./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_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 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:15:12,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:15:12,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:15:12,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:15:12,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:15:12,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:15:12,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:15:12,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:15:12,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:15:12,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:15:12,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:15:12,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:15:12,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:15:12,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:15:12,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:15:12,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:15:12,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:15:12,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:15:12,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:15:12,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:15:12,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:15:12,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:15:12,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:15:12,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:15:12,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:15:12,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:15:12,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:15:12,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:15:12,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:15:12,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:15:12,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:15:12,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:15:12,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:15:12,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:15:12,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:15:12,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:15:12,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:15:12,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:15:12,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:15:12,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:15:12,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:15:12,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:15:12,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:15:12,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:15:12,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:15:12,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:15:12,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:15:12,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:15:12,763 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:15:12,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:15:12,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:15:12,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:15:12,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:15:12,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:15:12,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:15:12,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:15:12,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:15:12,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:15:12,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:15:12,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:12,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:15:12,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:15:12,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:15:12,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:15:12,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:15:12,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:15:12,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:15:12,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 [2021-08-29 16:15:13,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:15:13,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:15:13,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:15:13,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:15:13,088 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:15:13,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-08-29 16:15:13,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4839d8423/9081c22a9fb94904b110a38cf87bf148/FLAG8ab3ff4f5 [2021-08-29 16:15:13,729 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:15:13,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-08-29 16:15:13,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4839d8423/9081c22a9fb94904b110a38cf87bf148/FLAG8ab3ff4f5 [2021-08-29 16:15:14,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4839d8423/9081c22a9fb94904b110a38cf87bf148 [2021-08-29 16:15:14,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:15:14,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:15:14,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:14,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:15:14,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:15:14,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a60243d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14, skipping insertion in model container [2021-08-29 16:15:14,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:15:14,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:15:14,613 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_spec2_product58.cil.c[18846,18859] [2021-08-29 16:15:14,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:14,630 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:15:14,729 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_spec2_product58.cil.c[18846,18859] [2021-08-29 16:15:14,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:14,750 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:15:14,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14 WrapperNode [2021-08-29 16:15:14,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:14,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:14,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:15:14,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:15:14,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:14,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:15:14,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:15:14,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:15:14,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:15:14,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:15:14,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:15:14,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:15:14,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (1/1) ... [2021-08-29 16:15:14,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:15:14,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:15:14,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:15:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:15:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:15:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:15:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:15:15,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:15:15,522 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-08-29 16:15:15,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:15 BoogieIcfgContainer [2021-08-29 16:15:15,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:15:15,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:15:15,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:15:15,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:15:15,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:15:14" (1/3) ... [2021-08-29 16:15:15,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d3e03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:15, skipping insertion in model container [2021-08-29 16:15:15,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:14" (2/3) ... [2021-08-29 16:15:15,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d3e03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:15, skipping insertion in model container [2021-08-29 16:15:15,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:15" (3/3) ... [2021-08-29 16:15:15,533 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2021-08-29 16:15:15,537 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:15:15,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:15:15,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:15:15,594 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:15:15,595 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:15:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:15:15,620 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:15,621 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:15,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:15,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:15,627 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2021-08-29 16:15:15,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:15,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463712209] [2021-08-29 16:15:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:15,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:15,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:15,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463712209] [2021-08-29 16:15:15,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463712209] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:15,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:15,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:15,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593918759] [2021-08-29 16:15:15,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:15:15,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:15,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:15:15,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:15,896 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:16,277 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-08-29 16:15:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:15:16,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-08-29 16:15:16,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:16,287 INFO L225 Difference]: With dead ends: 271 [2021-08-29 16:15:16,287 INFO L226 Difference]: Without dead ends: 135 [2021-08-29 16:15:16,292 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:16,295 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 252.