./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product53.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_product53.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 df4aa9904b22b6376014a77f575431b8f0cedef3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:43:38,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:38,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:38,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:38,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:38,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:38,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:38,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:38,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:38,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:38,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:38,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:38,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:38,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:38,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:38,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:38,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:38,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:38,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:38,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:38,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:38,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:38,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:38,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:38,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:38,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:38,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:38,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:38,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:38,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:38,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:38,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:38,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:38,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:38,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:38,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:38,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:38,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:38,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:38,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:38,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:38,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:38,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:38,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:38,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:38,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:38,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:38,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:38,229 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:38,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:38,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:38,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:38,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:38,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:38,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:38,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:38,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:38,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:38,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:38,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:38,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:38,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:38,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4aa9904b22b6376014a77f575431b8f0cedef3 [2021-08-26 08:43:38,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:38,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:38,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:38,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:38,578 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:38,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-08-26 08:43:38,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f551502/67b927d02e234be48354c7e33cfa5193/FLAG19c03e4e9 [2021-08-26 08:43:39,203 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:39,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-08-26 08:43:39,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f551502/67b927d02e234be48354c7e33cfa5193/FLAG19c03e4e9 [2021-08-26 08:43:39,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f551502/67b927d02e234be48354c7e33cfa5193 [2021-08-26 08:43:39,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:39,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:39,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:39,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:39,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:39,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:39,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28adb1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39, skipping insertion in model container [2021-08-26 08:43:39,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:39,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:39,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:39,759 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_product53.cil.c[1281,1294] [2021-08-26 08:43:39,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:39,894 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:39,906 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_product53.cil.c[1281,1294] [2021-08-26 08:43:39,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:39,987 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:39,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39 WrapperNode [2021-08-26 08:43:39,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:39,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:39,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:39,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:39,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:40,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:40,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:40,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:40,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:40,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:40,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:40,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:40,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (1/1) ... [2021-08-26 08:43:40,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:40,155 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 08:43:40,181 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 08:43:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:41,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:41,273 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-08-26 08:43:41,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:41 BoogieIcfgContainer [2021-08-26 08:43:41,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:41,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:41,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:41,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:41,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:39" (1/3) ... [2021-08-26 08:43:41,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f756a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:41, skipping insertion in model container [2021-08-26 08:43:41,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:39" (2/3) ... [2021-08-26 08:43:41,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f756a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:41, skipping insertion in model container [2021-08-26 08:43:41,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:41" (3/3) ... [2021-08-26 08:43:41,286 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2021-08-26 08:43:41,290 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:41,290 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:41,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:41,332 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 08:43:41,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 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 08:43:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:41,353 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:41,353 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 08:43:41,354 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 08:43:41,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1813047236, now seen corresponding path program 1 times [2021-08-26 08:43:41,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:41,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967240949] [2021-08-26 08:43:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:41,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:41,546 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 08:43:41,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:41,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967240949] [2021-08-26 08:43:41,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967240949] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:41,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:41,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:41,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949581687] [2021-08-26 08:43:41,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:41,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:41,565 INFO L87 Difference]: Start difference. First operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 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 08:43:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:41,606 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2021-08-26 08:43:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:41,607 