./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_spec1_product57.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 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:43:03,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:03,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:03,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:03,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:03,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:03,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:03,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:03,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:03,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:03,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:03,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:03,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:03,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:03,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:03,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:03,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:03,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:03,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:03,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:03,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:03,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:03,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:03,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:03,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:03,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:03,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:03,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:03,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:03,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:03,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:03,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:03,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:03,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:03,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:03,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:03,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:03,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:03,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:03,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:03,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:03,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:03,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:03,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:03,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:03,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:03,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:03,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:03,394 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:03,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:03,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:03,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:03,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:03,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:03,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:03,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:03,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:03,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:03,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:03,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:03,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:03,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:03,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:03,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:03,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:03,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:03,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:03,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 [2021-08-26 08:43:03,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:03,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:03,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:03,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:03,817 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:03,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-08-26 08:43:03,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec93042b2/c85ebb810d8545d4ae4fe9a20004f7ea/FLAG40c5c4f88 [2021-08-26 08:43:04,443 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:04,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-08-26 08:43:04,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec93042b2/c85ebb810d8545d4ae4fe9a20004f7ea/FLAG40c5c4f88 [2021-08-26 08:43:04,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec93042b2/c85ebb810d8545d4ae4fe9a20004f7ea [2021-08-26 08:43:04,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:04,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:04,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:04,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:04,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:04,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3221c07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04, skipping insertion in model container [2021-08-26 08:43:04,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:04,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:05,238 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_spec1_product57.cil.c[18337,18350] [2021-08-26 08:43:05,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:05,263 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:05,356 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_spec1_product57.cil.c[18337,18350] [2021-08-26 08:43:05,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:05,381 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:05,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05 WrapperNode [2021-08-26 08:43:05,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:05,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:05,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:05,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:05,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:05,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:05,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:05,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:05,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:05,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:05,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:05,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:05,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (1/1) ... [2021-08-26 08:43:05,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:05,602 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) [2021-08-26 08:43:05,629 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 [2021-08-26 08:43:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:06,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:06,546 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-08-26 08:43:06,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:06 BoogieIcfgContainer [2021-08-26 08:43:06,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:06,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:06,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:06,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:06,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:04" (1/3) ... [2021-08-26 08:43:06,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475789aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:06, skipping insertion in model container [2021-08-26 08:43:06,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:05" (2/3) ... [2021-08-26 08:43:06,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475789aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:06, skipping insertion in model container [2021-08-26 08:43:06,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:06" (3/3) ... [2021-08-26 08:43:06,554 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2021-08-26 08:43:06,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:06,559 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:06,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:06,606 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 [2021-08-26 08:43:06,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-08-26 08:43:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:43:06,631 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,632 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2021-08-26 08:43:06,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384137095] [2021-08-26 08:43:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384137095] [2021-08-26 