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 336.96ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:16,296 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 201 Unknown, 0 Unchecked, 1.77ms Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 336.96ms Time] [2021-08-29 16:15:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-08-29 16:15:16,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-08-29 16:15:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-08-29 16:15:16,336 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-08-29 16:15:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:16,337 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-08-29 16:15:16,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-08-29 16:15:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:15:16,338 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:16,338 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:16,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:15:16,338 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:16,339 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2021-08-29 16:15:16,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:16,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615584946] [2021-08-29 16:15:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:16,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:16,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:16,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615584946] [2021-08-29 16:15:16,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615584946] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:16,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:16,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:16,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241103951] [2021-08-29 16:15:16,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:16,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:16,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:16,413 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:16,550 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-08-29 16:15:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:16,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-08-29 16:15:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:16,552 INFO L225 Difference]: With dead ends: 135 [2021-08-29 16:15:16,552 INFO L226 Difference]: Without dead ends: 55 [2021-08-29 16:15:16,553 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:16,554 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 71 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.62ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:16,555 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 1.18ms Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 119.62ms Time] [2021-08-29 16:15:16,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-08-29 16:15:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-08-29 16:15:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-08-29 16:15:16,562 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-08-29 16:15:16,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:16,562 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-08-29 16:15:16,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-08-29 16:15:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:15:16,564 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:16,564 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:16,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:15:16,564 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:16,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:16,571 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2021-08-29 16:15:16,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:16,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899364084] [2021-08-29 16:15:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:16,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:16,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:16,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899364084] [2021-08-29 16:15:16,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899364084] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:16,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:16,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:16,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740551125] [2021-08-29 16:15:16,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:16,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:16,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:16,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:16,636 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:16,779 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-08-29 16:15:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:16,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:15:16,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:16,784 INFO L225 Difference]: With dead ends: 103 [2021-08-29 16:15:16,784 INFO L226 Difference]: Without dead ends: 55 [2021-08-29 16:15:16,788 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:16,794 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.67ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.56ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:16,796 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 0 Invalid, 79 Unknown, 0 Unchecked, 1.67ms Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 118.56ms Time] [2021-08-29 16:15:16,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-08-29 16:15:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-08-29 16:15:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-08-29 16:15:16,810 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-08-29 16:15:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:16,810 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-08-29 16:15:16,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-08-29 16:15:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:15:16,813 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:16,813 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:16,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:15:16,814 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:16,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:16,815 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2021-08-29 16:15:16,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:16,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791763160] [2021-08-29 16:15:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:16,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:16,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:16,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791763160] [2021-08-29 16:15:16,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791763160] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:16,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:16,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:16,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124479550] [2021-08-29 16:15:16,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:16,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:16,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:16,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:16,905 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:17,062 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-08-29 16:15:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:17,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 16:15:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:17,064 INFO L225 Difference]: With dead ends: 125 [2021-08-29 16:15:17,064 INFO L226 Difference]: Without dead ends: 77 [2021-08-29 16:15:17,064 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:17,065 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.11ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:17,065 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 124 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [6 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 145.11ms Time] [2021-08-29 16:15:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-08-29 16:15:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-08-29 16:15:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-08-29 16:15:17,080 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-08-29 16:15:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:17,081 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-08-29 16:15:17,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-08-29 16:15:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:17,083 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:17,083 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:17,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:15:17,084 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:17,085 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2021-08-29 