./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1aa77a42d44aaff76210b78cb1336cb97af7d944 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:43:03,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:03,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:03,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:03,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:03,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:03,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:03,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:03,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:03,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:03,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:03,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:03,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:03,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:03,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:03,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:03,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:03,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:03,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:03,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:03,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:03,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:03,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:03,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:03,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:03,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:03,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:03,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:03,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:03,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:03,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:03,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:03,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:03,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:03,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:03,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:03,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:03,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:03,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:03,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:03,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:03,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:03,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:03,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:03,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:03,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:03,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:03,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:03,612 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:03,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:03,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:03,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:03,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:03,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:03,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:03,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:03,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:03,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:03,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:03,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:03,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:03,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:03,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:03,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:03,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:03,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:03,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2021-08-26 08:43:03,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:03,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:03,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:03,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:03,876 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:03,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-08-26 08:43:03,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033af280e/ea9e92d18e1a45f6bbb8cb4a4acd5b62/FLAG79e7dfbdd [2021-08-26 08:43:04,338 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:04,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-08-26 08:43:04,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033af280e/ea9e92d18e1a45f6bbb8cb4a4acd5b62/FLAG79e7dfbdd [2021-08-26 08:43:04,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033af280e/ea9e92d18e1a45f6bbb8cb4a4acd5b62 [2021-08-26 08:43:04,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:04,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:04,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:04,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:04,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:04,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f33ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04, skipping insertion in model container [2021-08-26 08:43:04,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:04,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:04,537 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-08-26 08:43:04,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:04,669 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:04,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-08-26 08:43:04,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:04,741 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:04,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04 WrapperNode [2021-08-26 08:43:04,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:04,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:04,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:04,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:04,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:04,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:04,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:04,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:04,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:04,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:04,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:04,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:04,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (1/1) ... [2021-08-26 08:43:04,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:04,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:04,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:43:04,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:43:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:05,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:05,563 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-08-26 08:43:05,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:05 BoogieIcfgContainer [2021-08-26 08:43:05,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:05,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:05,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:05,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:05,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:04" (1/3) ... [2021-08-26 08:43:05,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d211659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:05, skipping insertion in model container [2021-08-26 08:43:05,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:04" (2/3) ... [2021-08-26 08:43:05,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d211659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:05, skipping insertion in model container [2021-08-26 08:43:05,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:05" (3/3) ... [2021-08-26 08:43:05,569 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2021-08-26 08:43:05,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:05,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:05,608 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:05,612 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:43:05,612 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:43:05,626 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:05,626 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:05,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:05,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:05,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-08-26 08:43:05,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:05,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612089009] [2021-08-26 08:43:05,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:05,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:05,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:05,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612089009] [2021-08-26 08:43:05,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612089009] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:05,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:05,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:05,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367118397] [2021-08-26 08:43:05,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:05,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:05,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:05,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:05,872 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:05,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:05,897 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-08-26 08:43:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:05,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-26 