./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product48.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 c21e70d9ea27340857124f83eb5ec77ba8828195 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:42:56,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:42:56,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:42:56,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:42:56,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:42:56,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:42:56,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:42:56,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:42:56,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:42:56,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:42:56,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:42:56,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:42:56,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:42:56,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:42:56,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:42:56,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:42:56,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:42:56,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:42:56,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:42:56,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:42:56,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:42:56,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:42:56,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:42:56,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:42:56,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:42:56,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:42:56,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:42:56,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:42:56,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:42:56,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:42:56,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:42:56,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:42:56,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:42:56,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:42:56,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:42:56,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:42:56,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:42:56,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:42:56,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:42:56,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:42:56,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:42:56,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:42:56,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:42:56,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:42:56,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:42:56,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:42:56,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:42:56,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:42:56,665 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:42:56,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:42:56,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:42:56,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:42:56,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:42:56,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:42:56,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:42:56,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:42:56,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:42:56,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:42:56,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:42:56,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:56,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:42:56,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:42:56,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:42:56,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:42:56,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:42:56,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:42:56,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:42:56,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c21e70d9ea27340857124f83eb5ec77ba8828195 [2021-08-26 08:42:56,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:42:56,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:42:56,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:42:56,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:42:56,996 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:42:56,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-08-26 08:42:57,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d4aaf96/5227d3b75b3840fca75a0c5980aa4949/FLAG024a939fd [2021-08-26 08:42:57,585 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:42:57,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-08-26 08:42:57,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d4aaf96/5227d3b75b3840fca75a0c5980aa4949/FLAG024a939fd [2021-08-26 08:42:57,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d4aaf96/5227d3b75b3840fca75a0c5980aa4949 [2021-08-26 08:42:57,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:42:57,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:42:57,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:57,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:42:57,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:42:57,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:57" (1/1) ... [2021-08-26 08:42:57,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f78517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:57, skipping insertion in model container [2021-08-26 08:42:57,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:57" (1/1) ... [2021-08-26 08:42:57,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:42:57,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:42:58,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[16799,16812] [2021-08-26 08:42:58,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:58,214 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:42:58,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[16799,16812] [2021-08-26 08:42:58,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:58,291 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:42:58,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58 WrapperNode [2021-08-26 08:42:58,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:58,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:58,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:42:58,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:42:58,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:58,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:42:58,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:42:58,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:42:58,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:42:58,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:42:58,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:42:58,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:42:58,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:58,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:42:58,446 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 08:42:58,448 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 08:42:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:42:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:42:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:42:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:42:59,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:42:59,299 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-08-26 08:42:59,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59 BoogieIcfgContainer [2021-08-26 08:42:59,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:42:59,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:42:59,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:42:59,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:42:59,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:42:57" (1/3) ... [2021-08-26 08:42:59,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c4be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:59, skipping insertion in model container [2021-08-26 08:42:59,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (2/3) ... [2021-08-26 08:42:59,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c4be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:59, skipping