./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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_product04.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 2ef680651bdd5006981e8c6524edc2b3eb658126 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:55:01,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:55:01,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:55:01,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:55:01,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:55:01,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:55:01,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:55:01,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:55:01,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:55:01,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:55:01,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:55:01,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:55:01,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:55:01,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:55:01,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:55:01,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:55:01,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:55:01,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:55:01,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:55:01,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:55:01,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:55:01,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:55:01,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:55:01,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:55:01,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:55:01,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:55:01,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:55:01,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:55:01,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:55:01,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:55:01,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:55:01,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:55:01,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:55:01,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:55:01,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:55:01,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:55:01,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:55:01,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:55:01,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:55:01,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:55:01,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:55:01,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:55:01,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:55:01,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:55:01,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:55:01,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:55:01,715 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:55:01,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:55:01,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:55:01,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:55:01,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:55:01,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:55:01,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:55:01,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:55:01,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:55:01,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:55:01,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:55:01,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:55:01,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:55:01,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:01,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:55:01,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:55:01,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:55:01,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:55:01,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:55:01,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ef680651bdd5006981e8c6524edc2b3eb658126 [2021-07-05 09:55:01,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:55:02,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:55:02,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:55:02,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:55:02,017 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:55:02,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-07-05 09:55:02,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f20cc/9f5aba2959e743ef9181ba4f419a3c79/FLAG734d5a455 [2021-07-05 09:55:02,434 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:55:02,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-07-05 09:55:02,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f20cc/9f5aba2959e743ef9181ba4f419a3c79/FLAG734d5a455 [2021-07-05 09:55:02,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f20cc/9f5aba2959e743ef9181ba4f419a3c79 [2021-07-05 09:55:02,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:55:02,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:55:02,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:02,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:55:02,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:55:02,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:02" (1/1) ... [2021-07-05 09:55:02,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be2d53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:02, skipping insertion in model container [2021-07-05 09:55:02,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:02" (1/1) ... [2021-07-05 09:55:02,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:55:02,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:55:03,072 WARN L224 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_product04.cil.c[16373,16386] [2021-07-05 09:55:03,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:03,081 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:55:03,117 WARN L224 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_product04.cil.c[16373,16386] [2021-07-05 09:55:03,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:03,136 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:55:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03 WrapperNode [2021-07-05 09:55:03,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:03,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:03,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:55:03,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:55:03,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:03,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:55:03,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:55:03,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:55:03,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:55:03,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:55:03,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:55:03,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:55:03,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (1/1) ... [2021-07-05 09:55:03,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:03,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:55:03,238 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) [2021-07-05 09:55:03,258 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 [2021-07-05 09:55:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:55:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:55:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:55:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:55:03,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:55:03,770 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-07-05 09:55:03,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:03 BoogieIcfgContainer [2021-07-05 09:55:03,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:55:03,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:55:03,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:55:03,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:55:03,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:55:02" (1/3) ... [2021-07-05 09:55:03,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f9b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:03, skipping insertion in model container [2021-07-05 09:55:03,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:03" (2/3) ... [2021-07-05 09:55:03,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f9b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:03, skipping insertion in model container [2021-07-05 09:55:03,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:03" (3/3) ... [2021-07-05 09:55:03,777 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2021-07-05 09:55:03,781 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:55:03,782 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:55:03,817 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:03,823 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:03,823 