16:15:17,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:17,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919454481] [2021-08-29 16:15:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:17,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:17,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:17,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919454481] [2021-08-29 16:15:17,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919454481] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:17,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:17,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:17,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411124618] [2021-08-29 16:15:17,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:17,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:17,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:17,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:17,140 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:17,306 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2021-08-29 16:15:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:17,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 32 [2021-08-29 16:15:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:17,308 INFO L225 Difference]: With dead ends: 194 [2021-08-29 16:15:17,308 INFO L226 Difference]: Without dead ends: 126 [2021-08-29 16:15:17,309 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:17,310 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.45ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:17,310 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 154.45ms Time] [2021-08-29 16:15:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-29 16:15:17,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-08-29 16:15:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-08-29 16:15:17,321 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2021-08-29 16:15:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:17,321 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-08-29 16:15:17,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-08-29 16:15:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:17,323 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:17,323 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:17,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:15:17,323 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:17,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:17,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2021-08-29 16:15:17,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:17,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479236683] [2021-08-29 16:15:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:17,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:17,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:17,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479236683] [2021-08-29 16:15:17,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479236683] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:17,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:17,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:17,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606203026] [2021-08-29 16:15:17,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:17,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:17,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:17,381 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:17,900 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2021-08-29 16:15:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:15:17,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-08-29 16:15:17,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:17,904 INFO L225 Difference]: With dead ends: 622 [2021-08-29 16:15:17,905 INFO L226 Difference]: Without dead ends: 505 [2021-08-29 16:15:17,907 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 27.09ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:17,908 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 307 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 330.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.58ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 451.20ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:17,908 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 0 Invalid, 513 Unknown, 0 Unchecked, 5.58ms Time], IncrementalHoareTripleChecker [13 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 451.20ms Time] [2021-08-29 16:15:17,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-08-29 16:15:17,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2021-08-29 16:15:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.3893805309734513) internal successors, (314), 226 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2021-08-29 16:15:17,930 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2021-08-29 16:15:17,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:17,930 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2021-08-29 16:15:17,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2021-08-29 16:15:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:15:17,932 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:17,932 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:17,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:15:17,933 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:17,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:17,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2021-08-29 16:15:17,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:17,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327303134] [2021-08-29 16:15:17,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:17,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:17,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:17,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327303134] [2021-08-29 16:15:17,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327303134] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:17,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:17,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:17,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450206379] [2021-08-29 16:15:17,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:17,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:17,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:17,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:17,986 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:18,470 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2021-08-29 16:15:18,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:15:18,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-08-29 16:15:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:18,475 INFO L225 Difference]: With dead ends: 865 [2021-08-29 16:15:18,476 INFO L226 Difference]: Without dead ends: 645 [2021-08-29 16:15:18,476 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.25ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:18,477 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 251 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 323.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 413.34ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:18,477 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 0 Invalid, 557 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [5 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 413.34ms Time] [2021-08-29 16:15:18,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-08-29 16:15:18,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2021-08-29 16:15:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.375) internal successors, (308), 224 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2021-08-29 16:15:18,511 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2021-08-29 16:15:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:18,512 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2021-08-29 16:15:18,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2021-08-29 16:15:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:18,520 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:18,521 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:18,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:15:18,521 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:18,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:18,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2021-08-29 16:15:18,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:18,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28019888] [2021-08-29 16:15:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:18,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:18,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:18,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28019888] [2021-08-29 16:15:18,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28019888] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:18,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:18,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:18,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817886183] [2021-08-29 16:15:18,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:18,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:18,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:18,611 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:18,913 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2021-08-29 16:15:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:15:18,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-08-29 16:15:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:18,916 INFO L225 Difference]: With dead ends: 609 [2021-08-29 16:15:18,916 INFO L226 Difference]: Without dead ends: 391 [2021-08-29 16:15:18,917 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.83ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:18,917 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 114 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 195.