./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product45.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 c46fa29909af104dc6d1a777f6e396bc5549f246 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:43:31,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:31,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:31,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:31,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:31,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:31,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:31,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:31,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:31,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:31,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:31,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:31,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:31,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:31,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:31,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:31,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:31,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:31,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:31,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:31,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:31,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:31,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:31,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:31,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:31,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:31,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:31,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:31,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:31,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:31,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:31,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:31,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:31,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:31,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:31,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:31,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:31,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:31,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:31,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:31,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:31,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:31,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:31,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:31,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:31,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:31,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:31,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:31,279 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:31,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:31,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:31,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:31,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:31,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:31,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:31,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:31,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:31,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:31,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:31,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:31,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:31,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:31,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:31,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:31,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:31,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:31,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:31,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46fa29909af104dc6d1a777f6e396bc5549f246 [2021-08-26 08:43:31,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:31,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:31,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:31,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:31,553 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:31,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-08-26 08:43:31,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd81220c/403c25245be4427a9001f5f58d860915/FLAGc599a0a53 [2021-08-26 08:43:31,965 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:31,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-08-26 08:43:31,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd81220c/403c25245be4427a9001f5f58d860915/FLAGc599a0a53 [2021-08-26 08:43:32,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd81220c/403c25245be4427a9001f5f58d860915 [2021-08-26 08:43:32,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:32,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:32,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:32,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:32,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:32,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c539c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32, skipping insertion in model container [2021-08-26 08:43:32,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:32,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:32,622 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_product45.cil.c[10968,10981] [2021-08-26 08:43:32,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:32,691 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:32,728 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_product45.cil.c[10968,10981] [2021-08-26 08:43:32,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:32,776 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:32,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32 WrapperNode [2021-08-26 08:43:32,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:32,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:32,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:32,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:32,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:32,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:32,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:32,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:32,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:32,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:32,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:32,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:32,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (1/1) ... [2021-08-26 08:43:32,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:32,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:32,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:43:32,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:43:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:33,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:33,736 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-08-26 08:43:33,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33 BoogieIcfgContainer [2021-08-26 08:43:33,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:33,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:33,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:33,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:33,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:32" (1/3) ... [2021-08-26 08:43:33,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78968a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:33, skipping insertion in model container [2021-08-26 08:43:33,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:32" (2/3) ... [2021-08-26 08:43:33,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78968a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:33, skipping insertion in model container [2021-08-26 08:43:33,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33" (3/3) ... [2021-08-26 08:43:33,743 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2021-08-26 08:43:33,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:33,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:33,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:33,781 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:43:33,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:33,796 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,797 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:33,797 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2021-08-26 08:43:33,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174231238] [2021-08-26 08:43:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:33,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174231238] [2021-08-26 08:43:33,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174231238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:33,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165383806] [2021-08-26 08:43:33,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:33,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:34,010 INFO L87 Difference]: Start difference. First operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 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) [2021-08-26 08:43:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,029 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2021-08-26 08:43:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:34,030 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 [2021-08-26 08:43:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,036 