08:43:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:05,904 INFO L225 Difference]: With dead ends: 264 [2021-08-26 08:43:05,904 INFO L226 Difference]: Without dead ends: 131 [2021-08-26 08:43:05,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-26 08:43:05,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-26 08:43:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-08-26 08:43:05,932 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-08-26 08:43:05,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:05,932 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-08-26 08:43:05,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:05,932 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-08-26 08:43:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:43:05,933 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:05,933 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:05,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:05,933 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:05,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:05,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-08-26 08:43:05,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:05,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579723731] [2021-08-26 08:43:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:05,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579723731] [2021-08-26 08:43:06,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579723731] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:06,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689768536] [2021-08-26 08:43:06,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:06,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:06,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,024 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,037 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-08-26 08:43:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:06,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-26 08:43:06,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,043 INFO L225 Difference]: With dead ends: 131 [2021-08-26 08:43:06,043 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:06,044 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:06,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:43:06,051 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-08-26 08:43:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,052 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:43:06,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:43:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:43:06,052 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:06,053 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-08-26 08:43:06,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438497489] [2021-08-26 08:43:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438497489] [2021-08-26 08:43:06,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438497489] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:06,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556806946] [2021-08-26 08:43:06,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:06,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,109 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,128 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-08-26 08:43:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:06,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 08:43:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,129 INFO L225 Difference]: With dead ends: 100 [2021-08-26 08:43:06,129 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:06,129 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:06,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-26 08:43:06,132 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-08-26 08:43:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,133 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-26 08:43:06,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-26 08:43:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:06,133 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,133 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:06,134 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,134 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-08-26 08:43:06,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936638830] [2021-08-26 08:43:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936638830] [2021-08-26 08:43:06,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936638830] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:06,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831159865] [2021-08-26 08:43:06,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:06,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:06,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,174 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,204 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-08-26 08:43:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:06,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:43:06,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,208 INFO L225 Difference]: With dead ends: 121 [2021-08-26 08:43:06,208 INFO L226 Difference]: Without dead ends: 74 [2021-08-26 08:43:06,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-08-26 08:43:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-08-26 08:43:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-08-26 08:43:06,221 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-08-26 08:43:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,221 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-08-26 08:43:06,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-08-26 08:43:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-26 08:43:06,222 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,222 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:06,222 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,222 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-08-26 08:43:06,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436828581] [2021-08-26 08:43:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436828581] [2021-08-26 08:43:06,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436828581] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:06,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046084598] [2021-08-26 08:43:06,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:06,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:06,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:06,290 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,377 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-08-26 08:43:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-26 08:43:06,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,379 INFO L225 Difference]: With dead ends: 372 [2021-08-26 08:43:06,379 INFO L226 Difference]: Without dead ends: 306 [2021-08-26 08:43:06,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-08-26 08:43:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-08-26 08:43:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4122137404580153) internal successors, (185), 131 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-08-26 08:43:06,392 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-08-26 08:43:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,392 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-08-26 08:43:06,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-08-26 08:43:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 08:43:06,393 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,393 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:06,394 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2021-08-26 08:43:06,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632376163] [2021-08-26 08:43:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632376163] [2021-08-26 08:43:06,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632376163] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:06,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730038116] [2021-08-26 08:43:06,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:06,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:06,448 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,525 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-08-26 08:43:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:06,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-26 08:43:06,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,527 INFO L225 Difference]: With dead ends: 378 [2021-08-26 08:43:06,527 INFO L226 Difference]: Without dead ends: 376 [2021-08-26 08:43:06,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 27.