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-07-05 09:55:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:55:03,839 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:03,840 INFO L525 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] [2021-07-05 09:55:03,840 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:03,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-07-05 09:55:03,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:03,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431007904] [2021-07-05 09:55:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:03,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:04,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431007904] [2021-07-05 09:55:04,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431007904] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:55:04,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402847957] [2021-07-05 09:55:04,117 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:04,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:04,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:04,128 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,230 INFO L93 Difference]: Finished difference Result 165 states and 247 transitions. [2021-07-05 09:55:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:55:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 09:55:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,236 INFO L225 Difference]: With dead ends: 165 [2021-07-05 09:55:04,236 INFO L226 Difference]: Without dead ends: 52 [2021-07-05 09:55:04,238 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 52.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:55:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-07-05 09:55:04,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-07-05 09:55:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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) [2021-07-05 09:55:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-07-05 09:55:04,264 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-07-05 09:55:04,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:04,264 INFO L442 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-07-05 09:55:04,264 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-07-05 09:55:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:55:04,265 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:04,265 INFO L525 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] [2021-07-05 09:55:04,265 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:55:04,266 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:04,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:04,266 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-07-05 09:55:04,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:04,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253956316] [2021-07-05 09:55:04,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:04,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:55:04,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253956316] [2021-07-05 09:55:04,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253956316] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:55:04,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692500499] [2021-07-05 09:55:04,335 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:04,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:04,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:04,338 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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) [2021-07-05 09:55:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,394 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2021-07-05 09:55:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:55:04,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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 [2021-07-05 09:55:04,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,397 INFO L225 Difference]: With dead ends: 169 [2021-07-05 09:55:04,397 INFO L226 Difference]: Without dead ends: 127 [2021-07-05 09:55:04,398 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:55:04,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-07-05 09:55:04,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-07-05 09:55:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 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) [2021-07-05 09:55:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2021-07-05 09:55:04,407 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2021-07-05 09:55:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:04,407 INFO L442 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2021-07-05 09:55:04,407 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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) [2021-07-05 09:55:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2021-07-05 09:55:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:55:04,408 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:04,408 INFO L525 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] [2021-07-05 09:55:04,409 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:55:04,409 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:04,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:04,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2021-07-05 09:55:04,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:04,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126515905] [2021-07-05 09:55:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:04,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126515905] [2021-07-05 09:55:04,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126515905] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:55:04,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241538958] [2021-07-05 09:55:04,487 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:04,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:04,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:04,488 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-07-05 09:55:04,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,549 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2021-07-05 09:55:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:55:04,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-07-05 09:55:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,550 INFO L225 Difference]: With dead ends: 220 [2021-07-05 09:55:04,550 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:04,551 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:55:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:04,552 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) [2021-07-05 09:55:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:04,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-07-05 09:55:04,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:04,553 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:04,553 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-07-05 09:55:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:04,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:04,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:04,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,761 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,761 INFO L758 garLoopResultBuilder]: At program point L168(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,761 INFO L762 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-07-05 09:55:04,762 INFO L758 garLoopResultBuilder]: At program point L449-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,762 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,762 INFO L758 garLoopResultBuilder]: At program point L285(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,763 INFO L758 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,763 INFO L758 garLoopResultBuilder]: At program point L285-2(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,763 INFO L758 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,764 INFO L762 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-07-05 09:55:04,764 INFO L762 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-07-05 09:55:04,764 INFO L758 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,764 INFO L758 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,764 INFO L758 garLoopResultBuilder]: At program point L337-1(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,764 INFO L758 garLoopResultBuilder]: At program point L337-2(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,765 INFO L762 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-07-05 09:55:04,765 INFO L758 garLoopResultBuilder]: At program point L421-1(lines 421 427) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,765 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,765 INFO L762 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-07-05 09:55:04,765 INFO L762 garLoopResultBuilder]: For program point L58-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:04,766 INFO L758 