./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product58.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 f34e156823368e08bfaeac3b7f4488efc17d7ca6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:38,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:38,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:38,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:38,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:38,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:38,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:38,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:38,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:38,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:38,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:38,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:38,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:38,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:38,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:38,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:38,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:38,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:38,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:38,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:38,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:38,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:38,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:38,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:38,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:38,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:38,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:38,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:38,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:38,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:38,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:38,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:38,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:38,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:38,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:38,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:38,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:38,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:38,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:38,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:38,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:38,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:38,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:38,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:38,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:38,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:38,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:38,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:38,556 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:38,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:38,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:38,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:38,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:38,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:38,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f34e156823368e08bfaeac3b7f4488efc17d7ca6 [2021-08-29 16:16:38,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:38,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:38,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:38,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:38,841 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:38,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-08-29 16:16:38,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bb4cf65/91cba205f9e04d7381ecc45a31f99546/FLAG92c34c517 [2021-08-29 16:16:39,307 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:39,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-08-29 16:16:39,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bb4cf65/91cba205f9e04d7381ecc45a31f99546/FLAG92c34c517 [2021-08-29 16:16:39,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bb4cf65/91cba205f9e04d7381ecc45a31f99546 [2021-08-29 16:16:39,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:39,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:39,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:39,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:39,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:39,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff4d8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39, skipping insertion in model container [2021-08-29 16:16:39,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:39,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:39,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-08-29 16:16:39,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:39,622 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:39,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-08-29 16:16:39,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:39,700 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:39,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39 WrapperNode [2021-08-29 16:16:39,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:39,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:39,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:39,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:39,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:39,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:39,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:39,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:39,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:39,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:39,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:39,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:39,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:39,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:39,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:16:39,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:16:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:40,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:40,259 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-08-29 16:16:40,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:40 BoogieIcfgContainer [2021-08-29 16:16:40,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:40,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:40,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:40,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:40,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:39" (1/3) ... [2021-08-29 16:16:40,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c47a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:40, skipping insertion in model container [2021-08-29 16:16:40,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39" (2/3) ... [2021-08-29 16:16:40,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c47a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:40, skipping insertion in model container [2021-08-29 16:16:40,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:40" (3/3) ... [2021-08-29 16:16:40,267 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-08-29 16:16:40,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:40,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:40,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:40,303 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:40,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:40,314 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) [2021-08-29 16:16:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:40,317 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:40,318 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:40,318 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:40,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:40,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-08-29 16:16:40,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:40,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578742907] [2021-08-29 16:16:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:40,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:40,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:40,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578742907] [2021-08-29 16:16:40,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578742907] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:40,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:40,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:40,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031799564] [2021-08-29 16:16:40,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:40,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:40,570 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) [2021-08-29 16:16:40,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:40,829 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-08-29 16:16:40,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:40,832 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 16:16:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:40,839 INFO L225 Difference]: With dead ends: 264 [2021-08-29 16:16:40,840 INFO L226 Difference]: Without dead ends: 131 [2021-08-29 16:16:40,842 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:40,846 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 155.