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-08-26 08:43:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-08-26 08:43:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-08-26 08:43:06,551 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-08-26 08:43:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,551 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-08-26 08:43:06,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-08-26 08:43:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:06,555 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,555 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:06,555 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2021-08-26 08:43:06,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764830934] [2021-08-26 08:43:06,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764830934] [2021-08-26 08:43:06,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764830934] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:06,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459921992] [2021-08-26 08:43:06,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:06,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:06,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:06,618 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,663 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-08-26 08:43:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:06,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:06,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,666 INFO L225 Difference]: With dead ends: 344 [2021-08-26 08:43:06,666 INFO L226 Difference]: Without dead ends: 218 [2021-08-26 08:43:06,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:06,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-08-26 08:43:06,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-08-26 08:43:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.3706293706293706) internal successors, (196), 143 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-08-26 08:43:06,680 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-08-26 08:43:06,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,681 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-08-26 08:43:06,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-08-26 08:43:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:06,683 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,684 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:06,684 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2021-08-26 08:43:06,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850064096] [2021-08-26 08:43:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850064096] [2021-08-26 08:43:06,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850064096] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:06,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019135760] [2021-08-26 08:43:06,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:06,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:06,738 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,774 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2021-08-26 08:43:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,776 INFO L225 Difference]: With dead ends: 340 [2021-08-26 08:43:06,776 INFO L226 Difference]: Without dead ends: 202 [2021-08-26 08:43:06,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-08-26 08:43:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2021-08-26 08:43:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-08-26 08:43:06,786 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-08-26 08:43:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,787 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-08-26 08:43:06,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-08-26 08:43:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:06,789 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,789 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:06,790 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,790 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2021-08-26 08:43:06,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727071385] [2021-08-26 08:43:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727071385] [2021-08-26 08:43:06,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727071385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:06,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14711518] [2021-08-26 08:43:06,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:06,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:06,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,848 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:06,874 INFO L93 Difference]: Finished difference Result 404 states and 548 transitions. [2021-08-26 08:43:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:06,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:06,878 INFO L225 Difference]: With dead ends: 404 [2021-08-26 08:43:06,878 INFO L226 Difference]: Without dead ends: 258 [2021-08-26 08:43:06,878 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-08-26 08:43:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 256. [2021-08-26 08:43:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 255 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2021-08-26 08:43:06,891 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2021-08-26 08:43:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:06,891 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2021-08-26 08:43:06,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2021-08-26 08:43:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:06,893 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:06,894 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:06,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:06,894 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:06,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:06,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2021-08-26 08:43:06,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:06,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524665527] [2021-08-26 08:43:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:06,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:06,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:06,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524665527] [2021-08-26 08:43:06,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524665527] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:06,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:06,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:43:06,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270113933] [2021-08-26 08:43:06,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:43:06,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:06,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:43:06,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:06,972 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,392 INFO L93 Difference]: Finished difference Result 1342 states and 1751 transitions. [2021-08-26 08:43:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-26 08:43:07,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:43:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,396 INFO L225 Difference]: With dead ends: 1342 [2021-08-26 08:43:07,396 INFO L226 Difference]: Without dead ends: 1092 [2021-08-26 08:43:07,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 139.7ms TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-08-26 08:43:07,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-08-26 08:43:07,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 256. [2021-08-26 08:43:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3137254901960784) internal successors, (335), 255 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2021-08-26 08:43:07,415 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2021-08-26 08:43:07,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,416 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2021-08-26 08:43:07,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2021-08-26 08:43:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:07,417 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,417 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:07,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:07,418 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2021-08-26 08:43:07,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883528475] [2021-08-26 08:43:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:07,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883528475] [2021-08-26 08:43:07,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883528475] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:07,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:07,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:07,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166072582] [2021-08-26 08:43:07,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:07,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:07,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:07,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:07,497 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:07,695 INFO L93 Difference]: Finished difference Result 1330 states and 1740 transitions. [2021-08-26 08:43:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:43:07,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:43:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:07,699 INFO L225 Difference]: With dead ends: 1330 [2021-08-26 08:43:07,699 INFO L226 Difference]: Without dead ends: 1080 [2021-08-26 08:43:07,699 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 41.9ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:07,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2021-08-26 08:43:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 472. [2021-08-26 08:43:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.3014861995753715) internal successors, (613), 471 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 613 transitions. [2021-08-26 08:43:07,729 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 613 transitions. Word has length 56 [2021-08-26 08:43:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:07,730 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 613 transitions. [2021-08-26 08:43:07,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 613 transitions. [2021-08-26 08:43:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:07,731 