INFO L225 Difference]: With dead ends: 259 [2021-08-26 08:43:34,037 INFO L226 Difference]: Without dead ends: 129 [2021-08-26 08:43:34,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:34,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-08-26 08:43:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-08-26 08:43:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.4841269841269842) internal successors, (187), 128 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2021-08-26 08:43:34,065 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2021-08-26 08:43:34,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,065 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2021-08-26 08:43:34,065 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) [2021-08-26 08:43:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-08-26 08:43:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:34,066 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,066 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:34,067 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2021-08-26 08:43:34,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828357527] [2021-08-26 08:43:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:34,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828357527] [2021-08-26 08:43:34,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828357527] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:34,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588561771] [2021-08-26 08:43:34,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:34,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:34,131 INFO L87 Difference]: Start difference. First operand 129 states and 187 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) [2021-08-26 08:43:34,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,168 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2021-08-26 08:43:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:34,169 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 [2021-08-26 08:43:34,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,170 INFO L225 Difference]: With dead ends: 129 [2021-08-26 08:43:34,171 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:34,171 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:34,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:43:34,175 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-08-26 08:43:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,175 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:43:34,175 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) [2021-08-26 08:43:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:43:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:34,177 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,177 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:34,178 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2021-08-26 08:43:34,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224660466] [2021-08-26 08:43:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:34,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224660466] [2021-08-26 08:43:34,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224660466] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:34,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756524406] [2021-08-26 08:43:34,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:34,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:34,309 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,429 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2021-08-26 08:43:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:34,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:43:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,431 INFO L225 Difference]: With dead ends: 99 [2021-08-26 08:43:34,431 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:34,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:34,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:34,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-26 08:43:34,435 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-08-26 08:43:34,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,436 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-26 08:43:34,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-26 08:43:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:34,437 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,437 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:34,437 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2021-08-26 08:43:34,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849519815] [2021-08-26 08:43:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:34,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849519815] [2021-08-26 08:43:34,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849519815] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:34,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963815328] [2021-08-26 08:43:34,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:34,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:34,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:34,490 INFO L87 Difference]: Start difference. First operand 53 states and 75 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) [2021-08-26 08:43:34,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,553 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2021-08-26 08:43:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:34,554 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 [2021-08-26 08:43:34,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,555 INFO L225 Difference]: With dead ends: 121 [2021-08-26 08:43:34,555 INFO L226 Difference]: Without dead ends: 75 [2021-08-26 08:43:34,555 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-08-26 08:43:34,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-08-26 08:43:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 72 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2021-08-26 08:43:34,562 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2021-08-26 08:43:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,562 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2021-08-26 08:43:34,562 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) [2021-08-26 08:43:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-08-26 08:43:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:43:34,563 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,563 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:34,563 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,564 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2021-08-26 08:43:34,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017847596] [2021-08-26 08:43:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:34,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017847596] [2021-08-26 08:43:34,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017847596] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:34,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068433455] [2021-08-26 08:43:34,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:34,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:34,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:34,642 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 4 states, 4 states have (on average 8.0) 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) [2021-08-26 08:43:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,707 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2021-08-26 08:43:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) 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 [2021-08-26 08:43:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,716 INFO L225 Difference]: With dead ends: 203 [2021-08-26 08:43:34,716 INFO L226 Difference]: Without dead ends: 137 [2021-08-26 08:43:34,718 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:34,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-26 08:43:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-08-26 08:43:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2021-08-26 08:43:34,732 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2021-08-26 08:43:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,732 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2021-08-26 08:43:34,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) 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) [2021-08-26 08:43:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-08-26 08:43:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:43:34,735 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,735 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:34,736 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2021-08-26 08:43:34,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458759561] [2021-08-26 08:43:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:34,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458759561] [2021-08-26 08:43:34,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458759561] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:34,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660338982] [2021-08-26 08:43:34,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:34,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:34,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:34,820 INFO L87 Difference]: Start difference. First operand 77 states and 107 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) [2021-08-26 08:43:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,961 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2021-08-26 08:43:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:34,963 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 [2021-08-26 08:43:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,965 INFO L225 Difference]: With dead ends: 364 [2021-08-26 08:43:34,965 INFO L226 Difference]: Without dead ends: 294 [2021-08-26 08:43:34,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 47.