./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_spec4_product29.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 ad863e5106000f30252d9c1afd738f380ee45fc2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:20,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:20,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:20,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:20,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:20,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:20,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:20,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:20,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:20,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:20,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:21,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:21,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:21,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:21,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:21,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:21,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:21,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:21,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:21,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:21,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:21,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:21,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:21,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:21,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:21,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:21,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:21,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:21,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:21,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:21,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:21,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:21,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:21,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:21,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:21,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:21,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:21,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:21,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:21,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:21,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:21,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:21,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:21,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:21,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:21,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:21,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:21,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:21,089 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:21,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:21,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:21,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:21,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:21,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:21,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:21,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:21,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:21,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:21,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:21,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:21,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:21,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:21,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:21,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:21,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:21,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:21,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:21,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:21,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:21,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:21,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:21,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:21,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad863e5106000f30252d9c1afd738f380ee45fc2 [2021-08-29 16:16:21,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:21,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:21,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:21,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:21,425 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:21,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-08-29 16:16:21,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b032a42/7a6fc366010d4d6c8833ff49961e8ec2/FLAG998a38a95 [2021-08-29 16:16:22,054 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:22,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-08-29 16:16:22,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b032a42/7a6fc366010d4d6c8833ff49961e8ec2/FLAG998a38a95 [2021-08-29 16:16:22,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b032a42/7a6fc366010d4d6c8833ff49961e8ec2 [2021-08-29 16:16:22,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:22,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:22,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:22,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:22,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:22,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:22,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f3051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22, skipping insertion in model container [2021-08-29 16:16:22,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:22,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:22,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:22,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2660,2673] [2021-08-29 16:16:22,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:22,783 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:22,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2660,2673] [2021-08-29 16:16:22,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:22,922 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:22,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22 WrapperNode [2021-08-29 16:16:22,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:22,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:22,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:22,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:22,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:22,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:23,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:23,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:23,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:23,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:23,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:23,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:23,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:23,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (1/1) ... [2021-08-29 16:16:23,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:23,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:16:23,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:16:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:23,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:23,683 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-08-29 16:16:23,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:23 BoogieIcfgContainer [2021-08-29 16:16:23,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:23,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:23,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:23,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:23,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:22" (1/3) ... [2021-08-29 16:16:23,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eda21b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:23, skipping insertion in model container [2021-08-29 16:16:23,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:22" (2/3) ... [2021-08-29 16:16:23,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eda21b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:23, skipping insertion in model container [2021-08-29 16:16:23,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:23" (3/3) ... [2021-08-29 16:16:23,696 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2021-08-29 16:16:23,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:23,701 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:23,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:23,761 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:23,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:23,792 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:23,793 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:23,794 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:23,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:23,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-08-29 16:16:23,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:23,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359478178] [2021-08-29 16:16:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:23,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:24,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:24,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359478178] [2021-08-29 16:16:24,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359478178] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:24,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:24,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:24,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280740249] [2021-08-29 16:16:24,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:24,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:24,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:24,143 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:24,430 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-08-29 16:16:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:24,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 16:16:24,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:24,445 INFO L225 Difference]: With dead ends: 204 [2021-08-29 16:16:24,445 INFO L226 Difference]: Without dead ends: 101 [2021-08-29 16:16:24,449 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:24,453 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 181.