./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer --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 1ee24648c2b11ab591f00afa125ad014515f38d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:15:40,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:15:40,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:15:40,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:15:40,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:15:40,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:15:40,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:15:40,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:15:40,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:15:40,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:15:40,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:15:40,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:15:40,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:15:40,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:15:40,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:15:40,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:15:40,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:15:40,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:15:40,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:15:40,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:15:40,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:15:40,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:15:40,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:15:40,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:15:40,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:15:40,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:15:40,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:15:40,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:15:40,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:15:40,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:15:40,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:15:40,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:15:40,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:15:40,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:15:40,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:15:40,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:15:40,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:15:40,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:15:40,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:15:40,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:15:40,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:15:40,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:15:40,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:15:40,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:15:40,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:15:40,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:15:40,829 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:15:40,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:15:40,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:15:40,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:15:40,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:15:40,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:15:40,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:15:40,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:15:40,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:15:40,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:15:40,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:15:40,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:15:40,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:15:40,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:15:40,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:15:40,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:15:40,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:15:40,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:40,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:15:40,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:15:40,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:15:40,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:15:40,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:15:40,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:15:40,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:15:40,838 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:/tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2020-11-28 03:15:41,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:15:41,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:15:41,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:15:41,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:15:41,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:15:41,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-28 03:15:41,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/data/7a448ec64/d6e79e064165428c813c6ed030dc6bba/FLAG90a51ec53 [2020-11-28 03:15:41,967 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:15:41,968 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-28 03:15:41,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/data/7a448ec64/d6e79e064165428c813c6ed030dc6bba/FLAG90a51ec53 [2020-11-28 03:15:42,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/data/7a448ec64/d6e79e064165428c813c6ed030dc6bba [2020-11-28 03:15:42,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:15:42,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:15:42,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:42,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:15:42,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:15:42,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:42,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c77fff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42, skipping insertion in model container [2020-11-28 03:15:42,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:42,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:15:42,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:15:42,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:42,776 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:15:42,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:42,925 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:15:42,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42 WrapperNode [2020-11-28 03:15:42,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:42,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:42,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:15:42,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:15:42,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:42,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:43,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:15:43,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:15:43,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:15:43,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... [2020-11-28 03:15:43,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:15:43,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:15:43,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:15:43,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:15:43,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:15:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:15:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:15:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:15:44,419 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:15:44,419 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-28 03:15:44,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:44 BoogieIcfgContainer [2020-11-28 03:15:44,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:15:44,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:15:44,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:15:44,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:15:44,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:42" (1/3) ... [2020-11-28 03:15:44,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df6ad87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:44, skipping insertion in model container [2020-11-28 03:15:44,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:42" (2/3) ... [2020-11-28 03:15:44,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df6ad87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:44, skipping insertion in model container [2020-11-28 03:15:44,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:44" (3/3) ... [2020-11-28 03:15:44,439 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-11-28 03:15:44,456 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:15:44,461 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:15:44,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:15:44,509 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:15:44,510 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:15:44,510 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:15:44,510 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:15:44,510 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:15:44,511 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:15:44,511 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:15:44,511 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:15:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-28 03:15:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:15:44,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:44,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:44,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:44,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603742, now seen corresponding path program 1 times [2020-11-28 03:15:44,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:44,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393911852] [2020-11-28 03:15:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:44,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393911852] [2020-11-28 03:15:44,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:44,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:44,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029771201] [2020-11-28 