08:43:06,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384137095] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:06,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120496221] [2021-08-26 08:43:06,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:06,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:06,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:06,855 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-08-26 08:43:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,881 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-08-26 08:43:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:06,883 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 [2021-08-26 08:43:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,890 INFO L225 Difference]: With dead ends: 264 [2021-08-26 08:43:06,890 INFO L226 Difference]: Without dead ends: 131 [2021-08-26 08:43:06,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-26 08:43:06,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-26 08:43:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-08-26 08:43:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-08-26 08:43:06,927 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-08-26 08:43:06,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,928 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-08-26 08:43:06,928 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) [2021-08-26 08:43:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-08-26 08:43:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:43:06,929 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,929 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:06,930 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,930 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2021-08-26 08:43:06,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205360764] [2021-08-26 08:43:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205360764] [2021-08-26 08:43:07,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205360764] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:07,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89033016] [2021-08-26 08:43:07,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:07,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:07,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:07,056 INFO L87 Difference]: Start difference. First operand 131 states and 189 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) [2021-08-26 08:43:07,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,066 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-08-26 08:43:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:07,067 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 [2021-08-26 08:43:07,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,068 INFO L225 Difference]: With dead ends: 131 [2021-08-26 08:43:07,068 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:07,069 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-08-26 08:43:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:43:07,074 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-08-26 08:43:07,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,074 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:43:07,075 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) [2021-08-26 08:43:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:43:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:43:07,075 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,075 INFO L512 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] [2021-08-26 08:43:07,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:07,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,077 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2021-08-26 08:43:07,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220685744] [2021-08-26 08:43:07,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220685744] [2021-08-26 08:43:07,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220685744] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:07,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714876435] [2021-08-26 08:43:07,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:07,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:07,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:07,190 INFO L87 Difference]: Start difference. First operand 53 states and 76 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) [2021-08-26 08:43:07,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,361 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-08-26 08:43:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:07,362 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 [2021-08-26 08:43:07,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,363 INFO L225 Difference]: With dead ends: 100 [2021-08-26 08:43:07,363 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:07,363 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 69.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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) [2021-08-26 08:43:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-26 08:43:07,369 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-08-26 08:43:07,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,369 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-26 08:43:07,370 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) [2021-08-26 08:43:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-26 08:43:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:07,371 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,371 INFO L512 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] [2021-08-26 08:43:07,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:07,371 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,372 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2021-08-26 08:43:07,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896272674] [2021-08-26 08:43:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896272674] [2021-08-26 08:43:07,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896272674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:07,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756524406] [2021-08-26 08:43:07,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:07,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:07,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:07,454 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-08-26 08:43:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,535 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-08-26 08:43:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:07,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 [2021-08-26 08:43:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,537 INFO L225 Difference]: With dead ends: 121 [2021-08-26 08:43:07,538 INFO L226 Difference]: Without dead ends: 74 [2021-08-26 08:43:07,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-08-26 08:43:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-08-26 08:43:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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) [2021-08-26 08:43:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-08-26 08:43:07,561 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-08-26 08:43:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,562 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-08-26 08:43:07,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-08-26 08:43:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-08-26 08:43:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-26 08:43:07,563 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,563 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:07,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:07,564 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,564 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2021-08-26 08:43:07,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182074982] [2021-08-26 08:43:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182074982] [2021-08-26 08:43:07,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182074982] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:07,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893315241] [2021-08-26 08:43:07,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:07,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:07,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:07,700 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-08-26 08:43:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,903 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-08-26 08:43:07,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:07,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-08-26 08:43:07,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,905 INFO L225 Difference]: With dead ends: 372 [2021-08-26 08:43:07,905 INFO L226 Difference]: Without dead ends: 306 [2021-08-26 08:43:07,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 61.