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 256.54ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:18,918 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 0 Invalid, 369 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [6 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 256.54ms Time] [2021-08-29 16:15:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-08-29 16:15:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2021-08-29 16:15:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 242 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2021-08-29 16:15:18,940 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2021-08-29 16:15:18,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:18,941 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2021-08-29 16:15:18,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2021-08-29 16:15:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:18,942 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:18,942 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:18,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:15:18,942 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:18,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:18,943 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2021-08-29 16:15:18,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:18,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764029090] [2021-08-29 16:15:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:18,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:18,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:18,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764029090] [2021-08-29 16:15:18,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764029090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:18,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:18,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:18,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008605921] [2021-08-29 16:15:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:15:18,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:18,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:15:18,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:18,982 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:19,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:19,198 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2021-08-29 16:15:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:15:19,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2021-08-29 16:15:19,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:19,199 INFO L225 Difference]: With dead ends: 512 [2021-08-29 16:15:19,200 INFO L226 Difference]: Without dead ends: 276 [2021-08-29 16:15:19,200 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:19,201 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 70 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 185.85ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:19,201 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 0 Invalid, 254 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [3 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 185.85ms Time] [2021-08-29 16:15:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-08-29 16:15:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2021-08-29 16:15:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3152709359605912) internal successors, (267), 203 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2021-08-29 16:15:19,215 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2021-08-29 16:15:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:19,215 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2021-08-29 16:15:19,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2021-08-29 16:15:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-29 16:15:19,216 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:19,216 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:19,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:15:19,217 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2021-08-29 16:15:19,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:19,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237484325] [2021-08-29 16:15:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:19,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:19,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:19,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237484325] [2021-08-29 16:15:19,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237484325] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:19,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:19,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-29 16:15:19,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482992995] [2021-08-29 16:15:19,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 16:15:19,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:19,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 16:15:19,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:15:19,303 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:20,464 INFO L93 Difference]: Finished difference Result 959 states and 1250 transitions. [2021-08-29 16:15:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-29 16:15:20,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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 37 [2021-08-29 16:15:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:20,468 INFO L225 Difference]: With dead ends: 959 [2021-08-29 16:15:20,468 INFO L226 Difference]: Without dead ends: 762 [2021-08-29 16:15:20,469 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 143.91ms TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-08-29 16:15:20,469 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 474 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 725.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.24ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 924.16ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:20,470 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 0 Invalid, 1560 Unknown, 0 Unchecked, 8.24ms Time], IncrementalHoareTripleChecker [25 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 924.16ms Time] [2021-08-29 16:15:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-08-29 16:15:20,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 204. [2021-08-29 16:15:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.29064039408867) internal successors, (262), 203 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2021-08-29 16:15:20,488 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2021-08-29 16:15:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:20,488 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2021-08-29 16:15:20,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2021-08-29 16:15:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:15:20,490 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:20,490 INFO L513 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, 1, 1] [2021-08-29 16:15:20,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:15:20,490 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:20,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2021-08-29 16:15:20,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:20,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868636495] [2021-08-29 16:15:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:20,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:15:20,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:20,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868636495] [2021-08-29 16:15:20,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868636495] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:20,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:20,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:20,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794935583] [2021-08-29 16:15:20,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:20,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:20,544 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:20,870 INFO L93 Difference]: Finished difference Result 482 states and 633 transitions. [2021-08-29 16:15:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:15:20,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-29 16:15:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:20,873 INFO L225 Difference]: With dead ends: 482 [2021-08-29 16:15:20,873 INFO L226 Difference]: Without dead ends: 335 [2021-08-29 16:15:20,874 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.53ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:20,875 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 166 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 281.93ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:20,875 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 0 Invalid, 397 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [0 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 281.93ms Time] [2021-08-29 16:15:20,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-08-29 16:15:20,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 210. [2021-08-29 16:15:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 1.2822966507177034) internal successors, (268), 209 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2021-08-29 16:15:20,891 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2021-08-29 16:15:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:20,892 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2021-08-29 16:15:20,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2021-08-29 16:15:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:15:20,893 