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 08:43:41,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:41,620 INFO L225 Difference]: With dead ends: 379 [2021-08-26 08:43:41,620 INFO L226 Difference]: Without dead ends: 189 [2021-08-26 08:43:41,624 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 08:43:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-08-26 08:43:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-08-26 08:43:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 186 states have (on average 1.521505376344086) internal successors, (283), 188 states have internal predecessors, (283), 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 08:43:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2021-08-26 08:43:41,686 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2021-08-26 08:43:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:41,686 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2021-08-26 08:43:41,687 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 08:43:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2021-08-26 08:43:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:41,688 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:41,688 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 08:43:41,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:41,689 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 08:43:41,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:41,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1594211267, now seen corresponding path program 1 times [2021-08-26 08:43:41,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:41,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497772387] [2021-08-26 08:43:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:41,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:41,782 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 08:43:41,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:41,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497772387] [2021-08-26 08:43:41,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497772387] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:41,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:41,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:41,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958985997] [2021-08-26 08:43:41,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:41,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:41,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:41,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:41,786 INFO L87 Difference]: Start difference. First operand 189 states and 283 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 08:43:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:41,796 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2021-08-26 08:43:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:41,796 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 08:43:41,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:41,797 INFO L225 Difference]: With dead ends: 189 [2021-08-26 08:43:41,797 INFO L226 Difference]: Without dead ends: 73 [2021-08-26 08:43:41,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-26 08:43:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-08-26 08:43:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 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 08:43:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-08-26 08:43:41,802 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-08-26 08:43:41,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:41,803 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-08-26 08:43:41,803 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 08:43:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-08-26 08:43:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:41,804 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:41,804 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 08:43:41,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:41,804 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 08:43:41,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:41,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2021-08-26 08:43:41,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:41,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040815411] [2021-08-26 08:43:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:41,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:41,911 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 08:43:41,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:41,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040815411] [2021-08-26 08:43:41,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040815411] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:41,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:41,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:41,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964321679] [2021-08-26 08:43:41,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:41,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:41,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:41,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:41,919 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:41,934 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2021-08-26 08:43:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:41,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:43:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:41,946 INFO L225 Difference]: With dead ends: 139 [2021-08-26 08:43:41,946 INFO L226 Difference]: Without dead ends: 73 [2021-08-26 08:43:41,946 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:41,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-26 08:43:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-08-26 08:43:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 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 08:43:41,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-08-26 08:43:41,953 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-08-26 08:43:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:41,954 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-08-26 08:43:41,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-08-26 08:43:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:43:41,957 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:41,957 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] [2021-08-26 08:43:41,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:41,958 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 08:43:41,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:41,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2021-08-26 08:43:41,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:41,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739065290] [2021-08-26 08:43:41,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:41,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:42,041 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 08:43:42,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:42,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739065290] [2021-08-26 08:43:42,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739065290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:42,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:42,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:42,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929199880] [2021-08-26 08:43:42,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:42,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:42,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:42,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:42,044 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 08:43:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:42,104 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2021-08-26 08:43:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:42,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-08-26 08:43:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:42,106 INFO L225 Difference]: With dead ends: 149 [2021-08-26 08:43:42,106 INFO L226 Difference]: Without dead ends: 83 [2021-08-26 08:43:42,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:42,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-26 08:43:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2021-08-26 08:43:42,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 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 08:43:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2021-08-26 08:43:42,111 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2021-08-26 08:43:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:42,112 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2021-08-26 08:43:42,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 08:43:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2021-08-26 08:43:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:42,113 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:42,113 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 08:43:42,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:42,113 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 08:43:42,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:42,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2021-08-26 08:43:42,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:42,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776540371] [2021-08-26 08:43:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:42,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:42,188 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 08:43:42,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:42,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776540371] [2021-08-26 08:43:42,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776540371] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:42,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:42,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:42,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069192980] [2021-08-26 