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 202.23ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:40,847 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 194 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 202.23ms Time] [2021-08-29 16:16:40,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-29 16:16:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-29 16:16:40,884 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) [2021-08-29 16:16:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-08-29 16:16:40,887 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-08-29 16:16:40,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:40,888 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-08-29 16:16:40,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-08-29 16:16:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:40,889 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:40,889 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:40,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:40,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:40,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-08-29 16:16:40,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:40,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856814919] [2021-08-29 16:16:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:40,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:40,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:40,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856814919] [2021-08-29 16:16:40,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856814919] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:40,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:40,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:40,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246855584] [2021-08-29 16:16:40,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:40,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:40,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:40,961 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) [2021-08-29 16:16:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,047 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-08-29 16:16:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:41,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 16:16:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,048 INFO L225 Difference]: With dead ends: 131 [2021-08-29 16:16:41,048 INFO L226 Difference]: Without dead ends: 53 [2021-08-29 16:16:41,048 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,049 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 69 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.55ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,049 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 0 Invalid, 81 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 78.55ms Time] [2021-08-29 16:16:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-29 16:16:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-29 16:16:41,052 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) [2021-08-29 16:16:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-29 16:16:41,052 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-08-29 16:16:41,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,052 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-29 16:16:41,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-29 16:16:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:41,053 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,053 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:41,053 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-08-29 16:16:41,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437553224] [2021-08-29 16:16:41,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437553224] [2021-08-29 16:16:41,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437553224] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:41,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099705606] [2021-08-29 16:16:41,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:41,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:41,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,132 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,228 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-08-29 16:16:41,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 16:16:41,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,229 INFO L225 Difference]: With dead ends: 100 [2021-08-29 16:16:41,229 INFO L226 Difference]: Without dead ends: 53 [2021-08-29 16:16:41,231 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,235 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.03ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,236 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 0 Invalid, 76 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 77.03ms Time] [2021-08-29 16:16:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-29 16:16:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-29 16:16:41,242 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) [2021-08-29 16:16:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-29 16:16:41,242 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-08-29 16:16:41,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,243 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-29 16:16:41,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-29 16:16:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:16:41,244 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,244 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:41,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,245 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-08-29 16:16:41,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593962205] [2021-08-29 16:16:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593962205] [2021-08-29 16:16:41,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593962205] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:41,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977117821] [2021-08-29 16:16:41,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:41,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:41,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,296 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) [2021-08-29 16:16:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,388 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-08-29 16:16:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:41,389 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 [2021-08-29 16:16:41,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,389 INFO L225 Difference]: With dead ends: 121 [2021-08-29 16:16:41,389 INFO L226 Difference]: Without dead ends: 74 [2021-08-29 16:16:41,390 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,390 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.46ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,391 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 119 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 85.46ms Time] [2021-08-29 16:16:41,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-08-29 16:16:41,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-08-29 16:16:41,394 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) [2021-08-29 16:16:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-08-29 16:16:41,395 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-08-29 16:16:41,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,395 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-08-29 16:16:41,395 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) [2021-08-29 16:16:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-08-29 16:16:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-29 16:16:41,395 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,395 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:41,396 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-08-29 16:16:41,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051597180] [2021-08-29 16:16:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051597180] [2021-08-29 16:16:41,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051597180] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:41,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480917133] [2021-08-29 16:16:41,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:41,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:41,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:41,433 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) [2021-08-29 16:16:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,677 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2021-08-29 16:16:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:41,678 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 [2021-08-29 16:16:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,678 INFO L225 Difference]: With dead ends: 253 [2021-08-29 16:16:41,678 INFO L226 Difference]: Without dead ends: 187 [2021-08-29 16:16:41,679 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 