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:07,731 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:07,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:07,731 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:07,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2021-08-26 08:43:07,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:07,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936202452] [2021-08-26 08:43:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-26 08:43:07,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:07,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936202452] [2021-08-26 08:43:07,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936202452] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:43:07,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730968785] [2021-08-26 08:43:07,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:07,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:43:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:07,796 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) [2021-08-26 08:43:07,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:43:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:07,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:43:07,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:43:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:43:08,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730968785] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:08,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 08:43:08,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-08-26 08:43:08,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227109343] [2021-08-26 08:43:08,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:08,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:08,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:08,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:08,160 INFO L87 Difference]: Start difference. First operand 472 states and 613 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:08,227 INFO L93 Difference]: Finished difference Result 816 states and 1046 transitions. [2021-08-26 08:43:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:43:08,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:08,227 INFO L225 Difference]: With dead ends: 816 [2021-08-26 08:43:08,227 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:08,228 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 33.9ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:43:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:08,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:08,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:43:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:08,229 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:08,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:08,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:08,230 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:08,231 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:08,231 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:08,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:43:08,444 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,SelfDestructingSolverStorable11 [2021-08-26 08:43:08,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:08,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:08,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:09,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:13,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,502 INFO L853 garLoopResultBuilder]: At program point L102(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,502 INFO L853 garLoopResultBuilder]: At program point L102-1(lines 97 105) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse2 .cse4))) [2021-08-26 08:43:13,502 INFO L853 garLoopResultBuilder]: At program point L102-2(lines 97 105) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3))) [2021-08-26 08:43:13,502 INFO L853 garLoopResultBuilder]: At program point L102-3(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L853 garLoopResultBuilder]: At program point L102-4(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L853 garLoopResultBuilder]: At program point L102-5(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L853 garLoopResultBuilder]: At program point L102-6(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L853 garLoopResultBuilder]: At program point L102-7(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L853 garLoopResultBuilder]: At program point L102-8(lines 97 105) the Hoare annotation is: false [2021-08-26 08:43:13,503 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 351) no Hoare annotation was computed. [2021-08-26 08:43:13,503 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 351) no Hoare annotation was computed. [2021-08-26 08:43:13,503 INFO L857 garLoopResultBuilder]: For program point L334-2(lines 334 351) no Hoare annotation was computed. [2021-08-26 08:43:13,503 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-08-26 08:43:13,504 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 276 282) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse5 .cse3))) [2021-08-26 08:43:13,504 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 513) no Hoare annotation was computed. [2021-08-26 08:43:13,504 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)))) [2021-08-26 08:43:13,504 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2021-08-26 08:43:13,504 INFO L853 garLoopResultBuilder]: At program point L500-3(lines 1 984) the Hoare annotation is: false [2021-08-26 08:43:13,504 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 513) no Hoare annotation was computed. [2021-08-26 08:43:13,504 INFO L853 garLoopResultBuilder]: At program point L500-5(lines 1 984) the Hoare annotation is: false [2021-08-26 08:43:13,504 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,504 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L371-2(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L338-1(lines 338 346) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L371-4(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L371-6(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L371-8(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L371-10(lines 371 377) no Hoare annotation was computed. [2021-08-26 08:43:13,505 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 510) no Hoare annotation was computed. [2021-08-26 08:43:13,507 INFO L857 garLoopResultBuilder]: For program point L504-2(lines 504 510) no Hoare annotation was computed. [2021-08-26 08:43:13,507 INFO L853 garLoopResultBuilder]: At program point L405(lines 400 408) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0)) [2021-08-26 08:43:13,507 INFO L853 garLoopResultBuilder]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2021-08-26 08:43:13,507 INFO L857 garLoopResultBuilder]: For program point L504-4(lines 504 510) no Hoare annotation was computed. [2021-08-26 08:43:13,507 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2021-08-26 08:43:13,507 INFO L853 garLoopResultBuilder]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-08-26 08:43:13,507 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L853 garLoopResultBuilder]: At program point L538-1(lines 538 544) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)))) [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,508 INFO L857 garLoopResultBuilder]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L308-3(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,509 INFO L857 garLoopResultBuilder]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:43:13,510 INFO L857 garLoopResultBuilder]: For program point L308-4(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,510 INFO L857 garLoopResultBuilder]: For program point L308-5(lines 308 325) no Hoare annotation was computed. [2021-08-26 08:43:13,510 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-08-26 08:43:13,510 INFO L853 garLoopResultBuilder]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2))) [2021-08-26 08:43:13,510 INFO L857 garLoopResultBuilder]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2021-08-26 08:43:13,510 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2021-08-26 08:43:13,510 INFO L853 garLoopResultBuilder]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2021-08-26 08:43:13,510 INFO L853 garLoopResultBuilder]: At program point L607(lines 1 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 276 282) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L853 garLoopResultBuilder]: At program point L576(lines 527 577) the Hoare annotation is: false [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,511 INFO L857 garLoopResultBuilder]: For program point L312-3(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,512 INFO L857 garLoopResultBuilder]: For program point L312-4(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147(lines 138 151) the Hoare annotation is: false [2021-08-26 08:43:13,512 INFO L857 garLoopResultBuilder]: For program point L312-5(lines 312 320) no Hoare annotation was computed. [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse0 .cse1 .cse7 .cse5 .cse3 .cse6))) [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2021-08-26 08:43:13,512 INFO L853 garLoopResultBuilder]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L479(lines 464 482) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-08-26 08:43:13,513 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 257) no Hoare annotation was computed. [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2021-08-26 08:43:13,513 INFO L853 garLoopResultBuilder]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2021-08-26 08:43:13,513 INFO L860 