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,766 INFO L762 garLoopResultBuilder]: For program point L191(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,766 INFO L762 garLoopResultBuilder]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,766 INFO L762 garLoopResultBuilder]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,766 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,766 INFO L762 garLoopResultBuilder]: For program point L853(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,767 INFO L758 garLoopResultBuilder]: At program point L853-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,767 INFO L762 garLoopResultBuilder]: For program point L853-2(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,767 INFO L758 garLoopResultBuilder]: At program point L853-3(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,767 INFO L762 garLoopResultBuilder]: For program point L853-4(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,767 INFO L758 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,770 INFO L758 garLoopResultBuilder]: At program point L853-5(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,770 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,771 INFO L762 garLoopResultBuilder]: For program point L441(lines 441 456) no Hoare annotation was computed. [2021-07-05 09:55:04,771 INFO L758 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,771 INFO L758 garLoopResultBuilder]: At program point L260-1(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,771 INFO L758 garLoopResultBuilder]: At program point L260-2(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,772 INFO L758 garLoopResultBuilder]: At program point L278(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,772 INFO L762 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:04,772 INFO L758 garLoopResultBuilder]: At program point L278-2(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,772 INFO L758 garLoopResultBuilder]: At program point L278-3(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,772 INFO L762 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,772 INFO L762 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,772 INFO L762 garLoopResultBuilder]: For program point L840-2(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,773 INFO L762 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,773 INFO L762 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,773 INFO L762 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,773 INFO L758 garLoopResultBuilder]: At program point L461(lines 410 462) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,774 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,774 INFO L762 garLoopResultBuilder]: For program point L412(lines 411 460) no Hoare annotation was computed. [2021-07-05 09:55:04,776 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,777 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-07-05 09:55:04,777 INFO L758 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,777 INFO L762 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-07-05 09:55:04,777 INFO L762 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-07-05 09:55:04,778 INFO L762 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-07-05 09:55:04,778 INFO L758 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,778 INFO L762 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-07-05 09:55:04,779 INFO L758 garLoopResultBuilder]: At program point L431-1(lines 431 437) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,784 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:55:04,785 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:04,787 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:55:04,790 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:04,791 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:04,791 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-07-05 09:55:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:55:04,797 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:04,797 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:04,797 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:04,798 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-07-05 09:55:04,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:04,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249594085] [2021-07-05 09:55:04,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:04,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249594085] [2021-07-05 09:55:04,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249594085] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:04,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768565299] [2021-07-05 09:55:04,821 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:04,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:04,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:04,822 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-07-05 09:55:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,824 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-07-05 09:55:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:04,824 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 [2021-07-05 09:55:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,824 INFO L225 Difference]: With dead ends: 112 [2021-07-05 09:55:04,824 INFO L226 Difference]: Without dead ends: 38 [2021-07-05 09:55:04,825 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:04,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-07-05 09:55:04,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-07-05 09:55:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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) [2021-07-05 09:55:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-07-05 09:55:04,827 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 16 [2021-07-05 09:55:04,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:04,827 INFO L442 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-07-05 09:55:04,827 INFO L443 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) [2021-07-05 09:55:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-07-05 09:55:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:55:04,828 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:04,828 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:04,828 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-07-05 09:55:04,828 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:04,828 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-07-05 09:55:04,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:04,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177636188] [2021-07-05 09:55:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:04,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:04,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177636188] [2021-07-05 09:55:04,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177636188] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:04,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950933014] [2021-07-05 09:55:04,871 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:04,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:04,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:04,872 INFO L87 Difference]: Start difference. First operand 38 states and 52 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) [2021-07-05 09:55:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,874 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-07-05 09:55:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:04,875 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 [2021-07-05 09:55:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,875 INFO L225 Difference]: With dead ends: 38 [2021-07-05 09:55:04,875 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:04,876 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:04,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:04,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:04,876 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) [2021-07-05 09:55:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:04,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:55:04,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:04,876 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:04,877 INFO L443 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) [2021-07-05 09:55:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:04,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:04,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:04,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:04,926 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,926 INFO L758 garLoopResultBuilder]: At program point L168(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,927 INFO L762 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L449-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,927 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L285(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L285-2(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,927 