18.84ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:41,679 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 190 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.56ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 215.65ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,680 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 0 Invalid, 365 Unknown, 0 Unchecked, 2.56ms Time], IncrementalHoareTripleChecker [7 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 215.65ms Time] [2021-08-29 16:16:41,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-08-29 16:16:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-08-29 16:16:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2021-08-29 16:16:41,692 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2021-08-29 16:16:41,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,692 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2021-08-29 16:16:41,692 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) [2021-08-29 16:16:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-08-29 16:16:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:41,693 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,693 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:41,693 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2088460330, now seen corresponding path program 1 times [2021-08-29 16:16:41,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367914731] [2021-08-29 16:16:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367914731] [2021-08-29 16:16:41,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367914731] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:41,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493132011] [2021-08-29 16:16:41,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:41,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:41,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:41,735 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 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) [2021-08-29 16:16:41,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,908 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2021-08-29 16:16:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:41,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 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 [2021-08-29 16:16:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,909 INFO L225 Difference]: With dead ends: 238 [2021-08-29 16:16:41,909 INFO L226 Difference]: Without dead ends: 172 [2021-08-29 16:16:41,910 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.13ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:41,912 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 75 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.20ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,913 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 0 Invalid, 255 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 162.20ms Time] [2021-08-29 16:16:41,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-08-29 16:16:41,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2021-08-29 16:16:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.3869047619047619) internal successors, (233), 168 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2021-08-29 16:16:41,923 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 233 transitions. Word has length 31 [2021-08-29 16:16:41,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,924 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 233 transitions. [2021-08-29 16:16:41,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 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) [2021-08-29 16:16:41,924 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2021-08-29 16:16:41,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:41,925 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,925 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:16:41,925 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1948341528, now seen corresponding path program 1 times [2021-08-29 16:16:41,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651564294] [2021-08-29 16:16:41,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651564294] [2021-08-29 16:16:41,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651564294] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:41,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525014575] [2021-08-29 16:16:41,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:41,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:41,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:41,953 INFO L87 Difference]: Start difference. First operand 169 states and 233 transitions. Second operand has 4 states, 4 states have (on average 7.75) 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) [2021-08-29 16:16:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,201 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2021-08-29 16:16:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:42,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) 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 [2021-08-29 16:16:42,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,206 INFO L225 Difference]: With dead ends: 473 [2021-08-29 16:16:42,206 INFO L226 Difference]: Without dead ends: 352 [2021-08-29 16:16:42,206 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:42,207 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 131 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 213.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,207 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 0 Invalid, 377 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [5 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 213.47ms Time] [2021-08-29 16:16:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-08-29 16:16:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 169. [2021-08-29 16:16:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.375) internal successors, (231), 168 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2021-08-29 16:16:42,216 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 31 [2021-08-29 16:16:42,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,216 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2021-08-29 16:16:42,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) 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) [2021-08-29 16:16:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2021-08-29 16:16:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:42,217 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,217 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:42,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:16:42,217 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:42,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1953598758, now seen corresponding path program 1 times [2021-08-29 16:16:42,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810163073] [2021-08-29 16:16:42,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:42,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810163073] [2021-08-29 16:16:42,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810163073] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:16:42,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961936499] [2021-08-29 16:16:42,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:42,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:42,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:42,261 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 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) [2021-08-29 16:16:42,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,550 INFO L93 Difference]: Finished difference Result 592 states and 826 transitions. [2021-08-29 16:16:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:16:42,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 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 [2021-08-29 16:16:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,552 INFO L225 Difference]: With dead ends: 592 [2021-08-29 16:16:42,552 INFO L226 Difference]: Without dead ends: 429 [2021-08-29 16:16:42,552 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 31.57ms TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:16:42,553 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 338 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 241.42ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,553 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 0 Invalid, 452 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [7 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 241.42ms Time] [2021-08-29 16:16:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-08-29 16:16:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 178. [2021-08-29 16:16:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.344632768361582) internal successors, (238), 177 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2021-08-29 16:16:42,562 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 31 [2021-08-29 16:16:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,562 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2021-08-29 16:16:42,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 