insertion in model container [2021-08-26 08:42:59,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59" (3/3) ... [2021-08-26 08:42:59,309 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2021-08-26 08:42:59,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:42:59,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:42:59,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:42:59,353 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 08:42:59,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:42:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 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 08:42:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:42:59,372 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,373 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:59,373 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 08:42:59,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,378 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2021-08-26 08:42:59,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282496326] [2021-08-26 08:42:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:59,625 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 08:42:59,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:59,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282496326] [2021-08-26 08:42:59,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282496326] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:59,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:59,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:42:59,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755410565] [2021-08-26 08:42:59,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:42:59,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:42:59,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:42:59,651 INFO L87 Difference]: Start difference. First operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:59,702 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2021-08-26 08:42:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:42:59,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-26 08:42:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:59,715 INFO L225 Difference]: With dead ends: 256 [2021-08-26 08:42:59,715 INFO L226 Difference]: Without dead ends: 127 [2021-08-26 08:42:59,718 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 08:42:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-08-26 08:42:59,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2021-08-26 08:42:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.4758064516129032) internal successors, (183), 126 states have internal predecessors, (183), 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 08:42:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2021-08-26 08:42:59,757 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2021-08-26 08:42:59,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:59,759 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2021-08-26 08:42:59,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2021-08-26 08:42:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:42:59,762 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:59,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:42:59,763 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 08:42:59,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2021-08-26 08:42:59,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051520209] [2021-08-26 08:42:59,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:59,846 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 08:42:59,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:59,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051520209] [2021-08-26 08:42:59,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051520209] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:59,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:59,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:42:59,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511831780] [2021-08-26 08:42:59,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:42:59,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:59,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:42:59,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:59,849 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:59,857 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-08-26 08:42:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:42:59,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-26 08:42:59,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:59,858 INFO L225 Difference]: With dead ends: 127 [2021-08-26 08:42:59,858 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:42:59,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:42:59,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:42:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:42:59,863 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-08-26 08:42:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:59,863 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:42:59,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:42:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:42:59,864 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,864 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:59,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:42:59,865 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 08:42:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2021-08-26 08:42:59,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114638159] [2021-08-26 08:42:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:59,936 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 08:42:59,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:59,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114638159] [2021-08-26 08:42:59,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114638159] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:59,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:59,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:42:59,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003567062] [2021-08-26 08:42:59,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:42:59,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:59,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:42:59,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:59,939 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:59,969 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2021-08-26 08:42:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:42:59,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 08:42:59,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:59,973 INFO L225 Difference]: With dead ends: 147 [2021-08-26 08:42:59,973 INFO L226 Difference]: Without dead ends: 100 [2021-08-26 08:42:59,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-08-26 08:42:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2021-08-26 08:42:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4842105263157894) internal successors, (141), 95 states have internal predecessors, (141), 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 08:42:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2021-08-26 08:42:59,983 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2021-08-26 08:42:59,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:59,984 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2021-08-26 08:42:59,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2021-08-26 08:42:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:42:59,986 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,988 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 08:42:59,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:42:59,988 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 08:42:59,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,989 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2021-08-26 08:42:59,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321694469] [2021-08-26 08:42:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,084 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 08:43:00,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321694469] [2021-08-26 08:43:00,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321694469] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:00,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022443609] [2021-08-26 