03:15:44,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:15:44,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:44,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:15:44,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:15:44,894 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-28 03:15:44,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:44,934 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-28 03:15:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:15:44,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:15:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:44,965 INFO L225 Difference]: With dead ends: 238 [2020-11-28 03:15:44,966 INFO L226 Difference]: Without dead ends: 117 [2020-11-28 03:15:44,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:15:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-28 03:15:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-28 03:15:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-28 03:15:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-28 03:15:45,028 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-28 03:15:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:45,029 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-28 03:15:45,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:15:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-28 03:15:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:15:45,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:45,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:45,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:15:45,032 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:45,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:45,033 INFO L82 PathProgramCache]: Analyzing trace with hash 299902115, now seen corresponding path program 1 times [2020-11-28 03:15:45,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:45,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840358981] [2020-11-28 03:15:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:45,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840358981] [2020-11-28 03:15:45,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:45,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:15:45,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645054267] [2020-11-28 03:15:45,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:45,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:45,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:45,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,232 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-11-28 03:15:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:45,259 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-28 03:15:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:45,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:15:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:45,263 INFO L225 Difference]: With dead ends: 117 [2020-11-28 03:15:45,263 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 03:15:45,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 03:15:45,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 03:15:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 03:15:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-28 03:15:45,274 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-28 03:15:45,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:45,274 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-28 03:15:45,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-28 03:15:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:15:45,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:45,276 INFO L422 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] [2020-11-28 03:15:45,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:15:45,277 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:45,278 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2020-11-28 03:15:45,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:45,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146349931] [2020-11-28 03:15:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:45,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146349931] [2020-11-28 03:15:45,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:45,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:45,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626347563] [2020-11-28 03:15:45,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:45,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:45,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:45,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,419 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-11-28 03:15:45,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:45,432 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-28 03:15:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:45,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:15:45,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:45,434 INFO L225 Difference]: With dead ends: 91 [2020-11-28 03:15:45,434 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 03:15:45,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 03:15:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 03:15:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 03:15:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-28 03:15:45,446 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-28 03:15:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:45,447 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-28 03:15:45,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-28 03:15:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:15:45,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:45,449 INFO L422 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] [2020-11-28 03:15:45,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:15:45,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:45,450 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2020-11-28 03:15:45,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:45,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984638835] [2020-11-28 03:15:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:45,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984638835] [2020-11-28 03:15:45,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:45,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:45,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684322747] [2020-11-28 03:15:45,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:45,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:45,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:45,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,525 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-28 03:15:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:45,616 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-28 03:15:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:45,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:15:45,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:45,620 INFO L225 Difference]: With dead ends: 113 [2020-11-28 03:15:45,620 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:15:45,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:45,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:15:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-28 03:15:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:15:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-28 03:15:45,635 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-28 03:15:45,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:45,635 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-28 03:15:45,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-28 03:15:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:15:45,638 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:45,639 INFO L422 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] [2020-11-28 03:15:45,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:15:45,639 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:45,640 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2020-11-28 03:15:45,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:45,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924281666] [2020-11-28 03:15:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:45,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924281666] [2020-11-28 03:15:45,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:45,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:15:45,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822370481] [2020-11-28 03:15:45,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:15:45,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:45,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:15:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:45,733 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-28 03:15:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:45,845 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-28 03:15:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:15:45,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:15:45,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:45,847 INFO L225 Difference]: With dead ends: 182 [2020-11-28 03:15:45,847 INFO L226 Difference]: Without dead ends: 120 [2020-11-28 03:15:45,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:15:45,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-28 03:15:45,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-28 03:15:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:15:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-28 03:15:45,862 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-28 03:15:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:45,862 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-28 03:15:45,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:15:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-28 03:15:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:15:45,870 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:45,870 INFO L422 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] [2020-11-28 