./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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 078eafdb571868894c038a80ec14b552193cf718 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:08:28,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:08:28,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:08:29,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:08:29,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:08:29,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:08:29,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:08:29,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:08:29,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:08:29,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:08:29,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:08:29,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:08:29,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:08:29,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:08:29,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:08:29,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:08:29,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:08:29,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:08:29,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:08:29,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:08:29,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:08:29,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:08:29,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:08:29,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:08:29,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:08:29,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:08:29,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:08:29,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:08:29,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:08:29,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:08:29,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:08:29,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:08:29,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:08:29,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:08:29,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:08:29,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:08:29,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:08:29,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:08:29,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:08:29,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:08:29,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:08:29,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:08:29,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:08:29,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:08:29,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:08:29,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:08:29,158 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:08:29,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:08:29,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:08:29,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:08:29,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:08:29,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:08:29,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:08:29,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:08:29,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:08:29,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:08:29,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:08:29,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:08:29,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:08:29,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:08:29,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:08:29,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:08:29,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:08:29,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:08:29,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:08:29,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:08:29,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 078eafdb571868894c038a80ec14b552193cf718 [2020-10-25 23:08:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:08:29,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:08:29,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:08:29,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:08:29,618 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:08:29,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-10-25 23:08:29,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7fbab18/ae4a056621274c39a66c63e03a352847/FLAG8933889ea [2020-10-25 23:08:30,527 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:08:30,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-10-25 23:08:30,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7fbab18/ae4a056621274c39a66c63e03a352847/FLAG8933889ea [2020-10-25 23:08:30,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7fbab18/ae4a056621274c39a66c63e03a352847 [2020-10-25 23:08:30,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:08:30,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:08:30,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:30,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:08:30,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:08:30,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:30" (1/1) ... [2020-10-25 23:08:30,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c098c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:30, skipping insertion in model container [2020-10-25 23:08:30,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:30" (1/1) ... [2020-10-25 23:08:30,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:08:30,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:08:31,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:31,307 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:08:31,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:31,551 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:08:31,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31 WrapperNode [2020-10-25 23:08:31,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:31,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:31,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:08:31,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:08:31,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:31,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:08:31,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:08:31,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:08:31,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (1/1) ... [2020-10-25 23:08:31,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:08:31,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:08:31,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:08:31,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:08:31,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (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 [2020-10-25 23:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:08:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:08:32,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:08:32,978 INFO L298 CfgBuilder]: Removed 116 assume(true) statements. [2020-10-25 23:08:32,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:32 BoogieIcfgContainer [2020-10-25 23:08:32,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:08:32,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:08:32,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:08:32,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:08:32,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:08:30" (1/3) ... [2020-10-25 23:08:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e33d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:32, skipping insertion in model container [2020-10-25 23:08:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:31" (2/3) ... [2020-10-25 23:08:32,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e33d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:32, skipping insertion in model container [2020-10-25 23:08:32,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:32" (3/3) ... [2020-10-25 23:08:32,996 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-10-25 23:08:33,010 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:08:33,016 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:08:33,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:08:33,064 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:08:33,064 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:08:33,064 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:08:33,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:08:33,064 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:08:33,064 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:08:33,065 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:08:33,065 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:08:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-25 23:08:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:08:33,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:33,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:33,098 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:33,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1333786057, now seen corresponding path program 1 times [2020-10-25 23:08:33,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:33,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145084078] [2020-10-25 23:08:33,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:33,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145084078] [2020-10-25 23:08:33,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:33,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:33,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617248600] [2020-10-25 23:08:33,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:08:33,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:33,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:08:33,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:08:33,413 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-10-25 23:08:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:33,446 INFO L93 Difference]: Finished difference Result 170 states and 253 transitions. [2020-10-25 