08:43:00,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:00,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:00,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,087 INFO L87 Difference]: Start difference. First operand 96 states and 141 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 08:43:00,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,136 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2021-08-26 08:43:00,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:00,137 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 08:43:00,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,138 INFO L225 Difference]: With dead ends: 227 [2021-08-26 08:43:00,138 INFO L226 Difference]: Without dead ends: 137 [2021-08-26 08:43:00,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-26 08:43:00,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-08-26 08:43:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.455223880597015) internal successors, (195), 134 states have internal predecessors, (195), 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 08:43:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2021-08-26 08:43:00,153 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2021-08-26 08:43:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,154 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2021-08-26 08:43:00,154 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 08:43:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2021-08-26 08:43:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 08:43:00,158 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,158 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] [2021-08-26 08:43:00,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:00,159 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 08:43:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2021-08-26 08:43:00,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36366720] [2021-08-26 08:43:00,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,235 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 08:43:00,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36366720] [2021-08-26 08:43:00,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36366720] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:00,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383929596] [2021-08-26 08:43:00,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,238 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 08:43:00,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,334 INFO L93 Difference]: Finished difference Result 676 states and 993 transitions. [2021-08-26 08:43:00,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:00,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-08-26 08:43:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,337 INFO L225 Difference]: With dead ends: 676 [2021-08-26 08:43:00,338 INFO L226 Difference]: Without dead ends: 547 [2021-08-26 08:43:00,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-08-26 08:43:00,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 254. [2021-08-26 08:43:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.434782608695652) internal successors, (363), 253 states have internal predecessors, (363), 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 08:43:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2021-08-26 08:43:00,372 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 25 [2021-08-26 08:43:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,373 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2021-08-26 08:43:00,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 08:43:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2021-08-26 08:43:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:00,374 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,374 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:00,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:00,374 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 08:43:00,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2021-08-26 08:43:00,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827907782] [2021-08-26 08:43:00,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,422 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 08:43:00,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827907782] [2021-08-26 08:43:00,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827907782] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:00,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402463122] [2021-08-26 08:43:00,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,425 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,545 INFO L93 Difference]: Finished difference Result 744 states and 1066 transitions. [2021-08-26 08:43:00,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:00,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:43:00,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,549 INFO L225 Difference]: With dead ends: 744 [2021-08-26 08:43:00,549 INFO L226 Difference]: Without dead ends: 742 [2021-08-26 08:43:00,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:00,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-08-26 08:43:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 254. [2021-08-26 08:43:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.4268774703557312) internal successors, (361), 253 states have internal predecessors, (361), 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 08:43:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 361 transitions. [2021-08-26 08:43:00,587 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 361 transitions. Word has length 26 [2021-08-26 08:43:00,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,587 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 361 transitions. [2021-08-26 08:43:00,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 361 transitions. [2021-08-26 08:43:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:00,590 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,590 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 08:43:00,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:00,591 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 08:43:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2021-08-26 08:43:00,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928457352] [2021-08-26 08:43:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,654 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 08:43:00,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928457352] [2021-08-26 08:43:00,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928457352] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:00,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879764044] [2021-08-26 08:43:00,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:00,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:00,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,659 INFO L87 Difference]: Start difference. First operand 254 states and 361 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 08:43:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,694 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2021-08-26 08:43:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:00,695 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 08:43:00,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,697 INFO L225 Difference]: With dead ends: 690 [2021-08-26 08:43:00,697 INFO L226 Difference]: Without dead ends: 442 [2021-08-26 08:43:00,699 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-08-26 08:43:00,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 440. [2021-08-26 08:43:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 439 states have (on average 1.387243735763098) internal successors, (609), 439 states have internal predecessors, (609), 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 08:43:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 609 transitions. [2021-08-26 08:43:00,726 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 609 transitions. Word has length 34 [2021-08-26 08:43:00,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,728 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 609 transitions. [2021-08-26 08:43:00,728 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 08:43:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 609 transitions. [2021-08-26 08:43:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:00,730 