08:43:42,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:42,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:42,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:42,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:42,191 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:43:42,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:42,320 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2021-08-26 08:43:42,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:42,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:43:42,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:42,322 INFO L225 Difference]: With dead ends: 211 [2021-08-26 08:43:42,322 INFO L226 Difference]: Without dead ends: 137 [2021-08-26 08:43:42,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:42,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-26 08:43:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2021-08-26 08:43:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 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 08:43:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2021-08-26 08:43:42,329 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2021-08-26 08:43:42,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:42,330 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2021-08-26 08:43:42,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:43:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2021-08-26 08:43:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:42,331 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:42,331 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 08:43:42,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:42,331 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 08:43:42,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:42,332 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2021-08-26 08:43:42,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:42,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074280045] [2021-08-26 08:43:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:42,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:42,447 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 08:43:42,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:42,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074280045] [2021-08-26 08:43:42,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074280045] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:42,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:42,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:42,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860719977] [2021-08-26 08:43:42,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:42,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:42,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:42,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:42,454 INFO L87 Difference]: Start difference. First operand 90 states and 124 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 08:43:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:42,587 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2021-08-26 08:43:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:42,588 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 08:43:42,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:42,591 INFO L225 Difference]: With dead ends: 436 [2021-08-26 08:43:42,592 INFO L226 Difference]: Without dead ends: 353 [2021-08-26 08:43:42,593 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-08-26 08:43:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2021-08-26 08:43:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 164 states have internal predecessors, (226), 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 08:43:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2021-08-26 08:43:42,619 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2021-08-26 08:43:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:42,620 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2021-08-26 08:43:42,620 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 08:43:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2021-08-26 08:43:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:42,621 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:42,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:42,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:42,621 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 08:43:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:42,622 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2021-08-26 08:43:42,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:42,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722306140] [2021-08-26 08:43:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:42,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:42,731 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 08:43:42,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:42,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722306140] [2021-08-26 08:43:42,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722306140] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:42,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:42,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:42,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972699322] [2021-08-26 08:43:42,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:42,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:42,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:42,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:42,736 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:42,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:42,922 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2021-08-26 08:43:42,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:42,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:42,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:42,925 INFO L225 Difference]: With dead ends: 628 [2021-08-26 08:43:42,925 INFO L226 Difference]: Without dead ends: 470 [2021-08-26 08:43:42,925 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-08-26 08:43:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2021-08-26 08:43:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 163 states have internal predecessors, (223), 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 08:43:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2021-08-26 08:43:42,936 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2021-08-26 08:43:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:42,936 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2021-08-26 08:43:42,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2021-08-26 08:43:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:42,937 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:42,938 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:42,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:42,938 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 08:43:42,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:42,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2021-08-26 08:43:42,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:42,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447534026] [2021-08-26 08:43:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:42,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:43,003 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 08:43:43,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:43,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447534026] [2021-08-26 08:43:43,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447534026] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:43,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:43,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:43,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386881380] [2021-08-26 08:43:43,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:43,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:43,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:43,005 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:43,075 INFO L93 Difference]: Finished difference Result 391 states and 527 transitions. [2021-08-26 08:43:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:43,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:43,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:43,077 INFO L225 Difference]: With dead ends: 391 [2021-08-26 08:43:43,077 INFO L226 Difference]: Without dead ends: 234 [2021-08-26 08:43:43,078 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-08-26 08:43:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 176. [2021-08-26 08:43:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 175 states have internal predecessors, (235), 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 08:43:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2021-08-26 08:43:43,088 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2021-08-26 08:43:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:43,088 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2021-08-26 08:43:43,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2021-08-26 08:43:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:43,089 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:43,089 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:43,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:43,090 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 08:43:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:43,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2021-08-26 08:43:43,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:43,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872946004] [2021-08-26 08:43:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:43,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:43,124 