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.56ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:24,455 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 2.19ms Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 230.56ms Time] [2021-08-29 16:16:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-08-29 16:16:24,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-08-29 16:16:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.469387755102041) internal successors, (144), 100 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-08-29 16:16:24,515 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-08-29 16:16:24,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:24,516 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-08-29 16:16:24,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-08-29 16:16:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:24,520 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:24,520 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:24,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:24,524 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:24,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:24,525 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-08-29 16:16:24,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:24,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930018827] [2021-08-29 16:16:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:24,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:24,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:24,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930018827] [2021-08-29 16:16:24,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930018827] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:24,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:24,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:24,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076036363] [2021-08-29 16:16:24,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:24,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:24,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:24,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:24,642 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:24,782 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-08-29 16:16:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:24,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 16:16:24,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:24,783 INFO L225 Difference]: With dead ends: 101 [2021-08-29 16:16:24,783 INFO L226 Difference]: Without dead ends: 43 [2021-08-29 16:16:24,784 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:24,785 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.91ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:24,785 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 66 Unknown, 0 Unchecked, 0.68ms Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 128.91ms Time] [2021-08-29 16:16:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-08-29 16:16:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-29 16:16:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-08-29 16:16:24,790 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-08-29 16:16:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:24,790 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-08-29 16:16:24,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-08-29 16:16:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:24,791 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:24,792 INFO L513 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] [2021-08-29 16:16:24,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:24,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:24,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:24,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-08-29 16:16:24,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:24,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064578679] [2021-08-29 16:16:24,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:24,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:24,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:24,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064578679] [2021-08-29 16:16:24,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064578679] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:24,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:24,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:24,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169348519] [2021-08-29 16:16:24,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:24,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:24,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:24,911 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:25,075 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-08-29 16:16:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:25,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 16:16:25,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:25,077 INFO L225 Difference]: With dead ends: 80 [2021-08-29 16:16:25,077 INFO L226 Difference]: Without dead ends: 43 [2021-08-29 16:16:25,078 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.44ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:25,079 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 219 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:25,079 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 0 Invalid, 66 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 135.47ms Time] [2021-08-29 16:16:25,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-08-29 16:16:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-29 16:16:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-08-29 16:16:25,084 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-08-29 16:16:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:25,084 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-08-29 16:16:25,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-08-29 16:16:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:16:25,085 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:25,085 INFO L513 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] [2021-08-29 16:16:25,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:25,089 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:25,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:25,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-08-29 16:16:25,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:25,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691003796] [2021-08-29 16:16:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:25,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:25,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:25,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691003796] [2021-08-29 16:16:25,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691003796] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:25,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:25,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 16:16:25,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72838234] [2021-08-29 16:16:25,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 16:16:25,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:25,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 16:16:25,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:25,207 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:25,897 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2021-08-29 16:16:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 16:16:25,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:16:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:25,899 INFO L225 Difference]: With dead ends: 286 [2021-08-29 16:16:25,900 INFO L226 Difference]: Without dead ends: 249 [2021-08-29 16:16:25,900 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 75.72ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-08-29 16:16:25,901 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 468 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 453.