./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product20.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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:16,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:16,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:16,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:16,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:16,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:16,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:16,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:16,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:16,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:16,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:16,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:16,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:16,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:16,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:16,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:16,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:16,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:16,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:16,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:16,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:16,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:16,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:16,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:16,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:16,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:16,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:16,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:16,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:16,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:16,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:16,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:16,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:16,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:16,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:16,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:16,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:16,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:16,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:16,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:16,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:16,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:16,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:16,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:16,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:16,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:16,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:16,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:16,682 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:16,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:16,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:16,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:16,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:16,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:16,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:16,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:16,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:16,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:16,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:16,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:16,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:16,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:16,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2021-08-29 16:16:16,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:16,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:16,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:16,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:16,996 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:16,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-08-29 16:16:17,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce6dc6c0/5dc13fd66a544b0b93316d51a2a76f8e/FLAG1e0c62c6c [2021-08-29 16:16:17,441 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:17,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-08-29 16:16:17,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce6dc6c0/5dc13fd66a544b0b93316d51a2a76f8e/FLAG1e0c62c6c [2021-08-29 16:16:17,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce6dc6c0/5dc13fd66a544b0b93316d51a2a76f8e [2021-08-29 16:16:17,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:17,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:17,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:17,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:17,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:17,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30188dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17, skipping insertion in model container [2021-08-29 16:16:17,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:17,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:17,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14037,14050] [2021-08-29 16:16:17,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:17,786 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:17,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14037,14050] [2021-08-29 16:16:17,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:17,874 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:17,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17 WrapperNode [2021-08-29 16:16:17,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:17,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:17,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:17,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:17,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:17,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:17,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:17,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:17,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:17,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:17,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:17,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:17,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (1/1) ... [2021-08-29 16:16:17,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:18,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:18,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:16:18,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:16:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:18,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:18,300 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-29 16:16:18,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:18 BoogieIcfgContainer [2021-08-29 16:16:18,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:18,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:18,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:18,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:18,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:17" (1/3) ... [2021-08-29 16:16:18,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b79c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:18, skipping insertion in model container [2021-08-29 16:16:18,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:17" (2/3) ... [2021-08-29 16:16:18,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b79c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:18, skipping insertion in model container [2021-08-29 16:16:18,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:18" (3/3) ... [2021-08-29 16:16:18,306 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2021-08-29 16:16:18,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:18,309 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:18,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:18,340 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:18,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:18,358 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:18,358 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:18,359 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:18,362 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-08-29 16:16:18,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:18,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830635841] [2021-08-29 16:16:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:18,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:18,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:18,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830635841] [2021-08-29 16:16:18,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830635841] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:18,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:18,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:18,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815492563] [2021-08-29 16:16:18,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:18,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:18,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:18,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:18,550 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:18,691 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-08-29 16:16:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:18,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 16:16:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:18,699 INFO L225 Difference]: With dead ends: 148 [2021-08-29 16:16:18,699 INFO L226 Difference]: Without dead ends: 73 [2021-08-29 16:16:18,701 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:18,703 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.58ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:18,704 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 107 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 122.58ms Time] [2021-08-29 16:16:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-29 16:16:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-08-29 16:16:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-08-29 16:16:18,728 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-08-29 16:16:18,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:18,728 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-08-29 16:16:18,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-08-29 16:16:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:18,729 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:18,729 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:18,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:18,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:18,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-08-29 16:16:18,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:18,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447491799] [2021-08-29 16:16:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:18,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:18,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:18,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447491799] [2021-08-29 16:16:18,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447491799] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:18,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:18,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:18,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474984941] [2021-08-29 16:16:18,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:18,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:18,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:18,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:18,797 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:18,876 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-08-29 16:16:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:18,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 