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 08:43:43,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:43,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872946004] [2021-08-26 08:43:43,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872946004] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:43,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:43,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:43,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208604640] [2021-08-26 08:43:43,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:43,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:43,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:43,127 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:43,153 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2021-08-26 08:43:43,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:43,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:43,155 INFO L225 Difference]: With dead ends: 397 [2021-08-26 08:43:43,155 INFO L226 Difference]: Without dead ends: 228 [2021-08-26 08:43:43,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-08-26 08:43:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-08-26 08:43:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3083700440528634) internal successors, (297), 227 states have internal predecessors, (297), 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 08:43:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2021-08-26 08:43:43,179 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2021-08-26 08:43:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:43,180 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2021-08-26 08:43:43,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2021-08-26 08:43:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:43,181 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:43,181 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:43,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:43,181 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 08:43:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:43,182 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2021-08-26 08:43:43,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:43,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783974175] [2021-08-26 08:43:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:43,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:43,217 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 08:43:43,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:43,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783974175] [2021-08-26 08:43:43,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783974175] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:43,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:43,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:43,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380827155] [2021-08-26 08:43:43,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:43,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:43,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:43,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:43,220 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:43,252 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2021-08-26 08:43:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:43,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:43:43,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:43,254 INFO L225 Difference]: With dead ends: 365 [2021-08-26 08:43:43,254 INFO L226 Difference]: Without dead ends: 363 [2021-08-26 08:43:43,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-08-26 08:43:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2021-08-26 08:43:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3380782918149465) internal successors, (376), 281 states have internal predecessors, (376), 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 08:43:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2021-08-26 08:43:43,272 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2021-08-26 08:43:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:43,272 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2021-08-26 08:43:43,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2021-08-26 08:43:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-26 08:43:43,274 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:43,274 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:43,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:43,274 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 08:43:43,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:43,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1372309068, now seen corresponding path program 1 times [2021-08-26 08:43:43,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:43,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826734710] [2021-08-26 08:43:43,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:43,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:43,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:43,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826734710] [2021-08-26 08:43:43,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826734710] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:43:43,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467018702] [2021-08-26 08:43:43,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:43,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:43:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:43,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:43:43,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:43:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:43,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 08:43:43,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:43:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:43,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467018702] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:43,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 08:43:43,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-26 08:43:43,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576303141] [2021-08-26 08:43:43,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:43,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:43,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:43,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:43,682 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 08:43:43,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:43,772 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2021-08-26 08:43:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:43,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-08-26 08:43:43,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:43,774 INFO L225 Difference]: With dead ends: 436 [2021-08-26 08:43:43,774 INFO L226 Difference]: Without dead ends: 213 [2021-08-26 08:43:43,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:43,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-08-26 08:43:43,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2021-08-26 08:43:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.2924528301886793) internal successors, (274), 212 states have internal predecessors, (274), 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 08:43:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2021-08-26 08:43:43,790 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2021-08-26 08:43:43,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:43,790 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2021-08-26 08:43:43,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 08:43:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2021-08-26 08:43:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-26 08:43:43,792 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:43,792 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:43,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:43:44,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-26 08:43:44,017 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:44,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:44,017 INFO L82 PathProgramCache]: Analyzing trace with hash 777418342, now seen corresponding path program 1 times [2021-08-26 08:43:44,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:44,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402902180] [2021-08-26 08:43:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:44,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-26 08:43:44,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:44,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402902180] [2021-08-26 08:43:44,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402902180] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:44,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:44,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:44,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534854499] [2021-08-26 08:43:44,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:44,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:44,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:44,080 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 08:43:44,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:44,239 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2021-08-26 08:43:44,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:43:44,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 63 [2021-08-26 08:43:44,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:44,240 INFO L225 Difference]: With dead ends: 678 [2021-08-26 08:43:44,240 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:44,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 57.0ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:44,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:44,242 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 