23:08:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:08:33,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-25 23:08:33,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:33,460 INFO L225 Difference]: With dead ends: 170 [2020-10-25 23:08:33,461 INFO L226 Difference]: Without dead ends: 83 [2020-10-25 23:08:33,465 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 [2020-10-25 23:08:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-25 23:08:33,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-25 23:08:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-25 23:08:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-10-25 23:08:33,513 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-10-25 23:08:33,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:33,514 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-10-25 23:08:33,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:08:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-10-25 23:08:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 23:08:33,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:33,516 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] [2020-10-25 23:08:33,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:08:33,516 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:33,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1155161686, now seen corresponding path program 1 times [2020-10-25 23:08:33,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:33,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329861176] [2020-10-25 23:08:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:33,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329861176] [2020-10-25 23:08:33,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:33,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:33,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549134160] [2020-10-25 23:08:33,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:33,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:33,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:33,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:33,674 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-10-25 23:08:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:33,699 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-10-25 23:08:33,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:33,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-25 23:08:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:33,702 INFO L225 Difference]: With dead ends: 83 [2020-10-25 23:08:33,702 INFO L226 Difference]: Without dead ends: 38 [2020-10-25 23:08:33,703 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 [2020-10-25 23:08:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-25 23:08:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-25 23:08:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-25 23:08:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-10-25 23:08:33,710 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-10-25 23:08:33,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:33,711 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-10-25 23:08:33,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-10-25 23:08:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:08:33,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:33,712 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] [2020-10-25 23:08:33,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:08:33,713 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:33,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:33,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2020-10-25 23:08:33,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:33,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188785126] [2020-10-25 23:08:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:33,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188785126] [2020-10-25 23:08:33,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:33,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:33,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045365451] [2020-10-25 23:08:33,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:33,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:33,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:33,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:33,810 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-10-25 23:08:33,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:33,820 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-10-25 23:08:33,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:33,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:08:33,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:33,822 INFO L225 Difference]: With dead ends: 69 [2020-10-25 23:08:33,823 INFO L226 Difference]: Without dead ends: 38 [2020-10-25 23:08:33,823 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 [2020-10-25 23:08:33,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-25 23:08:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-25 23:08:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-25 23:08:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-10-25 23:08:33,830 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-10-25 23:08:33,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:33,830 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-10-25 23:08:33,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-10-25 23:08:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:08:33,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:33,832 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] [2020-10-25 23:08:33,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:08:33,833 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:33,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2020-10-25 23:08:33,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:33,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162460679] [2020-10-25 23:08:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:33,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162460679] [2020-10-25 23:08:33,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:33,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:33,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615733644] [2020-10-25 23:08:33,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:33,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:33,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:33,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:33,950 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-10-25 23:08:33,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:33,997 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-10-25 23:08:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:33,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-25 23:08:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:33,999 INFO L225 Difference]: With dead ends: 93 [2020-10-25 23:08:33,999 INFO L226 Difference]: Without dead ends: 62 [2020-10-25 23:08:34,000 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 [2020-10-25 23:08:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-25 23:08:34,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-25 23:08:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-25 23:08:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-10-25 23:08:34,010 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-10-25 23:08:34,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,010 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-10-25 23:08:34,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-10-25 23:08:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:34,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,012 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] [2020-10-25 23:08:34,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:08:34,012 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2020-10-25 23:08:34,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695423121] [2020-10-25 23:08:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:34,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695423121] [2020-10-25 23:08:34,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:34,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:34,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137688157] [2020-10-25 23:08:34,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:34,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:34,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:34,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:34,109 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-10-25 23:08:34,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:34,205 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-10-25 23:08:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:34,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:08:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:34,208 INFO L225 Difference]: With dead ends: 157 [2020-10-25 23:08:34,208 INFO L226 Difference]: Without dead ends: 104 [2020-10-25 23:08:34,209 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 [2020-10-25 23:08:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-25 23:08:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-10-25 23:08:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-25 23:08:34,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-10-25 23:08:34,219 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-10-25 23:08:34,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,220 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-10-25 23:08:34,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-10-25 23:08:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:34,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,222 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] [2020-10-25 23:08:34,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:08:34,222 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2020-10-25 23:08:34,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884055095] [2020-10-25 23:08:34,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:34,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884055095] [2020-10-25 