03:15:45,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:15:45,871 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:45,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:45,872 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2020-11-28 03:15:45,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:45,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60038797] [2020-11-28 03:15:45,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:46,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60038797] [2020-11-28 03:15:46,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:46,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:15:46,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742283725] [2020-11-28 03:15:46,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:15:46,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:46,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:15:46,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:46,013 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-28 03:15:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:46,131 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-28 03:15:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:15:46,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:15:46,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:46,137 INFO L225 Difference]: With dead ends: 387 [2020-11-28 03:15:46,137 INFO L226 Difference]: Without dead ends: 319 [2020-11-28 03:15:46,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:15:46,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-28 03:15:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-28 03:15:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 03:15:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-28 03:15:46,180 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-28 03:15:46,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:46,186 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-28 03:15:46,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:15:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-28 03:15:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:15:46,190 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:46,190 INFO L422 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] [2020-11-28 03:15:46,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:15:46,191 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:46,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:46,191 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2020-11-28 03:15:46,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:46,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137577624] [2020-11-28 03:15:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:46,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137577624] [2020-11-28 03:15:46,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:46,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:15:46,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358155637] [2020-11-28 03:15:46,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:15:46,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:46,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:15:46,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:46,304 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-28 03:15:46,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:46,489 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-28 03:15:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:15:46,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:15:46,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:46,493 INFO L225 Difference]: With dead ends: 506 [2020-11-28 03:15:46,493 INFO L226 Difference]: Without dead ends: 378 [2020-11-28 03:15:46,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:15:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-28 03:15:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-28 03:15:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-28 03:15:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-28 03:15:46,516 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-28 03:15:46,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:46,517 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-28 03:15:46,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:15:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-28 03:15:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:15:46,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:46,519 INFO L422 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] [2020-11-28 03:15:46,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:15:46,519 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:46,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:46,520 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2020-11-28 03:15:46,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:46,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714513523] [2020-11-28 03:15:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:46,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714513523] [2020-11-28 03:15:46,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:46,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:15:46,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960627948] [2020-11-28 03:15:46,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:15:46,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:46,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:15:46,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:15:46,587 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 4 states. [2020-11-28 03:15:46,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:46,664 INFO L93 Difference]: Finished difference Result 319 states and 433 transitions. [2020-11-28 03:15:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:15:46,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:15:46,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:46,666 INFO L225 Difference]: With dead ends: 319 [2020-11-28 03:15:46,667 INFO L226 Difference]: Without dead ends: 192 [2020-11-28 03:15:46,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:46,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-28 03:15:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-11-28 03:15:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-28 03:15:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-28 03:15:46,691 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-28 03:15:46,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:46,692 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-28 03:15:46,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:15:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-28 03:15:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:15:46,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:46,697 INFO L422 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] [2020-11-28 03:15:46,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:15:46,699 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:46,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:46,700 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2020-11-28 03:15:46,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:46,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749405211] [2020-11-28 03:15:46,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:46,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749405211] [2020-11-28 03:15:46,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:46,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:46,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610153284] [2020-11-28 03:15:46,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:46,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:46,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:46,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:46,805 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-11-28 03:15:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:46,846 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-11-28 03:15:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:46,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:15:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:46,849 INFO L225 Difference]: With dead ends: 327 [2020-11-28 03:15:46,849 INFO L226 Difference]: Without dead ends: 192 [2020-11-28 03:15:46,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-28 03:15:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-11-28 03:15:46,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-28 03:15:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-11-28 03:15:46,872 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-11-28 03:15:46,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:46,873 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-11-28 03:15:46,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-11-28 03:15:46,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:15:46,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:46,875 INFO L422 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] [2020-11-28 03:15:46,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:15:46,876 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:46,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:46,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2020-11-28 03:15:46,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:46,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920773400] [2020-11-28 03:15:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:46,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920773400] [2020-11-28 03:15:46,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:46,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:15:46,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019388182] [2020-11-28 03:15:46,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:46,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:46,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:46,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:46,986 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-11-28 