INFO L762 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-07-05 09:55:04,927 INFO L762 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L337-1(lines 332 340) the Hoare annotation is: false [2021-07-05 09:55:04,927 INFO L758 garLoopResultBuilder]: At program point L337-2(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L758 garLoopResultBuilder]: At program point L421-1(lines 421 427) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L58-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L758 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L191(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L853(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,928 INFO L758 garLoopResultBuilder]: At program point L853-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,928 INFO L762 garLoopResultBuilder]: For program point L853-2(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L853-3(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,929 INFO L762 garLoopResultBuilder]: For program point L853-4(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L853-5(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,929 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,929 INFO L762 garLoopResultBuilder]: For program point L441(lines 441 456) no Hoare annotation was computed. [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L260-2(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L278(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,929 INFO L762 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2021-07-05 09:55:04,929 INFO L758 garLoopResultBuilder]: At program point L278-3(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L840-2(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L758 garLoopResultBuilder]: At program point L461(lines 410 462) the Hoare annotation is: false [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L412(lines 411 460) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L758 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-07-05 09:55:04,930 INFO L762 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-07-05 09:55:04,931 INFO L758 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,931 INFO L762 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-07-05 09:55:04,931 INFO L758 garLoopResultBuilder]: At program point L431-1(lines 431 437) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:04,931 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-07-05 09:55:04,931 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:04,931 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:55:04,932 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:04,933 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:04,933 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-07-05 09:55:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:55:04,934 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:04,934 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:04,934 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:04,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:04,934 INFO L82 PathProgramCache]: Analyzing trace with hash 746361537, now seen corresponding path program 1 times [2021-07-05 09:55:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:04,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119899119] [2021-07-05 09:55:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:04,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:04,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:04,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:04,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119899119] [2021-07-05 09:55:04,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119899119] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:04,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:04,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:04,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837629742] [2021-07-05 09:55:04,977 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:04,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:04,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:04,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:04,978 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:04,980 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-07-05 09:55:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:04,980 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 09:55:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:04,980 INFO L225 Difference]: With dead ends: 112 [2021-07-05 09:55:04,996 INFO L226 Difference]: Without dead ends: 51 [2021-07-05 09:55:04,997 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:04,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-07-05 09:55:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-07-05 09:55:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 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) [2021-07-05 09:55:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2021-07-05 09:55:04,999 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 25 [2021-07-05 09:55:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:05,000 INFO L442 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2021-07-05 09:55:05,000 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-07-05 09:55:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:55:05,000 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:05,001 INFO L525 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] [2021-07-05 09:55:05,001 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-07-05 09:55:05,001 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:05,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:05,001 INFO L82 PathProgramCache]: Analyzing trace with hash 864254914, now seen corresponding path program 1 times [2021-07-05 09:55:05,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:05,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250700058] [2021-07-05 09:55:05,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:05,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:05,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:05,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:05,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:05,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:05,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:05,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:05,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250700058] [2021-07-05 09:55:05,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250700058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:05,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:05,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:05,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416541296] [2021-07-05 09:55:05,040 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:05,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:05,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:05,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:05,041 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-07-05 09:55:05,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:05,050 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-07-05 09:55:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:05,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-07-05 09:55:05,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:05,051 INFO L225 Difference]: With dead ends: 51 [2021-07-05 09:55:05,051 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:05,051 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:05,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:05,051 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) [2021-07-05 09:55:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:05,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:55:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:05,051 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:05,051 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-07-05 09:55:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:05,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:05,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:05,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:05,092 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L168(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:05,093 INFO L762 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L449-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,093 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L285(lines 285 291) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L285-2(lines 285 291) the Hoare annotation is: false [2021-07-05 09:55:05,093 INFO L758 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-07-05 09:55:05,093 INFO L762 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-07-05 09:55:05,094 INFO L762 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-07-05 09:55:05,094 INFO L758 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:05,094 