garLoopResultBuilder]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 554) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L853 garLoopResultBuilder]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse5 .cse3))) [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L853 garLoopResultBuilder]: At program point L615(lines 610 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L89(lines 89 93) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,514 INFO L857 garLoopResultBuilder]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L853 garLoopResultBuilder]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L853 garLoopResultBuilder]: At program point L157(lines 152 160) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3))) [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point L454-9(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L853 garLoopResultBuilder]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point L454-11(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,515 INFO L853 garLoopResultBuilder]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2021-08-26 08:43:13,515 INFO L857 garLoopResultBuilder]: For program point L454-12(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L857 garLoopResultBuilder]: For program point L454-14(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L857 garLoopResultBuilder]: For program point L454-15(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L857 garLoopResultBuilder]: For program point L454-17(lines 454 458) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L860 garLoopResultBuilder]: At program point L259(lines 240 262) the Hoare annotation is: true [2021-08-26 08:43:13,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-08-26 08:43:13,516 INFO L853 garLoopResultBuilder]: At program point L460(lines 445 463) the Hoare annotation is: false [2021-08-26 08:43:13,516 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 445 463) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse8 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse5))) [2021-08-26 08:43:13,516 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2021-08-26 08:43:13,517 INFO L853 garLoopResultBuilder]: At program point L460-3(lines 445 463) the Hoare annotation is: false [2021-08-26 08:43:13,517 INFO L853 garLoopResultBuilder]: At program point L460-4(lines 445 463) the Hoare annotation is: false [2021-08-26 08:43:13,517 INFO L853 garLoopResultBuilder]: At program point L460-5(lines 445 463) the Hoare annotation is: false [2021-08-26 08:43:13,517 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-08-26 08:43:13,517 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:13,517 INFO L857 garLoopResultBuilder]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2021-08-26 08:43:13,517 INFO L857 garLoopResultBuilder]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2021-08-26 08:43:13,517 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:13,517 INFO L853 garLoopResultBuilder]: At program point L396(lines 389 399) the Hoare annotation is: false [2021-08-26 08:43:13,518 INFO L853 garLoopResultBuilder]: At program point L396-1(lines 389 399) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 (not .cse3) .cse4 (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse2 .cse4))) [2021-08-26 08:43:13,518 INFO L853 garLoopResultBuilder]: At program point L396-2(lines 389 399) the Hoare annotation is: false [2021-08-26 08:43:13,518 INFO L853 garLoopResultBuilder]: At program point L396-3(lines 389 399) the Hoare annotation is: false [2021-08-26 08:43:13,518 INFO L853 garLoopResultBuilder]: At program point L396-4(lines 389 399) the Hoare annotation is: false [2021-08-26 08:43:13,518 INFO L853 garLoopResultBuilder]: At program point L396-5(lines 389 399) the Hoare annotation is: false [2021-08-26 08:43:13,518 INFO L857 garLoopResultBuilder]: For program point L529(lines 528 575) no Hoare annotation was computed. [2021-08-26 08:43:13,518 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-08-26 08:43:13,521 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:13,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:13 BoogieIcfgContainer [2021-08-26 08:43:13,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:13,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:13,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:13,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:13,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:05" (3/4) ... [2021-08-26 08:43:13,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:13,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:13,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:13,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:13,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:13,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:13,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:13,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:13,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) [2021-08-26 08:43:13,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) [2021-08-26 08:43:13,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-08-26 08:43:13,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) [2021-08-26 08:43:13,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) [2021-08-26 08:43:13,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel [2021-08-26 08:43:13,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) || (((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == 0) [2021-08-26 08:43:13,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-08-26 08:43:13,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-08-26 08:43:13,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-08-26 08:43:13,604 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:13,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:13,605 INFO L168 Benchmark]: Toolchain (without parser) took 9236.63 ms. Allocated memory was 65.0 MB in the beginning and 226.5 MB in the end (delta: 161.5 MB). Free memory was 44.6 MB in the beginning and 108.4 MB in the end (delta: -63.7 MB). Peak memory consumption was 97.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,606 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:13,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.65 ms. Allocated memory is still 65.0 MB. Free memory was 44.5 MB in the beginning and 39.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 35.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,606 INFO L168 Benchmark]: Boogie Preprocessor took 54.48 ms. Allocated memory is still 65.0 MB. Free memory was 35.5 MB in the beginning and 32.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,606 INFO L168 Benchmark]: RCFGBuilder took 726.65 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 32.7 MB in the beginning and 49.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,607 INFO L168 Benchmark]: TraceAbstraction took 7972.51 ms. Allocated memory was 86.0 MB in the beginning and 226.5 MB in the end (delta: 140.5 MB). Free memory was 49.3 MB in the beginning and 120.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 121.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,607 INFO L168 Benchmark]: Witness Printer took 66.74 ms. Allocated memory is still 226.5 MB. Free memory was 120.9 MB in the beginning and 108.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:13,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.65 ms. Allocated memory is still 65.0 MB. Free memory was 44.5 MB in the beginning and 39.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 35.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.48 ms. Allocated memory is still 65.0 MB. Free memory was 35.5 MB in the beginning and 32.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 726.65 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 32.7 MB in the beginning and 49.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7972.51 ms. Allocated memory was 86.0 MB in the beginning and 226.5 MB in the end (delta: 140.5 MB). Free memory was 49.3 MB in the beginning and 120.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 121.4 MB. Max. memory is 16.1 GB. * Witness Printer took 66.74 ms. Allocated memory is still 226.5 MB. Free memory was 120.9 MB in the beginning and 108.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7913.9ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 18.3ms, AutomataDifference: 1123.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5056.3ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1430 SDtfs, 1966 SDslu, 2938 SDs, 0 SdLazy, 391 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 406.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 305.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=472occurred in iteration=11, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 151.2ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1990 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 192 NumberOfFragments, 784 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1112273 FormulaSimplificationTreeSizeReduction, 1061.4ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 450280 FormulaSimplificationTreeSizeReductionInter, 3977.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 72.1ms SsaConstructionTime, 322.3ms SatisfiabilityAnalysisTime, 720.2ms InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 3 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 40/42 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: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) || (((((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= tmp___0) && 1 <= \result) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == 0) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:13,645 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...