03:15:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:47,039 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-11-28 03:15:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:47,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:15:47,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:47,049 INFO L225 Difference]: With dead ends: 295 [2020-11-28 03:15:47,049 INFO L226 Difference]: Without dead ends: 293 [2020-11-28 03:15:47,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-28 03:15:47,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-11-28 03:15:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-11-28 03:15:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-11-28 03:15:47,078 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-11-28 03:15:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:47,078 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-11-28 03:15:47,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-11-28 03:15:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:15:47,080 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:47,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:47,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:15:47,081 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:47,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:47,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1447506227, now seen corresponding path program 1 times [2020-11-28 03:15:47,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:47,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650129036] [2020-11-28 03:15:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:47,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650129036] [2020-11-28 03:15:47,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292151208] [2020-11-28 03:15:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:15:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:47,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:15:47,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:15:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:47,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:15:47,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:15:47,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751761091] [2020-11-28 03:15:47,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:47,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:47,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:47,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:47,460 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2020-11-28 03:15:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:47,572 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-11-28 03:15:47,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:47,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 03:15:47,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:47,575 INFO L225 Difference]: With dead ends: 374 [2020-11-28 03:15:47,575 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:15:47,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:15:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:15:47,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-11-28 03:15:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-28 03:15:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-11-28 03:15:47,600 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-11-28 03:15:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:47,601 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-11-28 03:15:47,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-11-28 03:15:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:15:47,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:47,603 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:47,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-28 03:15:47,816 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:47,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:47,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1936924503, now seen corresponding path program 1 times [2020-11-28 03:15:47,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:47,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748437445] [2020-11-28 03:15:47,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 03:15:47,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748437445] [2020-11-28 03:15:47,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699117724] [2020-11-28 03:15:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:15:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:48,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:15:48,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:15:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:15:48,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:15:48,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-28 03:15:48,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71128896] [2020-11-28 03:15:48,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:15:48,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:48,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:15:48,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:15:48,312 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2020-11-28 03:15:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:48,392 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2020-11-28 03:15:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:15:48,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:15:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:48,395 INFO L225 Difference]: With dead ends: 494 [2020-11-28 03:15:48,395 INFO L226 Difference]: Without dead ends: 354 [2020-11-28 03:15:48,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:15:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-28 03:15:48,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2020-11-28 03:15:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-28 03:15:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-11-28 03:15:48,420 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-11-28 03:15:48,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:48,420 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-11-28 03:15:48,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:15:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-11-28 03:15:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:15:48,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:48,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:48,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:15:48,648 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:48,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1678759065, now seen corresponding path program 1 times [2020-11-28 03:15:48,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:48,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790776566] [2020-11-28 03:15:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:48,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790776566] [2020-11-28 03:15:48,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:48,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:15:48,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717587981] [2020-11-28 03:15:48,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:15:48,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:48,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:15:48,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:15:48,834 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-11-28 03:15:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:49,024 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-11-28 03:15:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:15:49,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-28 03:15:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:49,025 INFO L225 Difference]: With dead ends: 485 [2020-11-28 03:15:49,025 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:15:49,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:15:49,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:15:49,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:15:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:15:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:15:49,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-28 03:15:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:49,027 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:15:49,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:15:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:15:49,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:15:49,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:15:49,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:15:49,183 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2020-11-28 03:15:49,531 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2020-11-28 03:15:49,736 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2020-11-28 03:15:49,956 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2020-11-28 03:15:50,347 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2020-11-28 03:15:50,812 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2020-11-28 03:15:51,177 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2020-11-28 03:15:51,482 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-11-28 03:15:51,657 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-11-28 03:15:51,984 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-11-28 03:15:52,454 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-11-28 03:15:52,738 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 21 [2020-11-28 03:15:53,158 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-11-28 03:15:53,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,167 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,167 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,168 INFO L274 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,169 INFO L274 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,170 INFO L274 CegarLoopResult]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,170 INFO L274 CegarLoopResult]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,170 