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056904801] [2020-10-20 01:42:39,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:39,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270856832] [2020-10-20 01:42:39,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:39,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:39,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:39,296 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-10-20 01:42:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,394 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-10-20 01:42:39,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:39,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:42:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,396 INFO L225 Difference]: With dead ends: 182 [2020-10-20 01:42:39,396 INFO L226 Difference]: Without dead ends: 120 [2020-10-20 01:42:39,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-20 01:42:39,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-10-20 01:42:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-20 01:42:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-10-20 01:42:39,408 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-10-20 01:42:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,408 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-10-20 01:42:39,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-10-20 01:42:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:42:39,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,410 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 01:42:39,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:39,410 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,411 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-10-20 01:42:39,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008994628] [2020-10-20 01:42:39,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,480 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 01:42:39,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008994628] [2020-10-20 01:42:39,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:39,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784146766] [2020-10-20 01:42:39,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:39,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:39,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:39,482 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-10-20 01:42:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,588 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-10-20 01:42:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:39,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:42:39,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,591 INFO L225 Difference]: With dead ends: 387 [2020-10-20 01:42:39,591 INFO L226 Difference]: Without dead ends: 319 [2020-10-20 01:42:39,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-20 01:42:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-10-20 01:42:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-20 01:42:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-10-20 01:42:39,613 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-10-20 01:42:39,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,613 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-10-20 01:42:39,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-10-20 01:42:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:39,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,615 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] [2020-10-20 01:42:39,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:39,616 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,616 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-10-20 01:42:39,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612694964] [2020-10-20 01:42:39,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,703 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 01:42:39,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612694964] [2020-10-20 01:42:39,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:39,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392967168] [2020-10-20 01:42:39,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:39,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:39,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:39,707 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-10-20 01:42:39,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,870 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-10-20 01:42:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:39,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:42:39,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,875 INFO L225 Difference]: With dead ends: 506 [2020-10-20 01:42:39,875 INFO L226 Difference]: Without dead ends: 378 [2020-10-20 01:42:39,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-10-20 01:42:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-10-20 01:42:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-20 01:42:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-10-20 01:42:39,895 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-10-20 01:42:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,895 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-10-20 01:42:39,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-10-20 01:42:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:39,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,898 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] [2020-10-20 01:42:39,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:39,899 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,899 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-10-20 01:42:39,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744655740] [2020-10-20 01:42:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,963 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 01:42:39,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744655740] [2020-10-20 01:42:39,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:39,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343488665] [2020-10-20 01:42:39,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:39,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:39,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:39,966 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-10-20 01:42:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,085 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-10-20 01:42:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:40,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-20 01:42:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,088 INFO L225 Difference]: With dead ends: 357 [2020-10-20 01:42:40,088 INFO L226 Difference]: Without dead ends: 230 [2020-10-20 01:42:40,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:42:40,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-20 01:42:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-10-20 01:42:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-20 01:42:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-10-20 01:42:40,108 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-10-20 01:42:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,108 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-10-20 01:42:40,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-10-20 01:42:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:40,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:40,111 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] [2020-10-20 01:42:40,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:40,111 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:40,112 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-10-20 01:42:40,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:40,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808429567] [2020-10-20 01:42:40,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:40,164 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 01:42:40,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808429567] [2020-10-20 01:42:40,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:40,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:40,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136994854] [2020-10-20 01:42:40,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:40,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:40,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:40,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:40,167 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-10-20 01:42:40,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,205 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-10-20 01:42:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:40,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 01:42:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,208 INFO L225 Difference]: With dead ends: 327 [2020-10-20 01:42:40,208 INFO L226 Difference]: Without dead ends: 192 [2020-10-20 01:42:40,209 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 01:42:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-20 01:42:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-10-20 01:42:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-20 01:42:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-10-20 01:42:40,249 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-10-20 01:42:40,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,250 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-10-20 01:42:40,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-10-20 01:42:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:40,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:40,252 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] [2020-10-20 01:42:40,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:40,252 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:40,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:40,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-10-20 01:42:40,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:40,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157704376] [2020-10-20 01:42:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:40,298 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 01:42:40,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157704376] [2020-10-20 01:42:40,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:40,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:40,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080040843] [2020-10-20 01:42:40,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:40,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:40,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:40,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:40,300 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-10-20 01:42:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,346 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-10-20 