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.10ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 592.13ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:25,902 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [468 Valid, 0 Invalid, 709 Unknown, 0 Unchecked, 5.10ms Time], IncrementalHoareTripleChecker [15 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 592.13ms Time] [2021-08-29 16:16:25,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-08-29 16:16:25,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2021-08-29 16:16:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.439252336448598) internal successors, (154), 107 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-08-29 16:16:25,916 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-08-29 16:16:25,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:25,916 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-08-29 16:16:25,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-08-29 16:16:25,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:25,917 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:25,918 INFO L513 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] [2021-08-29 16:16:25,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:25,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:25,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:25,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1240528407, now seen corresponding path program 1 times [2021-08-29 16:16:25,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:25,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120688638] [2021-08-29 16:16:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:25,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:25,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:25,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120688638] [2021-08-29 16:16:25,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120688638] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:25,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:25,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:25,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567922026] [2021-08-29 16:16:25,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:25,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:25,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:25,954 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:26,017 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2021-08-29 16:16:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:26,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 16:16:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:26,019 INFO L225 Difference]: With dead ends: 165 [2021-08-29 16:16:26,019 INFO L226 Difference]: Without dead ends: 63 [2021-08-29 16:16:26,020 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.61ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:26,020 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.52ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:26,021 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 0 Invalid, 37 Unknown, 0 Unchecked, 0.28ms Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 56.52ms Time] [2021-08-29 16:16:26,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-08-29 16:16:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-08-29 16:16:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-08-29 16:16:26,027 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2021-08-29 16:16:26,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:26,028 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-08-29 16:16:26,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-08-29 16:16:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-29 16:16:26,029 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:26,029 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:26,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:26,030 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash 638504924, now seen corresponding path program 1 times [2021-08-29 16:16:26,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:26,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483035632] [2021-08-29 16:16:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:26,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:26,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:26,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483035632] [2021-08-29 16:16:26,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483035632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:26,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793602717] [2021-08-29 16:16:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:26,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:26,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:26,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:26,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 16:16:26,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:26,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 16:16:26,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793602717] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:26,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 16:16:26,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-08-29 16:16:26,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967980070] [2021-08-29 16:16:26,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:26,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:26,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:26,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:26,419 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:26,563 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2021-08-29 16:16:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:26,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-08-29 16:16:26,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:26,564 INFO L225 Difference]: With dead ends: 81 [2021-08-29 16:16:26,564 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:26,565 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.20ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:26,567 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.76ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:26,568 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 81 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 136.76ms Time] [2021-08-29 16:16:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:26,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-08-29 16:16:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:26,570 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:26,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:26,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:26,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:26,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:26,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:26,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:26,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-29 16:16:26,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:26,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:26,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:27,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L854 garLoopResultBuilder]: At program point L630(lines 629 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse2))) [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L630-1(lines 630 636) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L854 garLoopResultBuilder]: At program point L630-2(lines 629 648) the Hoare annotation is: false [2021-08-29 16:16:27,203 INFO L854 garLoopResultBuilder]: At program point L630-3(lines 629 648) the Hoare annotation is: false [2021-08-29 16:16:27,203 INFO L854 garLoopResultBuilder]: At program point L829-2(lines 829 843) the Hoare annotation is: false [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L666-1(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L666-3(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,203 INFO L858 garLoopResultBuilder]: For program point L666-4(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L858 garLoopResultBuilder]: For program point L666-5(lines 666 674) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L854 garLoopResultBuilder]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse2))) [2021-08-29 16:16:27,204 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L858 garLoopResultBuilder]: For program point L833-1(lines 630 636) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L858 garLoopResultBuilder]: For program point L900(lines 900 907) no Hoare annotation was computed. [2021-08-29 16:16:27,204 INFO L861 garLoopResultBuilder]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2021-08-29 16:16:27,204 INFO L854 garLoopResultBuilder]: At program point L637(lines 637 643) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse2))) [2021-08-29 16:16:27,206 INFO L854 garLoopResultBuilder]: At program point L637-1(lines 637 643) the Hoare annotation is: false [2021-08-29 16:16:27,207 INFO L854 garLoopResultBuilder]: At program point L571(lines 524 572) the Hoare annotation is: false [2021-08-29 16:16:27,207 INFO L854 garLoopResultBuilder]: At program point L637-2(lines 637 643) the Hoare annotation is: false [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L142-1(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L142-2(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L854 garLoopResultBuilder]: At program point L605(lines 1 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,207 INFO L858 garLoopResultBuilder]: For program point L807-2(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-3(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-5(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-6(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-8(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-9(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-11(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-12(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-14(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-15(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,208 INFO L858 garLoopResultBuilder]: For program point L807-17(lines 807 811) no Hoare annotation was computed. [2021-08-29 16:16:27,209 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-08-29 16:16:27,210 INFO L854 