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-08-26 08:43:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2021-08-26 08:43:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.391304347826087) internal successors, (192), 138 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2021-08-26 08:43:34,992 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2021-08-26 08:43:34,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,992 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2021-08-26 08:43:34,993 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) [2021-08-26 08:43:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2021-08-26 08:43:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:34,995 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,995 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:34,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:34,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2021-08-26 08:43:34,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451048030] [2021-08-26 08:43:34,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:35,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451048030] [2021-08-26 08:43:35,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451048030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:35,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36051610] [2021-08-26 08:43:35,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:35,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,091 INFO L87 Difference]: Start difference. First operand 139 states and 192 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) [2021-08-26 08:43:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,226 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2021-08-26 08:43:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:35,227 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 [2021-08-26 08:43:35,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,230 INFO L225 Difference]: With dead ends: 526 [2021-08-26 08:43:35,230 INFO L226 Difference]: Without dead ends: 394 [2021-08-26 08:43:35,230 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-08-26 08:43:35,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2021-08-26 08:43:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3795620437956204) internal successors, (189), 137 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2021-08-26 08:43:35,239 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2021-08-26 08:43:35,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,239 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2021-08-26 08:43:35,239 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) [2021-08-26 08:43:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2021-08-26 08:43:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:35,240 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:35,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:35,241 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2021-08-26 08:43:35,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014985906] [2021-08-26 08:43:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:35,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014985906] [2021-08-26 08:43:35,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014985906] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:35,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261411554] [2021-08-26 08:43:35,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:35,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:35,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,292 INFO L87 Difference]: Start difference. First operand 138 states and 189 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) [2021-08-26 08:43:35,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,357 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2021-08-26 08:43:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:35,358 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 [2021-08-26 08:43:35,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,359 INFO L225 Difference]: With dead ends: 355 [2021-08-26 08:43:35,359 INFO L226 Difference]: Without dead ends: 224 [2021-08-26 08:43:35,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:35,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-08-26 08:43:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2021-08-26 08:43:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2021-08-26 08:43:35,368 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2021-08-26 08:43:35,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,368 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2021-08-26 08:43:35,368 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) [2021-08-26 08:43:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2021-08-26 08:43:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:35,369 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,369 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:35,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:35,369 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2021-08-26 08:43:35,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616802987] [2021-08-26 08:43:35,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:35,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616802987] [2021-08-26 08:43:35,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616802987] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:35,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008631702] [2021-08-26 08:43:35,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,415 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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) [2021-08-26 08:43:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,438 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2021-08-26 08:43:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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 [2021-08-26 08:43:35,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,440 INFO L225 Difference]: With dead ends: 343 [2021-08-26 08:43:35,440 INFO L226 Difference]: Without dead ends: 200 [2021-08-26 08:43:35,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-08-26 08:43:35,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-08-26 08:43:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.3115577889447236) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-08-26 08:43:35,450 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2021-08-26 08:43:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,450 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-08-26 08:43:35,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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) [2021-08-26 08:43:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-08-26 08:43:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-26 08:43:35,451 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,451 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:35,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:35,451 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:35,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2021-08-26 08:43:35,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964539494] [2021-08-26 08:43:35,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:35,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964539494] [2021-08-26 08:43:35,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964539494] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:43:35,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047909942] [2021-08-26 08:43:35,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:43:35,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:43:35,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:35,532 INFO L87 Difference]: Start difference. First operand 200 states and 261 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) [2021-08-26 08:43:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,977 INFO L93 Difference]: Finished difference Result 767 states and 997 transitions. [2021-08-26 08:43:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-26 08:43:35,977 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 [2021-08-26 08:43:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,979 INFO L225 Difference]: With dead ends: 767 [2021-08-26 08:43:35,979 INFO L226 Difference]: Without dead ends: 574 [2021-08-26 08:43:35,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 274.3ms TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2021-08-26 08:43:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-08-26 08:43:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 200. [2021-08-26 08:43:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.2864321608040201) internal successors, (256), 199 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2021-08-26 08:43:35,997 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2021-08-26 08:43:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,998 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2021-08-26 08:43:35,998 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) [2021-08-26 08:43:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2021-08-26 08:43:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:35,999 