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-08-26 08:43:07,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-08-26 08:43:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4122137404580153) internal successors, (185), 131 states have internal predecessors, (185), 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) [2021-08-26 08:43:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-08-26 08:43:07,923 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-08-26 08:43:07,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,923 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-08-26 08:43:07,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-08-26 08:43:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-08-26 08:43:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 08:43:07,924 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,924 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:07,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:07,925 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2021-08-26 08:43:07,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533670186] [2021-08-26 08:43:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533670186] [2021-08-26 08:43:07,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533670186] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:07,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971300557] [2021-08-26 08:43:07,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:07,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:07,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:07,996 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-08-26 08:43:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,151 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-08-26 08:43:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:08,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-08-26 08:43:08,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,155 INFO L225 Difference]: With dead ends: 378 [2021-08-26 08:43:08,155 INFO L226 Difference]: Without dead ends: 376 [2021-08-26 08:43:08,161 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 56.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-08-26 08:43:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-08-26 08:43:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 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) [2021-08-26 08:43:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-08-26 08:43:08,185 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-08-26 08:43:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,186 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-08-26 08:43:08,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-08-26 08:43:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-08-26 08:43:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:08,190 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:08,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:08,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:08,191 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:08,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:08,191 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2021-08-26 08:43:08,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:08,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776936340] [2021-08-26 08:43:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:08,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:08,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:08,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776936340] [2021-08-26 08:43:08,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776936340] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:08,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:08,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:08,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426935347] [2021-08-26 08:43:08,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:08,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:08,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:08,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:08,290 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,379 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-08-26 08:43:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:08,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-08-26 08:43:08,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,382 INFO L225 Difference]: With dead ends: 344 [2021-08-26 08:43:08,382 INFO L226 Difference]: Without dead ends: 218 [2021-08-26 08:43:08,385 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-08-26 08:43:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-08-26 08:43:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.3706293706293706) internal successors, (196), 143 states have internal predecessors, (196), 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) [2021-08-26 08:43:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-08-26 08:43:08,403 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-08-26 08:43:08,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,403 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-08-26 08:43:08,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-08-26 08:43:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:08,407 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:08,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:08,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:08,407 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:08,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:08,408 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2021-08-26 08:43:08,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:08,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490843974] [2021-08-26 08:43:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:08,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:08,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:08,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490843974] [2021-08-26 08:43:08,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490843974] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:08,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:08,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:08,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922585721] [2021-08-26 08:43:08,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:08,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:08,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:08,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:08,471 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,511 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2021-08-26 08:43:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:08,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-08-26 08:43:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,513 INFO L225 Difference]: With dead ends: 340 [2021-08-26 08:43:08,513 INFO L226 Difference]: Without dead ends: 202 [2021-08-26 08:43:08,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-08-26 08:43:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2021-08-26 08:43:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 states have internal predecessors, (204), 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) [2021-08-26 08:43:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-08-26 08:43:08,528 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-08-26 08:43:08,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,528 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-08-26 08:43:08,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-08-26 08:43:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:08,531 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:08,531 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:08,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:08,532 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:08,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2021-08-26 08:43:08,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:08,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226900826] [2021-08-26 08:43:08,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:08,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:08,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:08,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226900826] [2021-08-26 08:43:08,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226900826] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:08,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:08,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:08,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699666294] [2021-08-26 