08:43:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:44,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-08-26 08:43:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:44,242 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:44,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 08:43:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:44,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:44,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:44,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:44,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:44,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:44,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:44,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:44,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:46,424 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,424 INFO L853 garLoopResultBuilder]: At program point L631(lines 624 634) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-08-26 08:43:46,425 INFO L853 garLoopResultBuilder]: At program point L631-1(lines 624 634) the Hoare annotation is: false [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L853 garLoopResultBuilder]: At program point L631-2(lines 624 634) the Hoare annotation is: false [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565-2(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565-3(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565-4(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L565-5(lines 565 573) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L865-3(lines 865 869) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L865-6(lines 865 869) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535-2(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535-3(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535-4(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,425 INFO L857 garLoopResultBuilder]: For program point L535-5(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-6(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-7(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-8(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-9(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-10(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L535-11(lines 535 552) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L503(lines 502 521) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse1 .cse6 .cse5 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 503 509) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 502 521) the Hoare annotation is: false [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L503-3(lines 502 521) the Hoare annotation is: false [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4))) [2021-08-26 08:43:46,426 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 1 995) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4))) [2021-08-26 08:43:46,426 INFO L853 garLoopResultBuilder]: At program point L769-2(lines 769 783) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L736-3(lines 1 995) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L736-4(lines 736 753) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L736-5(lines 1 995) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 897 905) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4))) [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902-3(lines 897 905) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L770(line 770) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902-4(lines 897 905) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L853 garLoopResultBuilder]: At program point L902-5(lines 897 905) the Hoare annotation is: false [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,427 INFO L857 garLoopResultBuilder]: For program point L539-2(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-3(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-4(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-5(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-6(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-7(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-8(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-9(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-10(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L539-11(lines 539 547) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L853 garLoopResultBuilder]: At program point L111(lines 64 112) the Hoare annotation is: false [2021-08-26 08:43:46,428 INFO L853 garLoopResultBuilder]: At program point L640(lines 635 643) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3))) [2021-08-26 08:43:46,428 INFO L853 garLoopResultBuilder]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2021-08-26 08:43:46,428 INFO L853 garLoopResultBuilder]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,428 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 777) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 750) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L773-1(lines 503 509) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L740-2(lines 740 750) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L740-4(lines 740 750) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 741 747) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708-2(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708-3(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L741-4(lines 741 747) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708-5(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L853 garLoopResultBuilder]: At program point L510(lines 510 516) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse1 .cse5 .cse4 .cse2) (and .cse1 .cse5 .cse2 .cse3))) [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708-6(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L853 garLoopResultBuilder]: At program point L510-1(lines 510 516) the Hoare annotation is: false [2021-08-26 08:43:46,429 INFO L857 garLoopResultBuilder]: For program point L708-8(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,429 INFO L853 garLoopResultBuilder]: At program point L510-2(lines 510 516) the Hoare annotation is: false [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-9(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-11(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-12(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-14(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-15(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L708-17(lines 708 712) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-1(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-2(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-3(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-4(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-5(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-6(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-7(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-8(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-9(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-10(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L942-11(lines 942 948) no Hoare annotation was computed. [2021-08-26 08:43:46,430 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2021-08-26 08:43:46,431 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 851) no Hoare annotation was computed. [2021-08-26 08:43:46,431 INFO L860 garLoopResultBuilder]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2021-08-26 08:43:46,431 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse4 .cse6) (and .cse5 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse4 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse4 .cse6))) [2021-08-26 08:43:46,431 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714(lines 699 717) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714-1(lines 699 717) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714-2(lines 699 717) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714-3(lines 699 717) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714-4(lines 699 717) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L714-5(lines 699 717) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L947(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L947-2(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,431 INFO L853 garLoopResultBuilder]: At program point L947-3(lines 938 951) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3))) [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-4(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-5(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-6(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-7(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-8(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-9(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-10(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L947-11(lines 938 951) the Hoare annotation is: false [2021-08-26 08:43:46,432 INFO L853 garLoopResultBuilder]: At program point L817(lines 813 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:46,432 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:46,432 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed. [2021-08-26 08:43:46,432 INFO L857 garLoopResultBuilder]: For program point L587-1(lines 587 604) no Hoare annotation was computed. [2021-08-26 08:43:46,437 INFO L857 garLoopResultBuilder]: For program point L587-2(lines 587 604) no Hoare annotation was computed. [2021-08-26 08:43:46,437 INFO L853 garLoopResultBuilder]: At program point L984(lines 1 995) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:46,437 INFO L860 garLoopResultBuilder]: At program point L853(lines 834 856) the Hoare annotation is: true [2021-08-26 08:43:46,437 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:46,437 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,437 INFO L857 garLoopResultBuilder]: For program point