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,730 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 08:43:00,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:00,731 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 08:43:00,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,732 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2021-08-26 08:43:00,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072371846] [2021-08-26 08:43:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,799 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 08:43:00,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072371846] [2021-08-26 08:43:00,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072371846] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:00,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387437500] [2021-08-26 08:43:00,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,802 INFO L87 Difference]: Start difference. First operand 440 states and 609 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,884 INFO L93 Difference]: Finished difference Result 1222 states and 1668 transitions. [2021-08-26 08:43:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:00,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,888 INFO L225 Difference]: With dead ends: 1222 [2021-08-26 08:43:00,888 INFO L226 Difference]: Without dead ends: 788 [2021-08-26 08:43:00,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2021-08-26 08:43:00,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 476. [2021-08-26 08:43:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 475 states have (on average 1.3578947368421053) internal successors, (645), 475 states have internal predecessors, (645), 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 08:43:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2021-08-26 08:43:00,928 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 34 [2021-08-26 08:43:00,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,928 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2021-08-26 08:43:00,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2021-08-26 08:43:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:00,929 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,929 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 08:43:00,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:00,930 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 08:43:00,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,930 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2021-08-26 08:43:00,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93013355] [2021-08-26 08:43:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,974 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 08:43:00,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93013355] [2021-08-26 08:43:00,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93013355] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:00,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318739033] [2021-08-26 08:43:00,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,976 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,086 INFO L93 Difference]: Finished difference Result 1140 states and 1521 transitions. [2021-08-26 08:43:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,089 INFO L225 Difference]: With dead ends: 1140 [2021-08-26 08:43:01,089 INFO L226 Difference]: Without dead ends: 670 [2021-08-26 08:43:01,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-08-26 08:43:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 398. [2021-08-26 08:43:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.327455919395466) internal successors, (527), 397 states have internal predecessors, (527), 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 08:43:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2021-08-26 08:43:01,114 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2021-08-26 08:43:01,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,114 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2021-08-26 08:43:01,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2021-08-26 08:43:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:01,115 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,115 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 08:43:01,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:01,115 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 08:43:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,116 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2021-08-26 08:43:01,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770688418] [2021-08-26 08:43:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,180 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 08:43:01,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770688418] [2021-08-26 08:43:01,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770688418] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:43:01,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843300143] [2021-08-26 08:43:01,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:43:01,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:43:01,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:01,182 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,805 INFO L93 Difference]: Finished difference Result 1933 states and 2554 transitions. [2021-08-26 08:43:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-26 08:43:01,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:43:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,812 INFO L225 Difference]: With dead ends: 1933 [2021-08-26 08:43:01,812 INFO L226 Difference]: Without dead ends: 1541 [2021-08-26 08:43:01,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 190.8ms TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2021-08-26 08:43:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2021-08-26 08:43:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 398. [2021-08-26 08:43:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.3022670025188916) internal successors, (517), 397 states have internal predecessors, (517), 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 08:43:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2021-08-26 08:43:01,849 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2021-08-26 08:43:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,849 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2021-08-26 08:43:01,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2021-08-26 08:43:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:43:01,851 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,851 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 08:43:01,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:01,852 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 08:43:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,852 INFO L82 PathProgramCache]: Analyzing trace with hash -304303788, now seen corresponding path program 1 times [2021-08-26 08:43:01,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584567532] [2021-08-26 08:43:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:43:01,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584567532] [2021-08-26 08:43:01,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584567532] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:01,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606362415] [2021-08-26 08:43:01,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:01,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:01,898 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,996 INFO L93 Difference]: Finished difference Result 676 states and 876 transitions. [2021-08-26 08:43:01,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:01,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-26 08:43:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,998 INFO L225 Difference]: With dead ends: 676 [2021-08-26 08:43:01,998 INFO L226 Difference]: Without dead ends: 284 [2021-08-26 08:43:01,999 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:01,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-08-26 08:43:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2021-08-26 08:43:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.2836363636363637) internal successors, (353), 275 states have internal predecessors, (353), 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 