01:42:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:40,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:42:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,349 INFO L225 Difference]: With dead ends: 295 [2020-10-20 01:42:40,349 INFO L226 Difference]: Without dead ends: 293 [2020-10-20 01:42:40,350 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 01:42:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-20 01:42:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-10-20 01:42:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-20 01:42:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-10-20 01:42:40,373 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-10-20 01:42:40,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,373 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-10-20 01:42:40,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-10-20 01:42:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:40,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:40,375 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:40,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:40,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:40,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:40,376 INFO L82 PathProgramCache]: Analyzing trace with hash 558378804, now seen corresponding path program 1 times [2020-10-20 01:42:40,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:40,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508199933] [2020-10-20 01:42:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:40,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508199933] [2020-10-20 01:42:40,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:40,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:40,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633472190] [2020-10-20 01:42:40,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:40,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:40,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:40,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:40,464 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2020-10-20 01:42:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,630 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-10-20 01:42:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:40,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-20 01:42:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,632 INFO L225 Difference]: With dead ends: 374 [2020-10-20 01:42:40,632 INFO L226 Difference]: Without dead ends: 197 [2020-10-20 01:42:40,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:40,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-20 01:42:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-10-20 01:42:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-20 01:42:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-10-20 01:42:40,656 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-10-20 01:42:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,657 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-10-20 01:42:40,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-10-20 01:42:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:40,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:40,658 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:40,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:40,659 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:40,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:40,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797080, now seen corresponding path program 1 times [2020-10-20 01:42:40,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:40,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679268400] [2020-10-20 01:42:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:40,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679268400] [2020-10-20 01:42:40,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:40,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:42:40,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15965900] [2020-10-20 01:42:40,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:42:40,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:40,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:42:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:40,763 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2020-10-20 01:42:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,892 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2020-10-20 01:42:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:40,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-20 01:42:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,896 INFO L225 Difference]: With dead ends: 528 [2020-10-20 01:42:40,896 INFO L226 Difference]: Without dead ends: 388 [2020-10-20 01:42:40,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-20 01:42:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2020-10-20 01:42:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-20 01:42:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-10-20 01:42:40,923 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-10-20 01:42:40,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,924 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-10-20 01:42:40,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:42:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-10-20 01:42:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:40,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:40,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:40,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:40,926 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:40,927 INFO L82 PathProgramCache]: Analyzing trace with hash 789631642, now seen corresponding path program 1 times [2020-10-20 01:42:40,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:40,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687202171] [2020-10-20 01:42:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:41,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687202171] [2020-10-20 01:42:41,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:41,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:41,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696422682] [2020-10-20 01:42:41,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:41,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:41,203 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-10-20 01:42:41,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:41,437 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-10-20 01:42:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:41,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-20 01:42:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:41,438 INFO L225 Difference]: With dead ends: 485 [2020-10-20 01:42:41,438 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:41,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:41,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:41,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-20 01:42:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:41,443 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:41,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:41,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:41,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:42:41,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:41,650 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2020-10-20 01:42:41,825 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-10-20 01:42:42,129 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-10-20 01:42:42,277 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-10-20 01:42:42,483 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2020-10-20 01:42:42,633 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2020-10-20 01:42:42,811 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-10-20 01:42:43,166 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-20 01:42:43,354 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-20 01:42:43,519 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-20 01:42:43,856 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-20 01:42:44,030 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-10-20 01:42:44,200 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-20 01:42:44,492 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-10-20 01:42:44,883 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-10-20 01:42:45,055 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-20 01:42:45,211 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-10-20 01:42:45,217 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,217 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,217 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,217 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,217 INFO L274 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-10-20 01:42:45,218 INFO L277 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-10-20 01:42:45,218 INFO L270 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-10-20 01:42:45,218 INFO L274 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-10-20 01:42:45,218 INFO L274 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-10-20 01:42:45,218 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-10-20 01:42:45,218 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:45,218 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-10-20 01:42:45,220 INFO L270 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:42:45,220 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:45,221 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-10-20 01:42:45,221 INFO L270 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-10-20 01:42:45,221 INFO L274 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-10-20 01:42:45,221 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:45,221 INFO L270 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-10-20 01:42:45,222 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,222 INFO L274 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,222 INFO L274 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,223 INFO L274 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,223 INFO L274 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,223 INFO L274 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,223 INFO L274 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,224 INFO L274 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,225 INFO L274 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,226 INFO L274 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,227 INFO L274 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,227 INFO L274 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-10-20 01:42:45,227 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-10-20 01:42:45,228 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-10-20 01:42:45,228 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-10-20 01:42:45,229 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-10-20 01:42:45,230 