L689-2(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-3(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-5(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-6(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-8(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-9(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-11(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-12(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,438 INFO L857 garLoopResultBuilder]: For program point L689-14(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-15(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-17(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 106) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-18(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-20(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-21(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-23(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,439 INFO L857 garLoopResultBuilder]: For program point L689-24(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-26(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-27(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-29(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-30(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-32(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L689-33(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 599) no Hoare annotation was computed. [2021-08-26 08:43:46,440 INFO L857 garLoopResultBuilder]: For program point L591-1(lines 591 599) no Hoare annotation was computed. [2021-08-26 08:43:46,441 INFO L857 garLoopResultBuilder]: For program point L689-35(lines 689 693) no Hoare annotation was computed. [2021-08-26 08:43:46,441 INFO L857 garLoopResultBuilder]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2021-08-26 08:43:46,441 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-08-26 08:43:46,441 INFO L853 garLoopResultBuilder]: At program point L725(lines 720 727) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:46,441 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:46,441 INFO L853 garLoopResultBuilder]: At program point L957(lines 952 960) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:46,441 INFO L853 garLoopResultBuilder]: At program point L957-1(lines 952 960) the Hoare annotation is: false [2021-08-26 08:43:46,442 INFO L853 garLoopResultBuilder]: At program point L957-2(lines 952 960) the Hoare annotation is: false [2021-08-26 08:43:46,442 INFO L853 garLoopResultBuilder]: At program point L957-3(lines 952 960) the Hoare annotation is: false [2021-08-26 08:43:46,442 INFO L853 garLoopResultBuilder]: At program point L957-4(lines 952 960) the Hoare annotation is: false [2021-08-26 08:43:46,442 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:46,442 INFO L853 garLoopResultBuilder]: At program point L957-5(lines 952 960) the Hoare annotation is: false [2021-08-26 08:43:46,442 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L561-1(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L561-2(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L561-3(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L561-4(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L561-5(lines 561 578) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 110) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:43:46,443 INFO L853 garLoopResultBuilder]: At program point L992(lines 987 995) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-1(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-2(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-3(lines 680 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3))) [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-4(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-5(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,444 INFO L853 garLoopResultBuilder]: At program point L695-6(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L853 garLoopResultBuilder]: At program point L695-7(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L853 garLoopResultBuilder]: At program point L695-8(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L853 garLoopResultBuilder]: At program point L695-9(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L853 garLoopResultBuilder]: At program point L695-10(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L853 garLoopResultBuilder]: At program point L695-11(lines 680 698) the Hoare annotation is: false [2021-08-26 08:43:46,445 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-08-26 08:43:46,445 INFO L857 garLoopResultBuilder]: For program point L101-2(lines 503 509) no Hoare annotation was computed. [2021-08-26 08:43:46,449 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:46,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:46 BoogieIcfgContainer [2021-08-26 08:43:46,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:46,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:46,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:46,494 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:46,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:41" (3/4) ... [2021-08-26 08:43:46,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:46,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:46,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:46,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:46,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:46,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:46,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:46,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:46,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) [2021-08-26 08:43:46,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) [2021-08-26 08:43:46,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:46,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:46,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-08-26 08:43:46,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-08-26 08:43:46,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-08-26 08:43:46,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:46,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:46,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:46,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:46,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:46,618 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:46,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:46,620 INFO L168 Benchmark]: Toolchain (without parser) took 6998.81 ms. Allocated memory was 69.2 MB in the beginning and 174.1 MB in the end (delta: 104.9 MB). Free memory was 48.4 MB in the beginning and 143.6 MB in the end (delta: -95.2 MB). Peak memory consumption was 104.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,620 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:46,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.35 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 44.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.74 ms. Allocated memory is still 69.2 MB. Free memory was 44.4 MB in the beginning and 39.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,621 INFO L168 Benchmark]: Boogie Preprocessor took 38.59 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 36.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,621 INFO L168 Benchmark]: RCFGBuilder took 1158.52 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 35.8 MB in the beginning and 40.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,622 INFO L168 Benchmark]: TraceAbstraction took 5216.26 ms. Allocated memory was 90.2 MB in the beginning and 174.1 MB in the end (delta: 83.9 MB). Free memory was 39.9 MB in the beginning and 60.2 MB in the end (delta: -20.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,622 INFO L168 Benchmark]: Witness Printer took 125.41 ms. Allocated memory is still 174.1 MB. Free memory was 60.2 MB in the beginning and 143.6 MB in the end (delta: -83.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:46,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.35 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 44.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.74 ms. Allocated memory is still 69.2 MB. Free memory was 44.4 MB in the beginning and 39.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.59 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 36.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1158.52 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 35.8 MB in the beginning and 40.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5216.26 ms. Allocated memory was 90.2 MB in the beginning and 174.1 MB in the end (delta: 83.9 MB). Free memory was 39.9 MB in the beginning and 60.2 MB in the end (delta: -20.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. * Witness Printer took 125.41 ms. Allocated memory is still 174.1 MB. Free memory was 60.2 MB in the beginning and 143.6 MB in the end (delta: -83.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5122.9ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 19.4ms, AutomataDifference: 1037.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2177.2ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1489 SDtfs, 1401 SDslu, 1909 SDs, 0 SdLazy, 269 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 413.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 256.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 174.7ms AutomataMinimizationTime, 12 MinimizatonAttempts, 682 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 229 NumberOfFragments, 774 HoareAnnotationTreeSize, 67 FomulaSimplifications, 90989 FormulaSimplificationTreeSizeReduction, 539.1ms HoareSimplificationTime, 67 FomulaSimplificationsInter, 16239 FormulaSimplificationTreeSizeReductionInter, 1623.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 71.2ms SsaConstructionTime, 318.5ms SatisfiabilityAnalysisTime, 807.5ms InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 461 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 58/67 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: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:46,684 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...