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) [2021-08-29 16:16:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2021-08-29 16:16:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:16:42,563 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,563 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:42,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:16:42,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2005513094, now seen corresponding path program 1 times [2021-08-29 16:16:42,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240902615] [2021-08-29 16:16:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:42,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240902615] [2021-08-29 16:16:42,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240902615] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:42,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629123291] [2021-08-29 16:16:42,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:42,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:42,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:42,598 INFO L87 Difference]: Start difference. First operand 178 states and 238 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) [2021-08-29 16:16:42,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,860 INFO L93 Difference]: Finished difference Result 392 states and 528 transitions. [2021-08-29 16:16:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:42,861 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 [2021-08-29 16:16:42,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,862 INFO L225 Difference]: With dead ends: 392 [2021-08-29 16:16:42,862 INFO L226 Difference]: Without dead ends: 265 [2021-08-29 16:16:42,862 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.48ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:42,862 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 210 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 174.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.45ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.80ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,862 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 0 Invalid, 463 Unknown, 0 Unchecked, 1.45ms Time], IncrementalHoareTripleChecker [4 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 229.80ms Time] [2021-08-29 16:16:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-08-29 16:16:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 174. [2021-08-29 16:16:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.329479768786127) internal successors, (230), 173 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2021-08-29 16:16:42,871 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 34 [2021-08-29 16:16:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,872 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2021-08-29 16:16:42,872 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) [2021-08-29 16:16:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2021-08-29 16:16:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-29 16:16:42,874 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,874 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:42,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:16:42,875 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 121178437, now seen corresponding path program 1 times [2021-08-29 16:16:42,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829372052] [2021-08-29 16:16:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:42,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829372052] [2021-08-29 16:16:42,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829372052] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:42,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973905951] [2021-08-29 16:16:42,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:42,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:42,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:42,927 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,119 INFO L93 Difference]: Finished difference Result 392 states and 520 transitions. [2021-08-29 16:16:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:43,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 53 [2021-08-29 16:16:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,121 INFO L225 Difference]: With dead ends: 392 [2021-08-29 16:16:43,121 INFO L226 Difference]: Without dead ends: 224 [2021-08-29 16:16:43,121 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.31ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:43,121 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 95 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.08ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,122 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 0 Invalid, 325 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [4 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 170.08ms Time] [2021-08-29 16:16:43,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-08-29 16:16:43,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 174. [2021-08-29 16:16:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 173 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 227 transitions. [2021-08-29 16:16:43,130 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 227 transitions. Word has length 53 [2021-08-29 16:16:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,130 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 227 transitions. [2021-08-29 16:16:43,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 227 transitions. [2021-08-29 16:16:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-29 16:16:43,131 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,131 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:43,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:16:43,131 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,132 INFO L82 PathProgramCache]: Analyzing trace with hash 48791879, now seen corresponding path program 1 times [2021-08-29 16:16:43,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854283228] [2021-08-29 16:16:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:43,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854283228] [2021-08-29 16:16:43,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854283228] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:43,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976114777] [2021-08-29 16:16:43,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:43,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:43,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:43,172 INFO L87 Difference]: Start difference. First operand 174 states and 227 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,323 INFO L93 Difference]: Finished difference Result 356 states and 469 transitions. [2021-08-29 16:16:43,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:43,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 53 [2021-08-29 16:16:43,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,325 INFO L225 Difference]: With dead ends: 356 [2021-08-29 16:16:43,325 INFO L226 Difference]: Without dead ends: 188 [2021-08-29 16:16:43,325 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,325 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.17ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,325 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 0 Invalid, 246 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [3 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 135.17ms Time] [2021-08-29 16:16:43,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-08-29 16:16:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 141. [2021-08-29 16:16:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.3) internal successors, (182), 140 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 182 transitions. [2021-08-29 16:16:43,331 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 182 transitions. Word has length 53 [2021-08-29 16:16:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,332 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 182 transitions. [2021-08-29 16:16:43,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2021-08-29 16:16:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:16:43,332 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,332 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:43,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:16:43,332 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,333 INFO L82 PathProgramCache]: Analyzing trace with hash -516506869, now seen corresponding path program 1 times [2021-08-29 16:16:43,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275583124] [2021-08-29 16:16:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:43,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275583124] [2021-08-29 16:16:43,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275583124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:43,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978039193] [2021-08-29 16:16:43,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:43,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:43,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,367 INFO L87 Difference]: Start difference. First