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,999 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:35,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:35,999 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:36,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2021-08-26 08:43:36,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220199715] [2021-08-26 08:43:36,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:43:36,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220199715] [2021-08-26 08:43:36,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220199715] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:43:36,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372237896] [2021-08-26 08:43:36,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:43:36,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:43:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:36,108 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,458 INFO L93 Difference]: Finished difference Result 520 states and 670 transitions. [2021-08-26 08:43:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-26 08:43:36,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:43:36,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,460 INFO L225 Difference]: With dead ends: 520 [2021-08-26 08:43:36,460 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:36,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 195.9ms TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-08-26 08:43:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:36,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:36,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:43:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,462 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:36,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:36,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:36,464 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,464 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,464 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:36,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:36,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:40,558 INFO L853 garLoopResultBuilder]: At program point L927(lines 922 929) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,558 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,558 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-08-26 08:43:40,558 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:43:40,558 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,558 INFO L857 garLoopResultBuilder]: For program point L632-2(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L632-4(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L632-6(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L632-8(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L632-10(lines 632 638) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-08-26 08:43:40,559 INFO L853 garLoopResultBuilder]: At program point L666(lines 661 669) 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) (not (= ~methaneLevelCritical~0 0)) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-26 08:43:40,559 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 661 669) the Hoare annotation is: false [2021-08-26 08:43:40,559 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 608) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 661 669) the Hoare annotation is: false [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L600-1(lines 600 608) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L600-2(lines 600 608) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L766(lines 766 777) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L570-1(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,560 INFO L857 garLoopResultBuilder]: For program point L570-3(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,561 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,561 INFO L857 garLoopResultBuilder]: For program point L570-5(lines 570 587) no Hoare annotation was computed. [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~3 1) (not .cse1) (not .cse2) .cse3 .cse4))) [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835-1(lines 830 838) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835-2(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~systemActive~0) .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 1) (not .cse2) (not .cse3) .cse4 .cse5))) [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835-3(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start_main_~tmp~3 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) (not .cse1) (= 1 ~systemActive~0) (not .cse2) .cse3 .cse4))) [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835-4(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,561 INFO L853 garLoopResultBuilder]: At program point L835-5(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L835-6(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L835-7(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L835-8(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L538(lines 537 556) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L835-9(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L835-10(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,562 INFO L853 garLoopResultBuilder]: At program point L538-2(lines 537 556) the Hoare annotation is: false [2021-08-26 08:43:40,563 INFO L853 garLoopResultBuilder]: At program point L835-11(lines 830 838) the Hoare annotation is: false [2021-08-26 08:43:40,563 INFO L853 garLoopResultBuilder]: At program point L538-3(lines 537 556) the Hoare annotation is: false [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L737(lines 736 781) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L772-2(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,563 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L574-2(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L574-3(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L574-4(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L574-5(lines 574 582) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L853 garLoopResultBuilder]: At program point L938-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse6) .cse3 .cse4))) [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L938-2(lines 938 955) no Hoare annotation was computed. [2021-08-26 08:43:40,564 INFO L853 garLoopResultBuilder]: At program point L938-3(lines 1 958) the Hoare annotation is: false [2021-08-26 08:43:40,564 INFO L857 garLoopResultBuilder]: For program point L938-4(lines 938 955) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L853 garLoopResultBuilder]: At program point L938-5(lines 1 958) the Hoare annotation is: false [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L860 garLoopResultBuilder]: At program point L509-1(lines 509 516) the Hoare annotation is: true [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L412(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L412-1(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L412-2(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L853 garLoopResultBuilder]: At program point L908(lines 1 958) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,565 INFO L857 garLoopResultBuilder]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,566 INFO L857 garLoopResultBuilder]: For program point L875-2(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,566 INFO L857 garLoopResultBuilder]: For program point L875-3(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,566 INFO L857 garLoopResultBuilder]: For program point L875-4(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,566 INFO L857 garLoopResultBuilder]: For program point L875-5(lines 875 881) no Hoare annotation was computed. [2021-08-26 08:43:40,566 INFO L853 garLoopResultBuilder]: At program point L545(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-08-26 08:43:40,566 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 545 551) the Hoare annotation is: false [2021-08-26 08:43:40,566 INFO L853 garLoopResultBuilder]: At program point L545-2(lines 545 551) the Hoare annotation is: false [2021-08-26 08:43:40,566 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L942-2(lines 942 952) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L942-4(lines 942 952) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L853 garLoopResultBuilder]: At program point L480(lines 476 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L943-2(lines 943 949) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L943-4(lines 943 949) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-08-26 08:43:40,567 INFO L853 garLoopResultBuilder]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse6) .cse3 .cse4))) [2021-08-26 08:43:40,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880(lines 871 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880-1(lines 871 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880-2(lines 871 884) the Hoare annotation is: false [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880-3(lines 871 884) the Hoare annotation is: false [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880-4(lines 871 884) the Hoare annotation is: false [2021-08-26 08:43:40,568 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,568 INFO L853 garLoopResultBuilder]: At program point L880-5(lines 871 884) the Hoare annotation is: false [2021-08-26 08:43:40,568 INFO L857 garLoopResultBuilder]: For program point