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:20,894 INFO L513 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, 1, 1] [2021-08-29 16:15:20,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:15:20,894 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:20,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:20,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2021-08-29 16:15:20,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:20,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332614163] [2021-08-29 16:15:20,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:20,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:20,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:20,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332614163] [2021-08-29 16:15:20,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332614163] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:20,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:20,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:20,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332995327] [2021-08-29 16:15:20,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:20,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:20,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:20,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:20,975 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:21,140 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2021-08-29 16:15:21,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:21,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-08-29 16:15:21,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:21,143 INFO L225 Difference]: With dead ends: 331 [2021-08-29 16:15:21,143 INFO L226 Difference]: Without dead ends: 329 [2021-08-29 16:15:21,143 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.10ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:21,144 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.19ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:21,144 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 148 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 136.19ms Time] [2021-08-29 16:15:21,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-08-29 16:15:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2021-08-29 16:15:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 235 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2021-08-29 16:15:21,169 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2021-08-29 16:15:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:21,169 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2021-08-29 16:15:21,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2021-08-29 16:15:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:15:21,171 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:21,172 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:21,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:15:21,172 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:21,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:21,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2021-08-29 16:15:21,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:21,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007850691] [2021-08-29 16:15:21,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:21,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:15:21,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:21,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007850691] [2021-08-29 16:15:21,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007850691] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:21,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:21,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:21,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759799394] [2021-08-29 16:15:21,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:21,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:21,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:21,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:21,306 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:21,619 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2021-08-29 16:15:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:15:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) Word has length 82 [2021-08-29 16:15:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:21,622 INFO L225 Difference]: With dead ends: 589 [2021-08-29 16:15:21,622 INFO L226 Difference]: Without dead ends: 410 [2021-08-29 16:15:21,623 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.43ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:21,623 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 133 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 264.89ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:21,624 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 0 Invalid, 352 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [6 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 264.89ms Time] [2021-08-29 16:15:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-08-29 16:15:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2021-08-29 16:15:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.3059701492537314) internal successors, (350), 268 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2021-08-29 16:15:21,645 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2021-08-29 16:15:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:21,646 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2021-08-29 16:15:21,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2021-08-29 16:15:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:15:21,647 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:21,647 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:21,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 16:15:21,648 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:21,648 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2021-08-29 16:15:21,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:21,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375295007] [2021-08-29 16:15:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:21,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:21,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:21,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375295007] [2021-08-29 16:15:21,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375295007] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:15:21,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423671529] [2021-08-29 16:15:21,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:21,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:15:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:15:21,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:15:21,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:15:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:21,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 16:15:21,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:15:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:22,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:15:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:22,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423671529] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:15:22,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:15:22,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-08-29 16:15:22,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438244425] [2021-08-29 16:15:22,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:15:22,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:22,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:15:22,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:22,338 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:22,548 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2021-08-29 16:15:22,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:15:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2021-08-29 16:15:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:22,550 INFO L225 Difference]: With dead ends: 559 [2021-08-29 16:15:22,550 INFO L226 Difference]: Without dead ends: 294 [2021-08-29 16:15:22,551 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.25ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:22,551 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 59 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 178.16ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:22,551 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 0 Invalid, 164 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 178.16ms Time] [2021-08-29 16:15:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-08-29 16:15:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-08-29 16:15:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.2527472527472527) internal successors, (342), 273 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2021-08-29 16:15:22,592 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2021-08-29 16:15:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:22,593 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2021-08-29 16:15:22,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2021-08-29 16:15:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-08-29 16:15:22,594 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:22,594 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:22,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:15:22,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-29 16:15:22,813 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:22,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:22,814 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2021-08-29 16:15:22,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:22,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839928949] [2021-08-29 