operand 141 states and 182 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,643 INFO L93 Difference]: Finished difference Result 467 states and 615 transitions. [2021-08-29 16:16:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:43,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 54 [2021-08-29 16:16:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,644 INFO L225 Difference]: With dead ends: 467 [2021-08-29 16:16:43,644 INFO L226 Difference]: Without dead ends: 356 [2021-08-29 16:16:43,645 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.27ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:43,645 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 272 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 242.55ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,645 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 0 Invalid, 429 Unknown, 0 Unchecked, 1.50ms Time], IncrementalHoareTripleChecker [1 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 242.55ms Time] [2021-08-29 16:16:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-08-29 16:16:43,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 144. [2021-08-29 16:16:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.2937062937062938) internal successors, (185), 143 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) [2021-08-29 16:16:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2021-08-29 16:16:43,654 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 54 [2021-08-29 16:16:43,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,654 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2021-08-29 16:16:43,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2021-08-29 16:16:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:16:43,655 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,655 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:43,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:16:43,655 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,656 INFO L82 PathProgramCache]: Analyzing trace with hash -909533879, now seen corresponding path program 1 times [2021-08-29 16:16:43,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642059947] [2021-08-29 16:16:43,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:43,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642059947] [2021-08-29 16:16:43,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642059947] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:43,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440456039] [2021-08-29 16:16:43,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:43,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,702 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,052 INFO L93 Difference]: Finished difference Result 368 states and 476 transitions. [2021-08-29 16:16:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:44,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 54 [2021-08-29 16:16:44,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,053 INFO L225 Difference]: With dead ends: 368 [2021-08-29 16:16:44,053 INFO L226 Difference]: Without dead ends: 366 [2021-08-29 16:16:44,053 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.92ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:16:44,054 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 275 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 213.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.79ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 293.45ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,054 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 0 Invalid, 549 Unknown, 0 Unchecked, 1.79ms Time], IncrementalHoareTripleChecker [5 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 293.45ms Time] [2021-08-29 16:16:44,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-08-29 16:16:44,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 144. [2021-08-29 16:16:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.2867132867132867) internal successors, (184), 143 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) [2021-08-29 16:16:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 184 transitions. [2021-08-29 16:16:44,062 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 184 transitions. Word has length 54 [2021-08-29 16:16:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,062 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 184 transitions. [2021-08-29 16:16:44,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 184 transitions. [2021-08-29 16:16:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-29 16:16:44,063 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,063 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 16:16:44,063 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,063 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2021-08-29 16:16:44,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584381603] [2021-08-29 16:16:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584381603] [2021-08-29 16:16:44,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584381603] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:44,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803688104] [2021-08-29 16:16:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:44,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:44,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:44,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:16:44,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:16:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803688104] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:16:44,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:16:44,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-08-29 16:16:44,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216919024] [2021-08-29 16:16:44,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:44,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:44,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:44,544 INFO L87 Difference]: Start difference. First operand 144 states and 184 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,862 INFO L93 Difference]: Finished difference Result 445 states and 581 transitions. [2021-08-29 16:16:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-08-29 16:16:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,863 INFO L225 Difference]: With dead ends: 445 [2021-08-29 16:16:44,863 INFO L226 Difference]: Without dead ends: 331 [2021-08-29 16:16:44,864 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 30.76ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-08-29 16:16:44,864 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 296 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 266.88ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,864 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 0 Invalid, 520 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [21 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 266.88ms Time] [2021-08-29 16:16:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-08-29 16:16:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2021-08-29 16:16:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.3) internal successors, (260), 200 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 260 transitions. [2021-08-29 16:16:44,877 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 260 transitions. Word has length 55 [2021-08-29 16:16:44,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,878 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 260 transitions. [2021-08-29 16:16:44,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 260 transitions. [2021-08-29 16:16:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-29 16:16:44,878 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,878 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:45,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-29 16:16:45,093 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,093 INFO L82 PathProgramCache]: Analyzing trace with hash -2086945688, now seen corresponding path program 2 times [2021-08-29 16:16:45,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626311709] [2021-08-29 16:16:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:45,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626311709] [2021-08-29 16:16:45,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626311709] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:45,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163408068] [2021-08-29 16:16:45,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:45,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:45,184 INFO L87 Difference]: Start difference. First operand 201 states and 260 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,506 INFO L93 Difference]: Finished difference Result 608 states and 801 transitions. [2021-08-29 16:16:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:16:45,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 76 [2021-08-29 16:16:45,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,508 INFO L225 Difference]: With dead ends: 608 [2021-08-29 16:16:45,508 INFO L226 Difference]: Without dead ends: 436 [2021-08-29 16:16:45,510 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 