23:08:34,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:34,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:08:34,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362527824] [2020-10-25 23:08:34,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:34,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:34,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:34,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:34,403 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-10-25 23:08:34,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:34,574 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-10-25 23:08:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:34,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:08:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:34,577 INFO L225 Difference]: With dead ends: 216 [2020-10-25 23:08:34,577 INFO L226 Difference]: Without dead ends: 160 [2020-10-25 23:08:34,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:08:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-25 23:08:34,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-10-25 23:08:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-25 23:08:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-10-25 23:08:34,590 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-10-25 23:08:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,591 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-10-25 23:08:34,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-10-25 23:08:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:34,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,592 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] [2020-10-25 23:08:34,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:08:34,593 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2020-10-25 23:08:34,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798778013] [2020-10-25 23:08:34,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:34,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798778013] [2020-10-25 23:08:34,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:34,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:34,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025523969] [2020-10-25 23:08:34,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:34,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:34,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:34,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:34,670 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-10-25 23:08:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:34,787 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-10-25 23:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:34,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:08:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:34,789 INFO L225 Difference]: With dead ends: 164 [2020-10-25 23:08:34,789 INFO L226 Difference]: Without dead ends: 109 [2020-10-25 23:08:34,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:08:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-25 23:08:34,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-10-25 23:08:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-25 23:08:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-10-25 23:08:34,801 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-10-25 23:08:34,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,801 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-10-25 23:08:34,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-10-25 23:08:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:34,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,803 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] [2020-10-25 23:08:34,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:08:34,803 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2020-10-25 23:08:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034829148] [2020-10-25 23:08:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:34,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034829148] [2020-10-25 23:08:34,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:34,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:34,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247691622] [2020-10-25 23:08:34,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:34,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:34,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:34,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:34,886 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-10-25 23:08:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:34,925 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-10-25 23:08:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:34,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-25 23:08:34,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:34,927 INFO L225 Difference]: With dead ends: 148 [2020-10-25 23:08:34,927 INFO L226 Difference]: Without dead ends: 91 [2020-10-25 23:08:34,928 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 [2020-10-25 23:08:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-25 23:08:34,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-25 23:08:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-25 23:08:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-10-25 23:08:34,939 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-10-25 23:08:34,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,940 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-10-25 23:08:34,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-10-25 23:08:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:34,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,942 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] [2020-10-25 23:08:34,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:08:34,942 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,943 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2020-10-25 23:08:34,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724314138] [2020-10-25 23:08:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:35,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724314138] [2020-10-25 23:08:35,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:35,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:08:35,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235869718] [2020-10-25 23:08:35,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:08:35,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:35,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:08:35,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:08:35,123 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2020-10-25 23:08:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:35,524 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2020-10-25 23:08:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:08:35,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-25 23:08:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:35,529 INFO L225 Difference]: With dead ends: 420 [2020-10-25 23:08:35,529 INFO L226 Difference]: Without dead ends: 363 [2020-10-25 23:08:35,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-25 23:08:35,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-25 23:08:35,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2020-10-25 23:08:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-25 23:08:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-10-25 23:08:35,581 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2020-10-25 23:08:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:35,581 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-10-25 23:08:35,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:08:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-10-25 23:08:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-25 23:08:35,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:35,590 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] [2020-10-25 23:08:35,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:08:35,591 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:35,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:35,591 INFO L82 PathProgramCache]: Analyzing trace with hash -23516474, now seen corresponding path program 1 times [2020-10-25 23:08:35,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:35,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853710784] [2020-10-25 23:08:35,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:35,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853710784] [2020-10-25 23:08:35,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352333745] [2020-10-25 23:08:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 23:08:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 23:08:35,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:08:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:36,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:08:36,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-25 23:08:36,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757594345] [2020-10-25 23:08:36,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 23:08:36,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:36,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 23:08:36,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:08:36,180 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2020-10-25 23:08:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:36,479 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2020-10-25 23:08:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:36,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-10-25 23:08:36,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:36,480 INFO L225 Difference]: With dead ends: 282 [2020-10-25 23:08:36,480 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:08:36,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:08:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:08:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:08:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:08:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:08:36,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-25 23:08:36,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:36,482 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:08:36,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 