08:43:08,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:08,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:08,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:08,606 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,635 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2021-08-26 08:43:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:08,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-08-26 08:43:08,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,637 INFO L225 Difference]: With dead ends: 348 [2021-08-26 08:43:08,637 INFO L226 Difference]: Without dead ends: 202 [2021-08-26 08:43:08,638 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:08,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-08-26 08:43:08,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-08-26 08:43:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.3134328358208955) internal successors, (264), 201 states have internal predecessors, (264), 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) [2021-08-26 08:43:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2021-08-26 08:43:08,653 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2021-08-26 08:43:08,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,654 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2021-08-26 08:43:08,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-08-26 08:43:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2021-08-26 08:43:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:08,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:08,655 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:08,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:08,655 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:08,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:08,656 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2021-08-26 08:43:08,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:08,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340414984] [2021-08-26 08:43:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:08,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:08,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:08,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340414984] [2021-08-26 08:43:08,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340414984] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:08,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:08,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:08,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928863890] [2021-08-26 08:43:08,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:08,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:08,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:08,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:08,714 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-08-26 08:43:08,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,943 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2021-08-26 08:43:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 08:43:08,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 35 [2021-08-26 08:43:08,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,948 INFO L225 Difference]: With dead ends: 612 [2021-08-26 08:43:08,948 INFO L226 Difference]: Without dead ends: 416 [2021-08-26 08:43:08,948 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 71.3ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:08,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-08-26 08:43:08,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 202. [2021-08-26 08:43:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.2885572139303483) internal successors, (259), 201 states have internal predecessors, (259), 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) [2021-08-26 08:43:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2021-08-26 08:43:08,964 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2021-08-26 08:43:08,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,964 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2021-08-26 08:43:08,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-08-26 08:43:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2021-08-26 08:43:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:08,966 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:08,966 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:08,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:08,966 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:08,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:08,967 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2021-08-26 08:43:08,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:08,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819783648] [2021-08-26 08:43:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:08,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:09,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:09,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819783648] [2021-08-26 08:43:09,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819783648] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:09,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:09,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:09,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43071496] [2021-08-26 08:43:09,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:09,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:09,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:09,079 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-08-26 08:43:09,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:09,335 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2021-08-26 08:43:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:43:09,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2021-08-26 08:43:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:09,339 INFO L225 Difference]: With dead ends: 1026 [2021-08-26 08:43:09,339 INFO L226 Difference]: Without dead ends: 880 [2021-08-26 08:43:09,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 56.5ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2021-08-26 08:43:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2021-08-26 08:43:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.2853470437017995) internal successors, (500), 389 states have internal predecessors, (500), 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) [2021-08-26 08:43:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2021-08-26 08:43:09,372 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2021-08-26 08:43:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:09,373 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2021-08-26 08:43:09,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-08-26 08:43:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2021-08-26 08:43:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:09,374 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:09,374 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:09,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:09,375 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:09,375 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2021-08-26 08:43:09,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:09,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562270273] [2021-08-26 08:43:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:09,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:43:09,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:09,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562270273] [2021-08-26 08:43:09,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562270273] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:09,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:09,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:43:09,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345077188] [2021-08-26 08:43:09,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:43:09,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:09,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:43:09,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:09,444 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-08-26 08:43:09,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:09,556 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2021-08-26 08:43:09,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:43:09,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 56 [2021-08-26 08:43:09,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:09,557 INFO L225 Difference]: With dead ends: 724 [2021-08-26 08:43:09,557 