08:43:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions. [2021-08-26 08:43:02,020 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 353 transitions. Word has length 53 [2021-08-26 08:43:02,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:02,020 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 353 transitions. [2021-08-26 08:43:02,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2021-08-26 08:43:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:43:02,021 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:02,022 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:02,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:02,022 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 08:43:02,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:02,022 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2021-08-26 08:43:02,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:02,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849579604] [2021-08-26 08:43:02,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:02,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:43:02,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:02,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849579604] [2021-08-26 08:43:02,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849579604] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:02,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:02,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:02,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357254389] [2021-08-26 08:43:02,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:02,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:02,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:02,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:02,103 INFO L87 Difference]: Start difference. First operand 276 states and 353 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 08:43:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:02,350 INFO L93 Difference]: Finished difference Result 759 states and 974 transitions. [2021-08-26 08:43:02,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:43:02,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 54 [2021-08-26 08:43:02,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:02,352 INFO L225 Difference]: With dead ends: 759 [2021-08-26 08:43:02,352 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:02,353 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 66.0ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:43:02,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:02,354 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 08:43:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:02,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-08-26 08:43:02,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:02,354 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:02,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 08:43:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:02,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:02,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:02,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:02,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,263 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L961(lines 1 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L930(lines 879 931) the Hoare annotation is: false [2021-08-26 08:43:10,264 INFO L853 garLoopResultBuilder]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,265 INFO L857 garLoopResultBuilder]: For program point L865(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,265 INFO L857 garLoopResultBuilder]: For program point L865-1(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,265 INFO L857 garLoopResultBuilder]: For program point L865-2(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833(lines 818 836) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 818 836) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 818 836) the Hoare annotation is: false [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833-3(lines 818 836) the Hoare annotation is: false [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833-4(lines 818 836) the Hoare annotation is: false [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L833-5(lines 818 836) the Hoare annotation is: false [2021-08-26 08:43:10,265 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 906) no Hoare annotation was computed. [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L900-1(lines 900 906) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:10,265 INFO L860 garLoopResultBuilder]: At program point L240(lines 221 243) the Hoare annotation is: true [2021-08-26 08:43:10,265 INFO L853 garLoopResultBuilder]: At program point L769(lines 762 772) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-1(lines 762 772) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-2(lines 762 772) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-3(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-4(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-5(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-6(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-7(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L769-8(lines 762 772) the Hoare annotation is: false [2021-08-26 08:43:10,266 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,266 INFO L853 garLoopResultBuilder]: At program point L969(lines 964 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,266 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 725) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L708-1(lines 708 725) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L708-2(lines 708 725) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 847) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 841 847) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L744-2(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L744-4(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,267 INFO L857 garLoopResultBuilder]: For program point L744-6(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L744-8(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L744-10(lines 744 750) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 925) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L853 garLoopResultBuilder]: At program point L778(lines 773 781) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0) .cse4))) [2021-08-26 08:43:10,268 INFO L853 garLoopResultBuilder]: At program point L778-1(lines 773 781) the Hoare annotation is: false [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L712(lines 712 720) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 773 781) the Hoare annotation is: false [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L712-1(lines 712 720) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L712-2(lines 712 720) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L682(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L682-1(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L682-2(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,268 INFO L857 garLoopResultBuilder]: For program point L682-3(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L682-4(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L682-5(lines 682 699) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L881(lines 880 929) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L853 garLoopResultBuilder]: At program point L650(lines 649 668) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L853 garLoopResultBuilder]: At program point L650-2(lines 649 668) the Hoare annotation is: false [2021-08-26 08:43:10,269 INFO L853 garLoopResultBuilder]: At program point L650-3(lines 649 668) the Hoare annotation is: false [2021-08-26 08:43:10,269 INFO L853 garLoopResultBuilder]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,269 INFO L857 garLoopResultBuilder]: For program point L686(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L686-1(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L686-3(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L686-4(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L686-5(lines 686 694) no Hoare annotation was computed. [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse4 .cse3 .cse5 .cse7) (and .cse0 .cse4 .cse1 .cse2 .cse6))) [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,270 INFO L853 garLoopResultBuilder]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,270 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 