55.10ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:45,510 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 213 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.37ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 241.95ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,510 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 0 Invalid, 438 Unknown, 0 Unchecked, 1.37ms Time], IncrementalHoareTripleChecker [8 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 241.95ms Time] [2021-08-29 16:16:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-08-29 16:16:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 274. [2021-08-29 16:16:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.293040293040293) internal successors, (353), 273 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 353 transitions. [2021-08-29 16:16:45,551 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 353 transitions. Word has length 76 [2021-08-29 16:16:45,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,551 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 353 transitions. [2021-08-29 16:16:45,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 353 transitions. [2021-08-29 16:16:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-29 16:16:45,551 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:45,552 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:45,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 16:16:45,552 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2021-08-29 16:16:45,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041733195] [2021-08-29 16:16:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 16:16:45,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041733195] [2021-08-29 16:16:45,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041733195] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:45,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614919402] [2021-08-29 16:16:45,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:45,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:45,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:45,584 INFO L87 Difference]: Start difference. First operand 274 states and 353 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,804 INFO L93 Difference]: Finished difference Result 483 states and 621 transitions. [2021-08-29 16:16:45,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:45,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 76 [2021-08-29 16:16:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,804 INFO L225 Difference]: With dead ends: 483 [2021-08-29 16:16:45,804 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:45,805 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.33ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:45,805 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 187.24ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,805 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 325 Unknown, 0 Unchecked, 0.95ms Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 187.24ms Time] [2021-08-29 16:16:45,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:45,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-08-29 16:16:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,806 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:45,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:45,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:45,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:45,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:45,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:45,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 16:16:45,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:45,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:46,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,178 INFO L858 garLoopResultBuilder]: For program point L930(lines 929 976) no Hoare annotation was computed. [2021-08-29 16:16:49,178 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L798-2(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L798-4(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L798-6(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L798-8(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L798-10(lines 798 804) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L931(lines 931 935) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L854 garLoopResultBuilder]: At program point L832(lines 827 835) the Hoare annotation is: false [2021-08-29 16:16:49,179 INFO L854 garLoopResultBuilder]: At program point L832-1(lines 827 835) the Hoare annotation is: false [2021-08-29 16:16:49,179 INFO L854 garLoopResultBuilder]: At program point L832-2(lines 827 835) the Hoare annotation is: false [2021-08-29 16:16:49,179 INFO L854 garLoopResultBuilder]: At program point L568-2(lines 568 582) the Hoare annotation is: false [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536-3(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536-4(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L536-5(lines 536 542) no Hoare annotation was computed. [2021-08-29 16:16:49,179 INFO L858 garLoopResultBuilder]: For program point L900(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L900-2(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L900-3(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L900-5(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L900-6(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L900-8(lines 900 904) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 475) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L967(lines 967 971) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L854 garLoopResultBuilder]: At program point L967-2(lines 703 709) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-08-29 16:16:49,180 INFO L854 garLoopResultBuilder]: At program point L703(lines 702 721) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L854 garLoopResultBuilder]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-08-29 16:16:49,180 INFO L854 garLoopResultBuilder]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 576) no Hoare annotation was computed. [2021-08-29 16:16:49,180 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 703 709) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L441-2(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L858 garLoopResultBuilder]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-08-29 16:16:49,181 INFO L854 garLoopResultBuilder]: At program point L541(lines 532 545) the Hoare annotation is: false [2021-08-29 16:16:49,181 INFO L854 garLoopResultBuilder]: At program point L541-1(lines 532 545) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-08-29 16:16:49,181 INFO L854 garLoopResultBuilder]: At program point L541-2(lines 532 545) the Hoare annotation is: false [2021-08-29 16:16:49,181 INFO L854 garLoopResultBuilder]: At program point L541-3(lines 532 545) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L541-4(lines 532 545) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L541-5(lines 532 545) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L906(lines 891 909) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L906-1(lines 891 909) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L906-2(lines 891 909) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)))) [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 651) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L861 garLoopResultBuilder]: At program point L644-1(lines 644 651) the Hoare annotation is: true [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L977(lines 928 978) the Hoare annotation is: false [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L680(lines 1 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881-5(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,182 INFO L854 garLoopResultBuilder]: At program point L617(lines 613 619) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:49,182 INFO L858 garLoopResultBuilder]: For program point L881-8(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-9(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L551(lines 546 554) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L551-1(lines 546 554) the Hoare annotation is: false [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-11(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L551-2(lines 546 554) the Hoare annotation is: false [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-12(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 432) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-14(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L419-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-15(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L419-3(lines 1 984) the Hoare annotation is: false [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L881-17(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L419-5(lines 1 984) the Hoare annotation is: false [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L861 garLoopResultBuilder]: At program point L653(lines 634 656) the Hoare annotation is: true [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 429) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2021-08-29 16:16:49,183 INFO L854 garLoopResultBuilder]: At program point L688(lines 683 691) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:49,183 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887(lines 872 890) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887-1(lines 872 890) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) (not .cse3) .cse4 (not .cse1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)))) [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887-2(lines 872 890) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887-3(lines 872 890) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887-4(lines 872 890) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L887-5(lines 872 890) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-08-29 16:16:49,184 INFO L858 garLoopResultBuilder]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-08-29 16:16:49,184 INFO L858 garLoopResultBuilder]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823(lines 816 826) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823-1(lines 816 826) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823-2(lines 816 826) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823-3(lines 816 826) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823-4(lines 816 826) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L854 garLoopResultBuilder]: At program point L823-5(lines 816 826) the Hoare annotation is: false [2021-08-29 16:16:49,184 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:49,188 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-08-29 16:16:49,188 INFO L854 garLoopResultBuilder]: At program point L528(lines 523 531) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)))) [2021-08-29 16:16:49,188 INFO L854 garLoopResultBuilder]: At program point L528-1(lines 523 531) the Hoare annotation is: false [2021-08-29 16:16:49,188 INFO L854 garLoopResultBuilder]: At program point L528-2(lines 523 531) the Hoare annotation is: false [2021-08-29 16:16:49,188 INFO L854 garLoopResultBuilder]: At program point L496(lines 491 499) the Hoare annotation is: false [2021-08-29 16:16:49,188 INFO L854 garLoopResultBuilder]: At program point L496-1(lines 491 499) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) [2021-08-29 16:16:49,189 INFO L854 garLoopResultBuilder]: At program point L496-2(lines 491 499) the Hoare annotation is: false [2021-08-29 16:16:49,189 INFO L854 garLoopResultBuilder]: At program point L496-3(lines 491 499) the Hoare annotation is: false [2021-08-29 16:16:49,189 INFO L854 garLoopResultBuilder]: At program point L496-4(lines 491 499) the Hoare annotation is: false [2021-08-29 16:16:49,189 INFO L854 garLoopResultBuilder]: At program point L496-5(lines 491 499) the Hoare annotation is: false [2021-08-29 16:16:49,189 INFO L858 garLoopResultBuilder]: For program point L959(lines 959 972) no Hoare annotation was computed. [2021-08-29 16:16:49,189 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-08-29 16:16:49,189 INFO L858 garLoopResultBuilder]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-08-29 16:16:49,189 INFO L858 garLoopResultBuilder]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-08-29 16:16:49,192 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:49,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:49 BoogieIcfgContainer [2021-08-29 16:16:49,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:49,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:49,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:49,220 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:49,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:40" (3/4) ... [2021-08-29 16:16:49,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:49,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:49,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:49,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:49,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:49,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:49,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:49,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:49,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) || (((((((((splverifierCounter == 0 && 2 <= tmp) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && 2 <= \result) && \result == 0) && tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:16:49,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((((splverifierCounter == 0 && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0) [2021-08-29 16:16:49,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && 2 <= \result) && \result == 0) && tmp == 0) [2021-08-29 16:16:49,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-08-29 16:16:49,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-29 16:16:49,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && tmp == 0 [2021-08-29 16:16:49,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && tmp == 0) [2021-08-29 16:16:49,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0 [2021-08-29 16:16:49,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0 [2021-08-29 16:16:49,303 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:49,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:49,304 INFO L158 Benchmark]: Toolchain (without parser) took 9970.09ms. Allocated memory was 73.4MB in the beginning and 176.2MB in the end (delta: 102.8MB). Free memory was 54.5MB in the beginning and 130.7MB in the end (delta: -76.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,304 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:49,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.59ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 47.6MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.91ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,305 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,305 INFO L158 Benchmark]: RCFGBuilder took 471.11ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 68.6MB in the end (delta: -28.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,306 INFO L158 Benchmark]: TraceAbstraction took 8957.76ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 68.1MB in the beginning and 142.3MB in the end (delta: -74.3MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,306 INFO L158 Benchmark]: Witness Printer took 83.45ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 130.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:16:49,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.59ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 47.6MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.91ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.11ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 68.6MB in the end (delta: -28.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8957.76ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 68.1MB in the beginning and 142.3MB in the end (delta: -74.3MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. * Witness Printer took 83.45ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 130.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: 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: 8894.26ms, OverallIterations: 16, TraceHistogramMax: 3, EmptinessCheckTime: 15.40ms, AutomataDifference: 3680.73ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 3369.41ms, InitialAbstractionConstructionTime: 7.44ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2501 SdHoareTripleChecker+Valid, 3043.14ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2501 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2324.71ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2837 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5137 IncrementalHoareTripleChecker+Invalid, 5214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 0 mSDtfsCounter, 5137 mSolverCounterSat, 20.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 158 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 236.33ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=15, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 171.04ms AutomataMinimizationTime, 16 MinimizatonAttempts, 1425 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 139 NumberOfFragments, 491 HoareAnnotationTreeSize, 55 FomulaSimplifications, 5686361 FormulaSimplificationTreeSizeReduction, 970.73ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 276674 FormulaSimplificationTreeSizeReductionInter, 2385.29ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.97ms SsaConstructionTime, 299.60ms SatisfiabilityAnalysisTime, 832.47ms InterpolantComputationTime, 712 NumberOfCodeBlocks, 712 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 1208 SizeOfPredicates, 3 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 187/196 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: 710]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((((splverifierCounter == 0 && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && tmp == 0) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && 2 <= \result) && \result == 0) && tmp == 0) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && tmp == 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) || (((((((((splverifierCounter == 0 && 2 <= tmp) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && !(tmp___0 == 0)) && 2 <= \result) && \result == 0) && tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:49,351 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...