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:09,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.7ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:43:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:09,559 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) [2021-08-26 08:43:09,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:09,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:43:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:09,559 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:09,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-08-26 08:43:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:09,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:09,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:09,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:09,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:09,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:09,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:09,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:13,230 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,230 INFO L853 garLoopResultBuilder]: At program point L961(lines 956 964) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5))) [2021-08-26 08:43:13,230 INFO L853 garLoopResultBuilder]: At program point L961-1(lines 956 964) the Hoare annotation is: false [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L961-2(lines 956 964) the Hoare annotation is: false [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L565(lines 565 571) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~10 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse2 (= ~methaneLevelCritical~0 1) .cse6))) [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L565-1(lines 565 571) the Hoare annotation is: false [2021-08-26 08:43:13,231 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 505) no Hoare annotation was computed. [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L565-2(lines 565 571) the Hoare annotation is: false [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 499 505) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~10 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse2 (= ~methaneLevelCritical~0 1) .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:13,231 INFO L853 garLoopResultBuilder]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:13,232 INFO L853 garLoopResultBuilder]: At program point L535(lines 488 536) the Hoare annotation is: false [2021-08-26 08:43:13,232 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,232 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,232 INFO L857 garLoopResultBuilder]: For program point L736-3(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,232 INFO L857 garLoopResultBuilder]: For program point L736-5(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,232 INFO L857 garLoopResultBuilder]: For program point L736-6(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-8(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-9(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-11(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-12(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-14(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-15(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L736-17(lines 736 740) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:43:13,233 INFO L857 garLoopResultBuilder]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:43:13,234 INFO L857 garLoopResultBuilder]: For program point L970(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,234 INFO L857 garLoopResultBuilder]: For program point L970-1(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,234 INFO L857 garLoopResultBuilder]: For program point L970-2(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,234 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 515) no Hoare annotation was computed. [2021-08-26 08:43:13,234 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse2 .cse7 .cse3) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse3 .cse8 .cse5 .cse6))) [2021-08-26 08:43:13,234 INFO L853 garLoopResultBuilder]: At program point L906(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,234 INFO L853 garLoopResultBuilder]: At program point L906-1(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-08-26 08:43:13,234 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 901 909) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:13,234 INFO L853 garLoopResultBuilder]: At program point L906-3(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L906-4(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L906-5(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L906-6(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L906-7(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L906-8(lines 901 909) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742(lines 727 745) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 727 745) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse9 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse8 .cse6 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse8 .cse6 .cse9 (= ~waterLevel~0 1)))) [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742-2(lines 727 745) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742-3(lines 727 745) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742-4(lines 727 745) the Hoare annotation is: false [2021-08-26 08:43:13,235 INFO L853 garLoopResultBuilder]: At program point L742-5(lines 727 745) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678(lines 671 681) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678-1(lines 671 681) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678-2(lines 671 681) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678-3(lines 671 681) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678-4(lines 671 681) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L678-5(lines 671 681) the Hoare annotation is: false [2021-08-26 08:43:13,236 INFO L857 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2021-08-26 08:43:13,236 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,236 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:13,236 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 973) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~10 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse2 (= ~methaneLevelCritical~0 1) .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:13,236 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 973) the Hoare annotation is: false [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 973) the Hoare annotation is: false [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946-1(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946-2(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946-3(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946-4(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L946-5(lines 946 952) no Hoare annotation was computed. [2021-08-26 08:43:13,237 INFO L857 garLoopResultBuilder]: For program point L781-1(lines 558 564) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 633) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 855) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L860 garLoopResultBuilder]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 530) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,238 INFO L857 garLoopResultBuilder]: For program point L620(lines 620 628) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L653-6(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L653-8(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L857 garLoopResultBuilder]: For program point L653-10(lines 653 659) no Hoare annotation was computed. [2021-08-26 08:43:13,239 INFO L853 garLoopResultBuilder]: At program point L951(lines 942 955) the Hoare annotation is: false [2021-08-26 08:43:13,239 INFO L853 garLoopResultBuilder]: At program point L951-1(lines 942 955) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8))) [2021-08-26 08:43:13,239 INFO L853 garLoopResultBuilder]: At program point L951-2(lines 942 955) the Hoare annotation is: false [2021-08-26 08:43:13,239 INFO L853 garLoopResultBuilder]: At program point L951-3(lines 942 955) the Hoare annotation is: false [2021-08-26 08:43:13,239 INFO L853 garLoopResultBuilder]: At program point L951-4(lines 942 955) the Hoare annotation is: false [2021-08-26 08:43:13,240 INFO L853 garLoopResultBuilder]: At program point L951-5(lines 942 955) the Hoare annotation is: false [2021-08-26 08:43:13,240 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) [2021-08-26 08:43:13,240 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 682 690) the Hoare annotation is: false [2021-08-26 08:43:13,240 INFO L853 garLoopResultBuilder]: At program point L687-2(lines 682 690) the Hoare annotation is: false [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L490(lines 489 534) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L755(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L755-2(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L755-3(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L755-5(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,240 INFO L857 garLoopResultBuilder]: For program point L590-1(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L755-6(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L590-2(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L590-3(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L755-8(lines 755 759) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L590-4(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L590-5(lines 590 607) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L853 garLoopResultBuilder]: At program point L558(lines 557 576) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4))) [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 529) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L558-1(lines 558 564) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L853 garLoopResultBuilder]: At program point L558-2(lines 557 576) the Hoare annotation is: false [2021-08-26 08:43:13,241 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 558 564) no Hoare annotation was computed. [2021-08-26 08:43:13,241 INFO L853 garLoopResultBuilder]: At program point L558-3(lines 557 576) the Hoare annotation is: false [2021-08-26 08:43:13,242 INFO L853 garLoopResultBuilder]: At program point L96(lines 1 973) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:13,242 INFO L860 garLoopResultBuilder]: At program point L857(lines 838 860) the Hoare annotation is: true [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L853 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594-1(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594-2(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594-3(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594-4(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,242 INFO L857 garLoopResultBuilder]: For program point L594-5(lines 594 602) no Hoare annotation was computed. [2021-08-26 08:43:13,243 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-08-26 08:43:13,243 INFO L853 garLoopResultBuilder]: At program point L761(lines 746 764) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 0))) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-08-26 08:43:13,243 INFO L853 garLoopResultBuilder]: At program point L761-1(lines 746 764) the Hoare annotation is: false [2021-08-26 08:43:13,243 INFO L853 garLoopResultBuilder]: At program point L761-2(lines 746 764) the Hoare annotation is: false [2021-08-26 08:43:13,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:13,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:13 BoogieIcfgContainer [2021-08-26 08:43:13,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:13,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:13,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:13,271 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:13,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:06" (3/4) ... [2021-08-26 08:43:13,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:13,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:13,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:13,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:13,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:13,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:13,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:13,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:13,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:13,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == 1) && waterLevel == 1 [2021-08-26 08:43:13,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) [2021-08-26 08:43:13,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) [2021-08-26 08:43:13,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) [2021-08-26 08:43:13,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-08-26 08:43:13,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) [2021-08-26 08:43:13,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) && \result == 1) [2021-08-26 08:43:13,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-08-26 08:43:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) && \result == 1 [2021-08-26 08:43:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && tmp == 1) || (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive) && 1 <= waterLevel) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && tmp == 1) [2021-08-26 08:43:13,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel == 1) [2021-08-26 08:43:13,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) [2021-08-26 08:43:13,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) [2021-08-26 08:43:13,363 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:13,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:13,365 INFO L168 Benchmark]: Toolchain (without parser) took 8501.73 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 28.8 MB in the beginning and 135.0 MB in the end (delta: -106.2 MB). Peak memory consumption was 94.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,365 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:13,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.72 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.6 MB in the beginning and 38.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 34.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,366 INFO L168 Benchmark]: Boogie Preprocessor took 81.92 ms. Allocated memory is still 62.9 MB. Free memory was 34.3 MB in the beginning and 31.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,366 INFO L168 Benchmark]: RCFGBuilder took 986.03 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 37.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,366 INFO L168 Benchmark]: TraceAbstraction took 6721.23 ms. Allocated memory was 75.5 MB in the beginning and 161.5 MB in the end (delta: 86.0 MB). Free memory was 36.4 MB in the beginning and 52.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,367 INFO L168 Benchmark]: Witness Printer took 92.40 ms. Allocated memory is still 161.5 MB. Free memory was 52.9 MB in the beginning and 135.0 MB in the end (delta: -82.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.72 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.6 MB in the beginning and 38.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 34.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.92 ms. Allocated memory is still 62.9 MB. Free memory was 34.3 MB in the beginning and 31.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 986.03 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 37.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6721.23 ms. Allocated memory was 75.5 MB in the beginning and 161.5 MB in the end (delta: 86.0 MB). Free memory was 36.4 MB in the beginning and 52.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. * Witness Printer took 92.40 ms. Allocated memory is still 161.5 MB. Free memory was 52.9 MB in the beginning and 135.0 MB in the end (delta: -82.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 970]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 970]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 970]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6648.3ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 23.9ms, AutomataDifference: 1484.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3666.3ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1364 SDtfs, 2061 SDslu, 2363 SDs, 0 SdLazy, 324 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 582.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 440.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 187.4ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 932 HoareAnnotationTreeSize, 54 FomulaSimplifications, 759008 FormulaSimplificationTreeSizeReduction, 884.6ms HoareSimplificationTime, 54 FomulaSimplificationsInter, 179891 FormulaSimplificationTreeSizeReductionInter, 2765.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 42.0ms SsaConstructionTime, 285.1ms SatisfiabilityAnalysisTime, 721.1ms InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && tmp == 1) || (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive) && 1 <= waterLevel) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && tmp == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && methaneLevelCritical == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel == 1) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) && \result == 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) && \result == 1) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == 1) && waterLevel == 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:13,423 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...