INFO L758 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,094 INFO L758 garLoopResultBuilder]: At program point L337-1(lines 332 340) the Hoare annotation is: false [2021-07-05 09:55:05,094 INFO L758 garLoopResultBuilder]: At program point L337-2(lines 332 340) the Hoare annotation is: false [2021-07-05 09:55:05,094 INFO L762 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-07-05 09:55:05,094 INFO L758 garLoopResultBuilder]: At program point L421-1(lines 421 427) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,094 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:05,094 INFO L762 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-07-05 09:55:05,095 INFO L762 garLoopResultBuilder]: For program point L58-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:05,095 INFO L758 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:05,104 INFO L762 garLoopResultBuilder]: For program point L191(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point L853(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L758 garLoopResultBuilder]: At program point L853-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point L853-2(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:05,105 INFO L758 garLoopResultBuilder]: At program point L853-3(lines 1 869) the Hoare annotation is: false [2021-07-05 09:55:05,105 INFO L762 garLoopResultBuilder]: For program point L853-4(lines 853 866) no Hoare annotation was computed. [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L853-5(lines 1 869) the Hoare annotation is: false [2021-07-05 09:55:05,106 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:05,106 INFO L762 garLoopResultBuilder]: For program point L441(lines 441 456) no Hoare annotation was computed. [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2021-07-05 09:55:05,106 INFO L758 garLoopResultBuilder]: At program point L278(lines 277 296) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L758 garLoopResultBuilder]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2021-07-05 09:55:05,107 INFO L758 garLoopResultBuilder]: At program point L278-3(lines 277 296) the Hoare annotation is: false [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L840-2(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:05,107 INFO L762 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L758 garLoopResultBuilder]: At program point L461(lines 410 462) the Hoare annotation is: false [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L412(lines 411 460) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L758 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L762 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-07-05 09:55:05,108 INFO L758 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,109 INFO L762 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-07-05 09:55:05,109 INFO L758 garLoopResultBuilder]: At program point L431-1(lines 431 437) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:05,109 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-07-05 09:55:05,109 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:05,109 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:55:05,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:55:05 BoogieIcfgContainer [2021-07-05 09:55:05,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:55:05,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:55:05,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:55:05,121 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:55:05,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:03" (3/4) ... [2021-07-05 09:55:05,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:55:05,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:55:05,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:55:05,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:55:05,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:55:05,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:55:05,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:05,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:05,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:55:05,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:55:05,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: tmp == 1 && \result == 1 [2021-07-05 09:55:05,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: tmp == 1 && \result == 1 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 [2021-07-05 09:55:05,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 0 [2021-07-05 09:55:05,164 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:55:05,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:55:05,165 INFO L168 Benchmark]: Toolchain (without parser) took 2339.35 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 31.8 MB in the beginning and 82.9 MB in the end (delta: -51.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,165 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:55:05,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 48.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.90 ms. Allocated memory is still 75.5 MB. Free memory was 48.3 MB in the beginning and 45.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,166 INFO L168 Benchmark]: Boogie Preprocessor took 18.52 ms. Allocated memory is still 75.5 MB. Free memory was 45.5 MB in the beginning and 43.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,167 INFO L168 Benchmark]: RCFGBuilder took 580.48 ms. Allocated memory is still 75.5 MB. Free memory was 43.7 MB in the beginning and 39.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,167 INFO L168 Benchmark]: TraceAbstraction took 1347.95 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 38.9 MB in the beginning and 87.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,167 INFO L168 Benchmark]: Witness Printer took 43.95 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 82.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:05,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 48.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.90 ms. Allocated memory is still 75.5 MB. Free memory was 48.3 MB in the beginning and 45.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.52 ms. Allocated memory is still 75.5 MB. Free memory was 45.5 MB in the beginning and 43.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 580.48 ms. Allocated memory is still 75.5 MB. Free memory was 43.7 MB in the beginning and 39.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1347.95 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 38.9 MB in the beginning and 87.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Witness Printer took 43.95 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 82.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 840]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 840]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 840]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 971.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 8.7ms, AutomataDifference: 247.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 204.7ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 184 SDtfs, 551 SDslu, 264 SDs, 0 SdLazy, 57 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 97.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 27.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 114 NumberOfFragments, 233 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1776 FormulaSimplificationTreeSizeReduction, 69.4ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 128.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 111.0ms SatisfiabilityAnalysisTime, 215.6ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 141.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 2.4ms, AutomataDifference: 7.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 48.9ms, InitialAbstractionConstructionTime: 3.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 117 SDtfs, 31 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 44 NumberOfFragments, 44 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.5ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 34.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 20.0ms SatisfiabilityAnalysisTime, 32.6ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 176.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 29.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 40.4ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 117 SDtfs, 31 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 37 NumberOfFragments, 44 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 16.4ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 22.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.0ms SsaConstructionTime, 34.7ms SatisfiabilityAnalysisTime, 38.7ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 431]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: tmp == 1 && \result == 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: tmp == 1 && \result == 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:55:05,211 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...