16:15:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:22,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-29 16:15:22,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:22,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839928949] [2021-08-29 16:15:22,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839928949] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:22,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:22,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:22,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873514601] [2021-08-29 16:15:22,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:22,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:22,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:22,903 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:23,310 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2021-08-29 16:15:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:15:23,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 83 [2021-08-29 16:15:23,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:23,311 INFO L225 Difference]: With dead ends: 608 [2021-08-29 16:15:23,311 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:15:23,314 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 48.53ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:23,314 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 166 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 331.60ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:23,315 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 0 Invalid, 401 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [8 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 331.60ms Time] [2021-08-29 16:15:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:15:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:15:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:15:23,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-08-29 16:15:23,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:23,317 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:15:23,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:15:23,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:15:23,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:15:23,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:15:23,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:15:23,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 16:15:23,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:15:23,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:23,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:24,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:25,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:29,673 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,673 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,673 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 671) no Hoare annotation was computed. [2021-08-29 16:15:29,673 INFO L858 garLoopResultBuilder]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,674 INFO L858 garLoopResultBuilder]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2021-08-29 16:15:29,675 INFO L854 garLoopResultBuilder]: At program point L730(lines 725 733) 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)) [2021-08-29 16:15:29,675 INFO L854 garLoopResultBuilder]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2021-08-29 16:15:29,675 INFO L854 garLoopResultBuilder]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2021-08-29 16:15:29,675 INFO L858 garLoopResultBuilder]: For program point L533(lines 532 579) no Hoare annotation was computed. [2021-08-29 16:15:29,675 INFO L858 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,675 INFO L858 garLoopResultBuilder]: For program point L996-1(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,675 INFO L858 garLoopResultBuilder]: For program point L996-2(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,676 INFO L858 garLoopResultBuilder]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 538) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,677 INFO L858 garLoopResultBuilder]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138-1(lines 129 142) 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))) [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-08-29 16:15:29,678 INFO L854 garLoopResultBuilder]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse3 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse3 .cse2))) [2021-08-29 16:15:29,679 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-08-29 16:15:29,679 INFO L854 garLoopResultBuilder]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2021-08-29 16:15:29,679 INFO L854 garLoopResultBuilder]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2021-08-29 16:15:29,679 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-08-29 16:15:29,679 INFO L854 garLoopResultBuilder]: At program point L570-2(lines 601 607) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse3) (and .cse0 .cse1 .cse2 .cse6 .cse3 (<= 1 ~waterLevel~0)))) [2021-08-29 16:15:29,679 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 852) no Hoare annotation was computed. [2021-08-29 16:15:29,680 INFO L854 garLoopResultBuilder]: At program point L835-1(lines 1 999) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 (not .cse2) .cse4 (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0)))) [2021-08-29 16:15:29,680 INFO L858 garLoopResultBuilder]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2021-08-29 16:15:29,680 INFO L854 garLoopResultBuilder]: At program point L835-3(lines 1 999) the Hoare annotation is: false [2021-08-29 16:15:29,680 INFO L858 garLoopResultBuilder]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2021-08-29 16:15:29,680 INFO L854 garLoopResultBuilder]: At program point L835-5(lines 1 999) the Hoare annotation is: false [2021-08-29 16:15:29,680 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,680 INFO L858 garLoopResultBuilder]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L858 garLoopResultBuilder]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L858 garLoopResultBuilder]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L858 garLoopResultBuilder]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L858 garLoopResultBuilder]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,681 INFO L854 garLoopResultBuilder]: At program point L804(lines 789 807) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0)) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6))) [2021-08-29 16:15:29,682 INFO L854 garLoopResultBuilder]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2021-08-29 16:15:29,682 INFO L854 garLoopResultBuilder]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2021-08-29 16:15:29,682 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 849) no Hoare annotation was computed. [2021-08-29 16:15:29,682 INFO L858 garLoopResultBuilder]: For program point L839-2(lines 839 849) no Hoare annotation was computed. [2021-08-29 16:15:29,682 INFO L858 garLoopResultBuilder]: For program point L839-4(lines 839 849) no Hoare annotation was computed. [2021-08-29 16:15:29,682 INFO L854 garLoopResultBuilder]: At program point L608(lines 608 614) 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))) [2021-08-29 16:15:29,682 INFO L854 garLoopResultBuilder]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-08-29 16:15:29,683 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 548) no Hoare annotation was computed. [2021-08-29 16:15:29,683 INFO L854 garLoopResultBuilder]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-08-29 16:15:29,683 INFO L854 garLoopResultBuilder]: At program point L542-1(lines 542 548) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse5 .cse1 (not .cse2) .cse4 (= ~methaneLevelCritical~0 1) .cse6) (and .cse0 .cse5 .cse1 .cse3 .cse4 .cse6))) [2021-08-29 16:15:29,683 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-08-29 16:15:29,683 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 846) no Hoare annotation was computed. [2021-08-29 16:15:29,683 INFO L854 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-08-29 16:15:29,684 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 846) no Hoare annotation was computed. [2021-08-29 16:15:29,684 INFO L858 garLoopResultBuilder]: For program point L840-4(lines 840 846) no Hoare annotation was computed. [2021-08-29 16:15:29,684 INFO L858 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-08-29 16:15:29,684 INFO L854 garLoopResultBuilder]: At program point L148(lines 143 151) 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 (= ~methAndRunningLastTime~0 0) .cse2 (= ~methaneLevelCritical~0 1) .cse3))) [2021-08-29 16:15:29,684 INFO L854 garLoopResultBuilder]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-08-29 16:15:29,684 INFO L854 garLoopResultBuilder]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-08-29 16:15:29,684 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L910-1(lines 601 607) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L854 garLoopResultBuilder]: At program point L580(lines 531 581) the Hoare annotation is: false [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,685 INFO L858 garLoopResultBuilder]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,686 INFO L858 garLoopResultBuilder]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,687 INFO L858 garLoopResultBuilder]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2021-08-29 16:15:29,687 INFO L858 garLoopResultBuilder]: For program point L978(lines 978 985) no Hoare annotation was computed. [2021-08-29 16:15:29,687 INFO L861 garLoopResultBuilder]: At program point L978-1(lines 978 985) the Hoare annotation is: true [2021-08-29 16:15:29,687 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-08-29 16:15:29,687 INFO L858 garLoopResultBuilder]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-08-29 