16:16:18,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:18,877 INFO L225 Difference]: With dead ends: 73 [2021-08-29 16:16:18,877 INFO L226 Difference]: Without dead ends: 35 [2021-08-29 16:16:18,878 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:18,879 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.83ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:18,879 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 54 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 71.83ms Time] [2021-08-29 16:16:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-08-29 16:16:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-08-29 16:16:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-08-29 16:16:18,883 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-08-29 16:16:18,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:18,883 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-08-29 16:16:18,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-08-29 16:16:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:18,884 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:18,884 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:18,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:18,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:18,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-08-29 16:16:18,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:18,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289533739] [2021-08-29 16:16:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:18,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:18,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:18,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289533739] [2021-08-29 16:16:18,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289533739] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:18,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:18,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:18,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532697903] [2021-08-29 16:16:18,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:18,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:18,943 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. 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) [2021-08-29 16:16:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:19,079 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-08-29 16:16:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:19,079 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 [2021-08-29 16:16:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:19,080 INFO L225 Difference]: With dead ends: 87 [2021-08-29 16:16:19,080 INFO L226 Difference]: Without dead ends: 58 [2021-08-29 16:16:19,081 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.24ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:19,081 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 201 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.73ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:19,082 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 0 Invalid, 88 Unknown, 0 Unchecked, 1.80ms Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 108.73ms Time] [2021-08-29 16:16:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-08-29 16:16:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2021-08-29 16:16:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-08-29 16:16:19,095 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-08-29 16:16:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:19,096 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-08-29 16:16:19,096 INFO L471 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) [2021-08-29 16:16:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-08-29 16:16:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:16:19,097 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:19,097 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:19,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:19,097 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:19,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-08-29 16:16:19,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:19,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778055056] [2021-08-29 16:16:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:19,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:19,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:19,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778055056] [2021-08-29 16:16:19,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778055056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:19,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:19,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 16:16:19,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680034410] [2021-08-29 16:16:19,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 16:16:19,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:19,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 16:16:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:19,160 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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) [2021-08-29 16:16:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:19,608 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2021-08-29 16:16:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 16:16:19,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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 [2021-08-29 16:16:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:19,610 INFO L225 Difference]: With dead ends: 335 [2021-08-29 16:16:19,611 INFO L226 Difference]: Without dead ends: 287 [2021-08-29 16:16:19,611 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 71.63ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-08-29 16:16:19,612 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 359 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 279.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.69ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 359.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:19,613 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 0 Invalid, 561 Unknown, 0 Unchecked, 3.69ms Time], IncrementalHoareTripleChecker [15 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 359.47ms Time] [2021-08-29 16:16:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-08-29 16:16:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2021-08-29 16:16:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-08-29 16:16:19,626 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-08-29 16:16:19,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:19,627 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-08-29 16:16:19,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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) [2021-08-29 16:16:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-08-29 16:16:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:16:19,628 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:19,628 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:19,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:19,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:19,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:19,629 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2021-08-29 16:16:19,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:19,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605016346] [2021-08-29 16:16:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:19,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:19,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:19,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605016346] [2021-08-29 16:16:19,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605016346] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:19,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:19,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:19,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332942942] [2021-08-29 16:16:19,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:19,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:19,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:19,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:19,683 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:19,738 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2021-08-29 16:16:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:19,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:16:19,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:19,740 INFO L225 Difference]: With dead ends: 245 [2021-08-29 16:16:19,740 INFO L226 Difference]: Without dead ends: 115 [2021-08-29 16:16:19,743 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:19,747 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.39ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:19,750 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 0 Invalid, 39 Unknown, 0 Unchecked, 0.14ms Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 46.39ms Time] [2021-08-29 16:16:19,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-08-29 16:16:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-08-29 16:16:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-08-29 16:16:19,768 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-08-29 16:16:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:19,768 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-08-29 16:16:19,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-08-29 16:16:19,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-29 16:16:19,769 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:19,769 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:19,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:19,770 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2021-08-29 16:16:19,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:19,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145073016] [2021-08-29 16:16:19,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:19,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:19,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:19,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145073016] [2021-08-29 16:16:19,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145073016] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:19,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868605476] [2021-08-29 16:16:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:19,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:19,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:19,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:19,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 16:16:19,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:20,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 16:16:20,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868605476] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:20,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 16:16:20,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-08-29 16:16:20,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378608437] [2021-08-29 16:16:20,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:20,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:20,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:20,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:20,045 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:20,126 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-08-29 16:16:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:20,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-08-29 16:16:20,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:20,127 INFO L225 Difference]: With dead ends: 150 [2021-08-29 16:16:20,127 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:20,128 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:20,128 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.29ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.43ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:20,129 