924) no Hoare annotation was computed. [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L918-1(lines 650 656) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L857 garLoopResultBuilder]: For program point L621(lines 621 634) no Hoare annotation was computed. [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L621-1(lines 1 972) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse5 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse5 .cse3 .cse6 .cse8))) [2021-08-26 08:43:10,271 INFO L857 garLoopResultBuilder]: For program point L621-2(lines 621 634) no Hoare annotation was computed. [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L621-3(lines 1 972) the Hoare annotation is: false [2021-08-26 08:43:10,271 INFO L857 garLoopResultBuilder]: For program point L621-4(lines 621 634) no Hoare annotation was computed. [2021-08-26 08:43:10,271 INFO L853 garLoopResultBuilder]: At program point L621-5(lines 1 972) the Hoare annotation is: false [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 650 656) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L853 garLoopResultBuilder]: At program point L657(lines 657 663) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse2))) [2021-08-26 08:43:10,272 INFO L853 garLoopResultBuilder]: At program point L657-1(lines 657 663) the Hoare annotation is: false [2021-08-26 08:43:10,272 INFO L853 garLoopResultBuilder]: At program point L657-2(lines 657 663) the Hoare annotation is: false [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 631) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L625-2(lines 625 631) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L625-4(lines 625 631) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2021-08-26 08:43:10,272 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 890 896) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse5 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse5 .cse3 .cse6 .cse8))) [2021-08-26 08:43:10,272 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L860 garLoopResultBuilder]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L827-3(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,273 INFO L857 garLoopResultBuilder]: For program point L827-5(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-6(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-8(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-9(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-11(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-12(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-14(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-15(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,274 INFO L857 garLoopResultBuilder]: For program point L827-17(lines 827 831) no Hoare annotation was computed. [2021-08-26 08:43:10,278 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:10,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:10 BoogieIcfgContainer [2021-08-26 08:43:10,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:10,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:10,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:10,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:10,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59" (3/4) ... [2021-08-26 08:43:10,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:10,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:10,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:10,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:10,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:10,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:10,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:10,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:10,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:10,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:10,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:10,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-26 08:43:10,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:10,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:10,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-08-26 08:43:10,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:10,352 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) [2021-08-26 08:43:10,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:10,353 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) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:10,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:10,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:10,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:10,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:10,394 INFO L168 Benchmark]: Toolchain (without parser) took 12477.50 ms. Allocated memory was 50.3 MB in the beginning and 234.9 MB in the end (delta: 184.5 MB). Free memory was 26.4 MB in the beginning and 109.8 MB in the end (delta: -83.4 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,394 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:10,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.48 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 37.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.09 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 33.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,395 INFO L168 Benchmark]: Boogie Preprocessor took 36.27 ms. Allocated memory is still 60.8 MB. Free memory was 32.8 MB in the beginning and 30.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,396 INFO L168 Benchmark]: RCFGBuilder took 915.84 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 39.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,396 INFO L168 Benchmark]: TraceAbstraction took 10999.57 ms. Allocated memory was 73.4 MB in the beginning and 234.9 MB in the end (delta: 161.5 MB). Free memory was 38.9 MB in the beginning and 121.3 MB in the end (delta: -82.4 MB). Peak memory consumption was 128.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,396 INFO L168 Benchmark]: Witness Printer took 89.92 ms. Allocated memory is still 234.9 MB. Free memory was 121.3 MB in the beginning and 109.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.48 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 37.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.09 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 33.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.27 ms. Allocated memory is still 60.8 MB. Free memory was 32.8 MB in the beginning and 30.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 915.84 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 39.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10999.57 ms. Allocated memory was 73.4 MB in the beginning and 234.9 MB in the end (delta: 161.5 MB). Free memory was 38.9 MB in the beginning and 121.3 MB in the end (delta: -82.4 MB). Peak memory consumption was 128.1 MB. Max. memory is 16.1 GB. * Witness Printer took 89.92 ms. Allocated memory is still 234.9 MB. Free memory was 121.3 MB in the beginning and 109.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 865]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 865]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 865]: 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, 131 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10931.5ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 26.2ms, AutomataDifference: 1650.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7904.9ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1467 SDtfs, 2198 SDslu, 2986 SDs, 0 SdLazy, 473 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 580.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 378.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=8, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 260.6ms AutomataMinimizationTime, 12 MinimizatonAttempts, 2524 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 314 NumberOfFragments, 808 HoareAnnotationTreeSize, 56 FomulaSimplifications, 2490460 FormulaSimplificationTreeSizeReduction, 2274.9ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 507060 FormulaSimplificationTreeSizeReductionInter, 5609.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 59.3ms SsaConstructionTime, 292.2ms SatisfiabilityAnalysisTime, 511.4ms InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 87]: 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) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:10,455 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...