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:15:53,170 INFO L274 CegarLoopResult]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,170 INFO L274 CegarLoopResult]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:15:53,170 INFO L274 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L932-2(line 932) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,171 INFO L274 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,172 INFO L274 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2020-11-28 03:15:53,172 INFO L270 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:15:53,172 INFO L274 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2020-11-28 03:15:53,172 INFO L270 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2020-11-28 03:15:53,172 INFO L270 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2020-11-28 03:15:53,172 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse6 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse7) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse2 .cse7 .cse3 .cse4))) [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2020-11-28 03:15:53,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2020-11-28 03:15:53,173 INFO L270 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242(lines 233 246) the Hoare annotation is: false [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse1 .cse2 .cse5))) [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2020-11-28 03:15:53,174 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2020-11-28 03:15:53,174 INFO L270 CegarLoopResult]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L309(lines 308 353) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L276(lines 276 293) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L274 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,175 INFO L270 CegarLoopResult]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2020-11-28 03:15:53,176 INFO L270 CegarLoopResult]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2020-11-28 03:15:53,176 INFO L270 CegarLoopResult]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-11-28 03:15:53,176 INFO L274 CegarLoopResult]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L270 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse5))) [2020-11-28 03:15:53,177 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2020-11-28 03:15:53,177 INFO L270 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L280(lines 280 290) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2020-11-28 03:15:53,177 INFO L274 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2020-11-28 03:15:53,178 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-28 03:15:53,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:15:53,178 INFO L270 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 .cse2 .cse6))) [2020-11-28 03:15:53,178 INFO L270 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2020-11-28 03:15:53,178 INFO L270 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2020-11-28 03:15:53,178 INFO L274 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-11-28 03:15:53,179 INFO L270 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:15:53,179 INFO L270 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 03:15:53,179 INFO L270 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2020-11-28 03:15:53,179 INFO L270 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2020-11-28 03:15:53,179 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:15:53,179 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:15:53,179 INFO L274 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,179 INFO L274 CegarLoopResult]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,180 INFO L274 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,182 INFO L274 CegarLoopResult]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,182 INFO L274 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,182 INFO L274 CegarLoopResult]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2020-11-28 03:15:53,182 INFO L270 CegarLoopResult]: At program point L354(lines 307 355) the Hoare annotation is: false [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point L160(lines 160 164) no Hoare annotation was computed. [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2020-11-28 03:15:53,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:15:53,184 INFO L274 CegarLoopResult]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2020-11-28 03:15:53,184 INFO L270 CegarLoopResult]: At program point L557(lines 542 560) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0)) [2020-11-28 03:15:53,184 INFO L270 CegarLoopResult]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2020-11-28 03:15:53,184 INFO L270 CegarLoopResult]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2020-11-28 03:15:53,184 INFO L274 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-11-28 03:15:53,185 INFO L270 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:15:53,185 INFO L270 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse5))) [2020-11-28 03:15:53,185 INFO L270 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2020-11-28 03:15:53,185 INFO L270 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-11-28 03:15:53,185 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:15:53,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:15:53,185 INFO L274 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-11-28 03:15:53,185 INFO L274 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2020-11-28 03:15:53,185 INFO L274 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2020-11-28 03:15:53,186 INFO L270 CegarLoopResult]: At program point L265(lines 260 267) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:15:53,186 INFO L270 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:15:53,186 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-28 03:15:53,186 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-28 03:15:53,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:53 BoogieIcfgContainer [2020-11-28 03:15:53,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:15:53,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:15:53,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:15:53,226 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:15:53,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:44" (3/4) ... [2020-11-28 03:15:53,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:15:53,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:15:53,254 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:15:53,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:15:53,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:15:53,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:15:53,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:53,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:53,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-28 03:15:53,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-28 03:15:53,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-28 03:15:53,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-11-28 03:15:53,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 03:15:53,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:15:53,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel [2020-11-28 03:15:53,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 03:15:53,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ca86362-d680-4467-b931-bc47507c483b/bin/uautomizer/witness.graphml [2020-11-28 03:15:53,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:15:53,417 INFO L168 Benchmark]: Toolchain (without parser) took 11200.71 ms. Allocated memory was 98.6 MB in the beginning and 180.4 MB in the end (delta: 81.8 MB). Free memory was 64.6 MB in the beginning and 103.6 MB in the end (delta: -39.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,417 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:53,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.08 ms. Allocated memory is still 98.6 MB. Free memory was 64.4 MB in the beginning and 64.2 MB in the end (delta: 204.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 60.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,419 INFO L168 Benchmark]: Boogie Preprocessor took 101.85 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 57.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,419 INFO L168 Benchmark]: RCFGBuilder took 1274.70 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 57.9 MB in the beginning and 62.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,423 INFO L168 Benchmark]: TraceAbstraction took 8797.01 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 62.3 MB in the beginning and 114.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,424 INFO L168 Benchmark]: Witness Printer took 190.29 ms. Allocated memory is still 180.4 MB. Free memory was 114.1 MB in the beginning and 103.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:53,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.08 ms. Allocated memory is still 98.6 MB. Free memory was 64.4 MB in the beginning and 64.2 MB in the end (delta: 204.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 60.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.85 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 57.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1274.70 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 57.9 MB in the beginning and 62.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8797.01 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 62.3 MB in the beginning and 114.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. * Witness Printer took 190.29 ms. Allocated memory is still 180.4 MB. Free memory was 114.1 MB in the beginning and 103.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1237 SDslu, 1629 SDs, 0 SdLazy, 207 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 735 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 703 HoareAnnotationTreeSize, 43 FomulaSimplifications, 143626 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 43 FomulaSimplificationsInter, 20760 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 44857 SizeOfPredicates, 5 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...