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 87 Unknown, 0 Unchecked, 0.29ms Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 75.43ms Time] [2021-08-29 16:16:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:20,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-08-29 16:16:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:20,129 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:20,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:20,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:20,131 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:20,132 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:20,132 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:20,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:20,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-29 16:16:20,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:20,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:20,797 INFO L854 garLoopResultBuilder]: At program point L828(lines 813 831) the Hoare annotation is: false [2021-08-29 16:16:20,798 INFO L854 garLoopResultBuilder]: At program point L828-1(lines 813 831) the Hoare annotation is: false [2021-08-29 16:16:20,798 INFO L854 garLoopResultBuilder]: At program point L828-2(lines 813 831) the Hoare annotation is: false [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 669) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 911) no Hoare annotation was computed. [2021-08-29 16:16:20,798 INFO L861 garLoopResultBuilder]: At program point L270(lines 251 273) the Hoare annotation is: true [2021-08-29 16:16:20,798 INFO L854 garLoopResultBuilder]: At program point L237(lines 233 239) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:20,798 INFO L854 garLoopResultBuilder]: At program point L171(lines 166 174) the Hoare annotation is: false [2021-08-29 16:16:20,798 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-08-29 16:16:20,798 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L854 garLoopResultBuilder]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-08-29 16:16:20,799 INFO L854 garLoopResultBuilder]: At program point L188-2(lines 188 202) the Hoare annotation is: false [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L854 garLoopResultBuilder]: At program point L916(lines 865 917) the Hoare annotation is: false [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L867(lines 866 915) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L854 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L868(lines 868 872) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 737) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L858 garLoopResultBuilder]: For program point L836(lines 836 842) no Hoare annotation was computed. [2021-08-29 16:16:20,799 INFO L854 garLoopResultBuilder]: At program point L836-1(lines 836 842) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 196) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 688 694) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L854 garLoopResultBuilder]: At program point L886-1(lines 886 892) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-08-29 16:16:20,800 INFO L854 garLoopResultBuilder]: At program point L688(lines 687 706) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L854 garLoopResultBuilder]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2021-08-29 16:16:20,800 INFO L854 garLoopResultBuilder]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 910) no Hoare annotation was computed. [2021-08-29 16:16:20,800 INFO L854 garLoopResultBuilder]: At program point L904-1(lines 688 694) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822-2(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822-3(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822-5(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822-6(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L822-8(lines 822 826) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 268) no Hoare annotation was computed. [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L773(lines 768 776) the Hoare annotation is: false [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L773-1(lines 768 776) the Hoare annotation is: false [2021-08-29 16:16:20,801 INFO L861 garLoopResultBuilder]: At program point L261-1(lines 261 268) the Hoare annotation is: true [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L773-2(lines 768 776) the Hoare annotation is: false [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L162(lines 157 165) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L162-1(lines 157 165) the Hoare annotation is: false [2021-08-29 16:16:20,801 INFO L854 garLoopResultBuilder]: At program point L162-2(lines 157 165) the Hoare annotation is: false [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L724(lines 724 732) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L659(lines 659 672) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L854 garLoopResultBuilder]: At program point L659-1(lines 1 923) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse6))) [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L659-2(lines 659 672) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L854 garLoopResultBuilder]: At program point L659-3(lines 1 923) the Hoare annotation is: false [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L659-4(lines 659 672) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L854 garLoopResultBuilder]: At program point L659-5(lines 1 923) the Hoare annotation is: false [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2021-08-29 16:16:20,802 INFO L854 garLoopResultBuilder]: At program point L876-1(lines 876 882) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-08-29 16:16:20,802 INFO L858 garLoopResultBuilder]: For program point L645(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,803 INFO L858 garLoopResultBuilder]: For program point L645-1(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,803 INFO L854 garLoopResultBuilder]: At program point L67(lines 1 923) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:20,803 INFO L858 garLoopResultBuilder]: For program point L645-2(line 645) no Hoare annotation was computed. [2021-08-29 16:16:20,803 INFO L854 garLoopResultBuilder]: At program point L695(lines 695 701) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:20,803 INFO L854 garLoopResultBuilder]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2021-08-29 16:16:20,803 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 121) no Hoare annotation was computed. [2021-08-29 16:16:20,803 INFO L854 garLoopResultBuilder]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2021-08-29 16:16:20,807 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:20,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:20 BoogieIcfgContainer [2021-08-29 16:16:20,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:20,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:20,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:20,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:20,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:18" (3/4) ... [2021-08-29 16:16:20,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:20,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:20,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:20,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:20,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:20,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:20,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:20,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:20,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:16:20,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:16:20,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) [2021-08-29 16:16:20,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-08-29 16:16:20,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-08-29 16:16:20,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:20,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:20,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:20,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:20,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:20,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:20,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:20,882 INFO L158 Benchmark]: Toolchain (without parser) took 3415.29ms. Allocated memory was 46.1MB in the beginning and 104.9MB in the end (delta: 58.7MB). Free memory was 21.5MB in the beginning and 32.4MB in the end (delta: -10.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,882 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:20,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.05ms. Allocated memory was 46.1MB in the beginning and 60.8MB in the end (delta: 14.7MB). Free memory was 21.3MB in the beginning and 37.8MB in the end (delta: -16.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.49ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 34.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,883 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 32.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,883 INFO L158 Benchmark]: RCFGBuilder took 314.00ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 31.0MB in the end (delta: 1.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,883 INFO L158 Benchmark]: TraceAbstraction took 2518.57ms. Allocated memory was 60.8MB in the beginning and 104.9MB in the end (delta: 44.0MB). Free memory was 30.5MB in the beginning and 38.7MB in the end (delta: -8.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,884 INFO L158 Benchmark]: Witness Printer took 60.43ms. Allocated memory is still 104.9MB. Free memory was 38.7MB in the beginning and 32.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:20,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.05ms. Allocated memory was 46.1MB in the beginning and 60.8MB in the end (delta: 14.7MB). Free memory was 21.3MB in the beginning and 37.8MB in the end (delta: -16.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.49ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 34.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 32.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.00ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 31.0MB in the end (delta: 1.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2518.57ms. Allocated memory was 60.8MB in the beginning and 104.9MB in the end (delta: 44.0MB). Free memory was 30.5MB in the beginning and 38.7MB in the end (delta: -8.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 60.43ms. Allocated memory is still 104.9MB. Free memory was 38.7MB in the beginning and 32.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2471.62ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 13.84ms, AutomataDifference: 1002.32ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 456.04ms, InitialAbstractionConstructionTime: 6.54ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 657 SdHoareTripleChecker+Valid, 784.44ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 657 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 609.24ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 455 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 916 IncrementalHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 916 mSolverCounterSat, 7.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 102.81ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 61.21ms AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 427 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 68.69ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 378.83ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 36.87ms SsaConstructionTime, 155.86ms SatisfiabilityAnalysisTime, 349.63ms InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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: 233]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:20,924 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...