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-10-20 01:42:45,230 INFO L274 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-10-20 01:42:45,230 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-10-20 01:42:45,233 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-10-20 01:42:45,234 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:45,234 INFO L274 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-10-20 01:42:45,234 INFO L274 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-10-20 01:42:45,235 INFO L270 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:42:45,235 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,235 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-10-20 01:42:45,235 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-10-20 01:42:45,235 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-10-20 01:42:45,236 INFO L270 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:45,237 INFO L274 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,237 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,237 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,237 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,237 INFO L274 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,238 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-10-20 01:42:45,238 INFO L270 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5))) [2020-10-20 01:42:45,238 INFO L274 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-10-20 01:42:45,238 INFO L270 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-10-20 01:42:45,238 INFO L270 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-10-20 01:42:45,239 INFO L277 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-10-20 01:42:45,239 INFO L270 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-10-20 01:42:45,239 INFO L270 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse7 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse5 .cse6 .cse7 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse8) (and .cse7 (= ~methaneLevelCritical~0 0) .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse6 .cse10) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse10))) [2020-10-20 01:42:45,239 INFO L270 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-10-20 01:42:45,240 INFO L270 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-10-20 01:42:45,240 INFO L270 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-10-20 01:42:45,240 INFO L270 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-10-20 01:42:45,240 INFO L274 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,240 INFO L274 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,240 INFO L274 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,241 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,242 INFO L274 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-10-20 01:42:45,243 INFO L274 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,243 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:42:45,243 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:42:45,243 INFO L274 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-10-20 01:42:45,243 INFO L270 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-10-20 01:42:45,244 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:45,244 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-10-20 01:42:45,244 INFO L270 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-10-20 01:42:45,244 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-10-20 01:42:45,244 INFO L274 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-10-20 01:42:45,245 INFO L274 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-10-20 01:42:45,245 INFO L270 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-10-20 01:42:45,245 INFO L270 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse8))) [2020-10-20 01:42:45,245 INFO L270 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-10-20 01:42:45,246 INFO L270 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-10-20 01:42:45,246 INFO L270 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-10-20 01:42:45,246 INFO L270 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-10-20 01:42:45,246 INFO L274 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-10-20 01:42:45,247 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-20 01:42:45,247 INFO L270 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7))) [2020-10-20 01:42:45,248 INFO L270 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-10-20 01:42:45,248 INFO L270 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-10-20 01:42:45,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:45,249 INFO L270 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-10-20 01:42:45,249 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,249 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,249 INFO L274 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,249 INFO L274 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,250 INFO L274 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,250 INFO L274 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-10-20 01:42:45,250 INFO L270 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:45,250 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-20 01:42:45,250 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-10-20 01:42:45,251 INFO L270 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:42:45,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:45,251 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-10-20 01:42:45,251 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-10-20 01:42:45,252 INFO L274 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-10-20 01:42:45,252 INFO L270 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:45,252 INFO L270 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-10-20 01:42:45,252 INFO L270 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-10-20 01:42:45,252 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:45,253 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:45,253 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-10-20 01:42:45,253 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:42:45,253 INFO L270 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:45,254 INFO L270 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-10-20 01:42:45,254 INFO L270 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-10-20 01:42:45,254 INFO L270 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:45,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:45 BoogieIcfgContainer [2020-10-20 01:42:45,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:45,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:45,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:45,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:45,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:38" (3/4) ... [2020-10-20 01:42:45,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:45,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:45,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:45,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:45,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:45,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:45,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:45,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:45,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:45,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:45,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:45,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:45,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:42:45,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:45,378 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:45,378 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:42:45,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:45,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:45,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:45,472 INFO L168 Benchmark]: Toolchain (without parser) took 9302.63 ms. Allocated memory was 38.3 MB in the beginning and 118.0 MB in the end (delta: 79.7 MB). Free memory was 19.9 MB in the beginning and 74.9 MB in the end (delta: -55.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,473 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 35.1 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.62 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.1 MB in the beginning and 16.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.79 ms. Allocated memory was 46.1 MB in the beginning and 47.2 MB in the end (delta: 1.0 MB). Free memory was 16.1 MB in the beginning and 26.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,474 INFO L168 Benchmark]: Boogie Preprocessor took 45.49 ms. Allocated memory is still 47.2 MB. Free memory was 26.1 MB in the beginning and 23.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,475 INFO L168 Benchmark]: RCFGBuilder took 1064.66 ms. Allocated memory was 47.2 MB in the beginning and 51.9 MB in the end (delta: 4.7 MB). Free memory was 23.3 MB in the beginning and 20.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,475 INFO L168 Benchmark]: TraceAbstraction took 7264.16 ms. Allocated memory was 51.9 MB in the beginning and 118.0 MB in the end (delta: 66.1 MB). Free memory was 20.5 MB in the beginning and 89.3 MB in the end (delta: -68.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,475 INFO L168 Benchmark]: Witness Printer took 164.02 ms. Allocated memory is still 118.0 MB. Free memory was 89.3 MB in the beginning and 74.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:45,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 35.1 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 649.62 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.1 MB in the beginning and 16.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 103.79 ms. Allocated memory was 46.1 MB in the beginning and 47.2 MB in the end (delta: 1.0 MB). Free memory was 16.1 MB in the beginning and 26.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 45.49 ms. Allocated memory is still 47.2 MB. Free memory was 26.1 MB in the beginning and 23.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1064.66 ms. Allocated memory was 47.2 MB in the beginning and 51.9 MB in the end (delta: 4.7 MB). Free memory was 23.3 MB in the beginning and 20.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7264.16 ms. Allocated memory was 51.9 MB in the beginning and 118.0 MB in the end (delta: 66.1 MB). Free memory was 20.5 MB in the beginning and 89.3 MB in the end (delta: -68.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 14.3 GB. * Witness Printer took 164.02 ms. Allocated memory is still 118.0 MB. Free memory was 89.3 MB in the beginning and 74.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, 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, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1065 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463335 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9569 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...