23:08:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:08:36,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:08:36,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 23:08:36,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:08:37,213 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-25 23:08:37,407 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2020-10-25 23:08:37,545 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-10-25 23:08:37,691 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-25 23:08:37,865 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-10-25 23:08:38,052 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-10-25 23:08:38,288 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2020-10-25 23:08:38,436 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2020-10-25 23:08:38,545 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-10-25 23:08:38,669 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-25 23:08:38,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,674 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L270 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,675 INFO L274 CegarLoopResult]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,676 INFO L274 CegarLoopResult]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,676 INFO L274 CegarLoopResult]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2020-10-25 23:08:38,676 INFO L270 CegarLoopResult]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse3 .cse5 .cse6 .cse4))) [2020-10-25 23:08:38,676 INFO L270 CegarLoopResult]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-10-25 23:08:38,676 INFO L270 CegarLoopResult]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2020-10-25 23:08:38,676 INFO L270 CegarLoopResult]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2020-10-25 23:08:38,677 INFO L270 CegarLoopResult]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2020-10-25 23:08:38,677 INFO L270 CegarLoopResult]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2020-10-25 23:08:38,677 INFO L270 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse4) .cse1 .cse3) (and .cse6 .cse4 .cse1 .cse3 .cse5))) [2020-10-25 23:08:38,677 INFO L270 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2020-10-25 23:08:38,677 INFO L270 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2020-10-25 23:08:38,677 INFO L274 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-10-25 23:08:38,677 INFO L277 CegarLoopResult]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L533(lines 533 541) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L913(lines 913 923) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L270 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2020-10-25 23:08:38,678 INFO L274 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-10-25 23:08:38,679 INFO L274 CegarLoopResult]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2020-10-25 23:08:38,679 INFO L274 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-10-25 23:08:38,679 INFO L274 CegarLoopResult]: For program point L782-2(line 782) no Hoare annotation was computed. [2020-10-25 23:08:38,679 INFO L274 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-10-25 23:08:38,679 INFO L270 CegarLoopResult]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:08:38,679 INFO L270 CegarLoopResult]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2020-10-25 23:08:38,679 INFO L270 CegarLoopResult]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:38,680 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2020-10-25 23:08:38,680 INFO L274 CegarLoopResult]: For program point L818(lines 818 822) no Hoare annotation was computed. [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-25 23:08:38,680 INFO L270 CegarLoopResult]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2020-10-25 23:08:38,681 INFO L270 CegarLoopResult]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-10-25 23:08:38,681 INFO L274 CegarLoopResult]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2020-10-25 23:08:38,682 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2020-10-25 23:08:38,682 INFO L270 CegarLoopResult]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:38,682 INFO L274 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-10-25 23:08:38,682 INFO L270 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-25 23:08:38,682 INFO L270 CegarLoopResult]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:38,682 INFO L274 CegarLoopResult]: For program point L806(lines 806 810) no Hoare annotation was computed. [2020-10-25 23:08:38,682 INFO L277 CegarLoopResult]: At program point L773(lines 754 776) the Hoare annotation is: true [2020-10-25 23:08:38,683 INFO L270 CegarLoopResult]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2020-10-25 23:08:38,683 INFO L270 CegarLoopResult]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point L529(lines 529 546) no Hoare annotation was computed. [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2020-10-25 23:08:38,683 INFO L274 CegarLoopResult]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2020-10-25 23:08:38,684 INFO L274 CegarLoopResult]: For program point L909(lines 909 926) no Hoare annotation was computed. [2020-10-25 23:08:38,684 INFO L270 CegarLoopResult]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-25 23:08:38,684 INFO L270 CegarLoopResult]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2020-10-25 23:08:38,684 INFO L270 CegarLoopResult]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2020-10-25 23:08:38,684 INFO L274 CegarLoopResult]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2020-10-25 23:08:38,684 INFO L270 CegarLoopResult]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2020-10-25 23:08:38,684 INFO L270 CegarLoopResult]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L270 CegarLoopResult]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L274 CegarLoopResult]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2020-10-25 23:08:38,685 INFO L270 CegarLoopResult]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse3))) [2020-10-25 23:08:38,685 INFO L270 CegarLoopResult]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2020-10-25 23:08:38,686 INFO L270 CegarLoopResult]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2020-10-25 23:08:38,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:38 BoogieIcfgContainer [2020-10-25 23:08:38,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:38,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:38,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:38,719 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:38,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:32" (3/4) ... [2020-10-25 23:08:38,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:38,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:38,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:38,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:38,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:38,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:38,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:38,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:38,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:38,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:08:38,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:08:38,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:38,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:38,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:08:38,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:08:38,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-10-25 23:08:38,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:38,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:08:38,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:38,893 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:38,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:38,894 INFO L168 Benchmark]: Toolchain (without parser) took 8118.12 ms. Allocated memory was 52.4 MB in the beginning and 111.1 MB in the end (delta: 58.7 MB). Free memory was 29.4 MB in the beginning and 55.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,895 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:38,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.40 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 35.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.14 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 32.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,896 INFO L168 Benchmark]: Boogie Preprocessor took 43.74 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,897 INFO L168 Benchmark]: RCFGBuilder took 1245.64 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 44.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,897 INFO L168 Benchmark]: TraceAbstraction took 5730.09 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 44.3 MB in the beginning and 62.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,898 INFO L168 Benchmark]: Witness Printer took 174.27 ms. Allocated memory is still 111.1 MB. Free memory was 62.7 MB in the beginning and 55.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:38,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 769.40 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 35.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.14 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 32.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.74 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1245.64 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 44.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5730.09 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 44.3 MB in the beginning and 62.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. * Witness Printer took 174.27 ms. Allocated memory is still 111.1 MB. Free memory was 62.7 MB in the beginning and 55.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 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: 442]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 975 SDslu, 1172 SDs, 0 SdLazy, 194 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 680 HoareAnnotationTreeSize, 37 FomulaSimplifications, 19060 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1208 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 29755 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...