garLoopResultBuilder]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse2))) [2021-08-29 16:16:27,210 INFO L861 garLoopResultBuilder]: At program point L909(lines 890 912) the Hoare annotation is: true [2021-08-29 16:16:27,211 INFO L854 garLoopResultBuilder]: At program point L877(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:27,211 INFO L854 garLoopResultBuilder]: At program point L613(lines 608 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:27,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813-1(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813-2(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813-3(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813-4(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L854 garLoopResultBuilder]: At program point L813-5(lines 798 816) the Hoare annotation is: false [2021-08-29 16:16:27,212 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:16:27,213 INFO L858 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:16:27,213 INFO L858 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:16:27,213 INFO L854 garLoopResultBuilder]: At program point L749(lines 742 752) the Hoare annotation is: false [2021-08-29 16:16:27,213 INFO L854 garLoopResultBuilder]: At program point L749-1(lines 742 752) the Hoare annotation is: false [2021-08-29 16:16:27,213 INFO L854 garLoopResultBuilder]: At program point L749-2(lines 742 752) the Hoare annotation is: false [2021-08-29 16:16:27,213 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 (= 1 ~systemActive~0) .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse3 (= ~waterLevel~0 1)))) [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: false [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-08-29 16:16:27,214 INFO L854 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-08-29 16:16:27,214 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 566) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 705) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L858 garLoopResultBuilder]: For program point L688-1(lines 688 705) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L858 garLoopResultBuilder]: For program point L688-2(lines 688 705) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 935) no Hoare annotation was computed. [2021-08-29 16:16:27,215 INFO L854 garLoopResultBuilder]: At program point L922-1(lines 1 938) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 0)) .cse2))) [2021-08-29 16:16:27,216 INFO L858 garLoopResultBuilder]: For program point L922-2(lines 922 935) no Hoare annotation was computed. [2021-08-29 16:16:27,216 INFO L854 garLoopResultBuilder]: At program point L922-3(lines 1 938) the Hoare annotation is: false [2021-08-29 16:16:27,216 INFO L858 garLoopResultBuilder]: For program point L922-4(lines 922 935) no Hoare annotation was computed. [2021-08-29 16:16:27,216 INFO L854 garLoopResultBuilder]: At program point L922-5(lines 1 938) the Hoare annotation is: false [2021-08-29 16:16:27,216 INFO L858 garLoopResultBuilder]: For program point L526(lines 525 570) no Hoare annotation was computed. [2021-08-29 16:16:27,216 INFO L854 garLoopResultBuilder]: At program point L758(lines 753 761) the Hoare annotation is: false [2021-08-29 16:16:27,216 INFO L854 garLoopResultBuilder]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2021-08-29 16:16:27,217 INFO L858 garLoopResultBuilder]: For program point L692(lines 692 700) no Hoare annotation was computed. [2021-08-29 16:16:27,217 INFO L854 garLoopResultBuilder]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2021-08-29 16:16:27,217 INFO L858 garLoopResultBuilder]: For program point L692-1(lines 692 700) no Hoare annotation was computed. [2021-08-29 16:16:27,217 INFO L858 garLoopResultBuilder]: For program point L692-2(lines 692 700) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L858 garLoopResultBuilder]: For program point L561-2(lines 630 636) no Hoare annotation was computed. [2021-08-29 16:16:27,218 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L854 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-29 16:16:27,219 INFO L854 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L854 garLoopResultBuilder]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L854 garLoopResultBuilder]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L854 garLoopResultBuilder]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-08-29 16:16:27,219 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662-1(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662-2(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662-3(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662-4(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,220 INFO L858 garLoopResultBuilder]: For program point L662-5(lines 662 679) no Hoare annotation was computed. [2021-08-29 16:16:27,227 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:27,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:27 BoogieIcfgContainer [2021-08-29 16:16:27,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:27,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:27,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:27,263 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:27,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:23" (3/4) ... [2021-08-29 16:16:27,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:27,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:27,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:27,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:27,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:27,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:27,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:27,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:27,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-08-29 16:16:27,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1 [2021-08-29 16:16:27,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == systemActive) [2021-08-29 16:16:27,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) [2021-08-29 16:16:27,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) [2021-08-29 16:16:27,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) [2021-08-29 16:16:27,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) [2021-08-29 16:16:27,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) [2021-08-29 16:16:27,373 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:27,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:27,374 INFO L158 Benchmark]: Toolchain (without parser) took 4900.26ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 30.7MB in the beginning and 55.7MB in the end (delta: -25.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,374 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:27,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.92ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 42.8MB in the end (delta: -12.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.25ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 39.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,375 INFO L158 Benchmark]: Boogie Preprocessor took 62.40ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 36.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,376 INFO L158 Benchmark]: RCFGBuilder took 610.63ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 46.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,376 INFO L158 Benchmark]: TraceAbstraction took 3572.65ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 65.0MB in the end (delta: -18.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,376 INFO L158 Benchmark]: Witness Printer took 112.67ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 55.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:16:27,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.92ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 42.8MB in the end (delta: -12.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.25ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 39.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.40ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 36.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 610.63ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 46.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3572.65ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 65.0MB in the end (delta: -18.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 112.67ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 55.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3475.57ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 24.17ms, AutomataDifference: 1588.60ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 426.20ms, InitialAbstractionConstructionTime: 12.98ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 789 SdHoareTripleChecker+Valid, 1280.34ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 789 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 978.36ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 537 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1089 IncrementalHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 1089 mSolverCounterSat, 11.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 112.04ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 75.12ms AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 56 NumberOfFragments, 322 HoareAnnotationTreeSize, 42 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 59.07ms HoareSimplificationTime, 42 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 356.91ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 45.58ms SsaConstructionTime, 286.49ms SatisfiabilityAnalysisTime, 568.51ms InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:27,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...