L715-2(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-3(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-5(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-6(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-8(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-9(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-11(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-12(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-14(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,569 INFO L857 garLoopResultBuilder]: For program point L715-15(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,570 INFO L857 garLoopResultBuilder]: For program point L715-17(lines 715 719) no Hoare annotation was computed. [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L782(lines 735 783) the Hoare annotation is: false [2021-08-26 08:43:40,570 INFO L860 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L916(lines 911 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,570 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L721(lines 706 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 706 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L721-2(lines 706 724) the Hoare annotation is: false [2021-08-26 08:43:40,570 INFO L853 garLoopResultBuilder]: At program point L721-3(lines 706 724) the Hoare annotation is: false [2021-08-26 08:43:40,571 INFO L853 garLoopResultBuilder]: At program point L721-4(lines 706 724) the Hoare annotation is: false [2021-08-26 08:43:40,571 INFO L853 garLoopResultBuilder]: At program point L721-5(lines 706 724) the Hoare annotation is: false [2021-08-26 08:43:40,571 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,571 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-08-26 08:43:40,571 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 762) no Hoare annotation was computed. [2021-08-26 08:43:40,571 INFO L853 garLoopResultBuilder]: At program point L756-1(lines 756 762) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,571 INFO L853 garLoopResultBuilder]: At program point L657(lines 650 660) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~3 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (not .cse1) (not .cse2) .cse3 .cse4))) [2021-08-26 08:43:40,571 INFO L853 garLoopResultBuilder]: At program point L657-1(lines 650 660) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-2(lines 650 660) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~systemActive~0) .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (not .cse2) (not .cse3) .cse4 .cse5))) [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-3(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-4(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-5(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-6(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-7(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L853 garLoopResultBuilder]: At program point L657-8(lines 650 660) the Hoare annotation is: false [2021-08-26 08:43:40,572 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,573 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-08-26 08:43:40,573 INFO L853 garLoopResultBuilder]: At program point L429-2(lines 429 443) the Hoare annotation is: false [2021-08-26 08:43:40,573 INFO L857 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-08-26 08:43:40,573 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 613) no Hoare annotation was computed. [2021-08-26 08:43:40,573 INFO L857 garLoopResultBuilder]: For program point L596-1(lines 596 613) no Hoare annotation was computed. [2021-08-26 08:43:40,573 INFO L857 garLoopResultBuilder]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2021-08-26 08:43:40,576 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:40,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:40 BoogieIcfgContainer [2021-08-26 08:43:40,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:40,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:40,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:40,593 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:40,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33" (3/4) ... [2021-08-26 08:43:40,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:40,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:40,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:40,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:40,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:40,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:40,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:40,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:40,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:40,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:40,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:40,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:43:40,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:43:40,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:43:40,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) [2021-08-26 08:43:40,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && tmp == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) [2021-08-26 08:43:40,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && tmp == 1) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) [2021-08-26 08:43:40,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1 [2021-08-26 08:43:40,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1 [2021-08-26 08:43:40,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1 [2021-08-26 08:43:40,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) [2021-08-26 08:43:40,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) [2021-08-26 08:43:40,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:40,666 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:40,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:40,667 INFO L168 Benchmark]: Toolchain (without parser) took 8321.17 ms. Allocated memory was 50.3 MB in the beginning and 213.9 MB in the end (delta: 163.6 MB). Free memory was 25.3 MB in the beginning and 125.5 MB in the end (delta: -100.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,667 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 53.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:40,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.15 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.1 MB in the beginning and 43.8 MB in the end (delta: -18.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.83 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 39.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,668 INFO L168 Benchmark]: Boogie Preprocessor took 60.07 ms. Allocated memory is still 69.2 MB. Free memory was 39.8 MB in the beginning and 37.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,668 INFO L168 Benchmark]: RCFGBuilder took 822.46 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 36.8 MB in the beginning and 46.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,669 INFO L168 Benchmark]: TraceAbstraction took 6853.86 ms. Allocated memory was 90.2 MB in the beginning and 213.9 MB in the end (delta: 123.7 MB). Free memory was 45.5 MB in the beginning and 137.0 MB in the end (delta: -91.5 MB). Peak memory consumption was 104.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,669 INFO L168 Benchmark]: Witness Printer took 73.01 ms. Allocated memory is still 213.9 MB. Free memory was 137.0 MB in the beginning and 125.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 53.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.15 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.1 MB in the beginning and 43.8 MB in the end (delta: -18.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.83 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 39.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.07 ms. Allocated memory is still 69.2 MB. Free memory was 39.8 MB in the beginning and 37.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 822.46 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 36.8 MB in the beginning and 46.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6853.86 ms. Allocated memory was 90.2 MB in the beginning and 213.9 MB in the end (delta: 123.7 MB). Free memory was 45.5 MB in the beginning and 137.0 MB in the end (delta: -91.5 MB). Peak memory consumption was 104.4 MB. Max. memory is 16.1 GB. * Witness Printer took 73.01 ms. Allocated memory is still 213.9 MB. Free memory was 137.0 MB in the beginning and 125.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: 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, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6799.6ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 15.4ms, AutomataDifference: 1538.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4092.5ms, InitialAbstractionConstructionTime: 7.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1290 SDtfs, 1977 SDslu, 2309 SDs, 0 SdLazy, 380 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 501.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 666.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=9, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 110.6ms AutomataMinimizationTime, 11 MinimizatonAttempts, 921 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 193 NumberOfFragments, 662 HoareAnnotationTreeSize, 55 FomulaSimplifications, 497481 FormulaSimplificationTreeSizeReduction, 669.7ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 170220 FormulaSimplificationTreeSizeReductionInter, 3408.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 45.4ms SsaConstructionTime, 224.5ms SatisfiabilityAnalysisTime, 600.0ms InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && tmp == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && tmp == 1) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:40,710 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...