16:15:29,687 INFO L854 garLoopResultBuilder]: At program point L882(lines 1 999) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:29,688 INFO L858 garLoopResultBuilder]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-08-29 16:15:29,688 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 558) no Hoare annotation was computed. [2021-08-29 16:15:29,688 INFO L854 garLoopResultBuilder]: At program point L552-1(lines 552 558) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse5))) [2021-08-29 16:15:29,688 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:15:29,688 INFO L854 garLoopResultBuilder]: At program point L785(lines 770 788) the Hoare annotation is: false [2021-08-29 16:15:29,688 INFO L854 garLoopResultBuilder]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~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 .cse2 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse8 .cse5))) [2021-08-29 16:15:29,688 INFO L854 garLoopResultBuilder]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2021-08-29 16:15:29,689 INFO L854 garLoopResultBuilder]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2021-08-29 16:15:29,689 INFO L854 garLoopResultBuilder]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2021-08-29 16:15:29,689 INFO L854 garLoopResultBuilder]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2021-08-29 16:15:29,689 INFO L854 garLoopResultBuilder]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,689 INFO L854 garLoopResultBuilder]: At program point L93-1(lines 88 96) 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))) [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-2(lines 88 96) 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))) [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,690 INFO L854 garLoopResultBuilder]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L721(lines 714 724) the Hoare annotation is: false [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L721-1(lines 714 724) 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))) [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2021-08-29 16:15:29,691 INFO L854 garLoopResultBuilder]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2021-08-29 16:15:29,692 INFO L854 garLoopResultBuilder]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2021-08-29 16:15:29,692 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:15:29,692 INFO L861 garLoopResultBuilder]: At program point L987(lines 968 990) the Hoare annotation is: true [2021-08-29 16:15:29,692 INFO L854 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:29,692 INFO L854 garLoopResultBuilder]: At program point L890(lines 885 893) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:29,692 INFO L854 garLoopResultBuilder]: At program point L824(lines 819 826) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point L659(lines 659 676) no Hoare annotation was computed. [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-08-29 16:15:29,693 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 575) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-08-29 16:15:29,694 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-08-29 16:15:29,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:15:29,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:15:29 BoogieIcfgContainer [2021-08-29 16:15:29,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:15:29,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:15:29,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:15:29,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:15:29,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:15" (3/4) ... [2021-08-29 16:15:29,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:15:29,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:15:29,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:15:29,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:15:29,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:15:29,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:15:29,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:29,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:29,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) [2021-08-29 16:15:29,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-08-29 16:15:29,768 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) [2021-08-29 16:15:29,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) [2021-08-29 16:15:29,769 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) [2021-08-29 16:15:29,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel [2021-08-29 16:15:29,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) || (((((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) [2021-08-29 16:15:29,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 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) [2021-08-29 16:15:29,771 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) [2021-08-29 16:15:29,772 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) [2021-08-29 16:15:29,830 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:15:29,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:15:29,831 INFO L158 Benchmark]: Toolchain (without parser) took 15652.79ms. Allocated memory was 65.0MB in the beginning and 180.4MB in the end (delta: 115.3MB). Free memory was 44.5MB in the beginning and 67.5MB in the end (delta: -23.1MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,832 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:15:29,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.78ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 39.2MB in the end (delta: 5.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.48ms. Allocated memory is still 65.0MB. Free memory was 39.1MB in the beginning and 35.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,833 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 65.0MB. Free memory was 35.0MB in the beginning and 31.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,833 INFO L158 Benchmark]: RCFGBuilder took 646.68ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 31.9MB in the beginning and 54.3MB in the end (delta: -22.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,834 INFO L158 Benchmark]: TraceAbstraction took 14193.68ms. Allocated memory was 81.8MB in the beginning and 180.4MB in the end (delta: 98.6MB). Free memory was 53.9MB in the beginning and 80.1MB in the end (delta: -26.3MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,834 INFO L158 Benchmark]: Witness Printer took 109.07ms. Allocated memory is still 180.4MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:15:29,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.78ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 39.2MB in the end (delta: 5.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.48ms. Allocated memory is still 65.0MB. Free memory was 39.1MB in the beginning and 35.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 65.0MB. Free memory was 35.0MB in the beginning and 31.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 646.68ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 31.9MB in the beginning and 54.3MB in the end (delta: -22.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14193.68ms. Allocated memory was 81.8MB in the beginning and 180.4MB in the end (delta: 98.6MB). Free memory was 53.9MB in the beginning and 80.1MB in the end (delta: -26.3MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. * Witness Printer took 109.07ms. Allocated memory is still 180.4MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14112.58ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 32.12ms, AutomataDifference: 5237.94ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 6351.42ms, InitialAbstractionConstructionTime: 13.89ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2006 SdHoareTripleChecker+Valid, 4298.55ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2006 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3258.38ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3116 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5269 IncrementalHoareTripleChecker+Invalid, 5353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 0 mSDtfsCounter, 5269 mSolverCounterSat, 32.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 324.17ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 279.17ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1859 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 858 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3211500 FormulaSimplificationTreeSizeReduction, 2025.18ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 1175651 FormulaSimplificationTreeSizeReductionInter, 4309.42ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 83.35ms SsaConstructionTime, 437.73ms SatisfiabilityAnalysisTime, 1147.03ms InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 520 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 250/289 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: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: 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: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((((((\result == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) || (((((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 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: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 88]: 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: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: 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: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: 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: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: 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: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:15:29,901 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...