./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.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_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/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 4c100018e2a5139387b38d5f21033274a3db59f6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:17:18,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:18,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:18,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:18,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:18,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:18,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:18,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:18,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:18,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:18,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:18,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:18,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:18,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:18,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:18,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:18,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:18,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:18,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:18,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:18,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:18,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:18,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:18,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:18,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:18,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:18,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:18,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:18,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:18,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:18,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:18,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:18,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:18,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:18,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:18,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:18,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:18,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:18,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:18,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:18,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:18,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:18,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:18,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:18,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:18,775 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:18,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:18,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:18,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:18,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:18,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:18,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:18,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:18,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:18,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:18,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:18,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:18,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:18,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:18,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:18,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:18,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:18,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:18,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:18,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:18,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:18,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:18,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:18,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:18,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:18,780 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_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c100018e2a5139387b38d5f21033274a3db59f6 [2020-11-28 03:17:19,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:19,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:19,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:19,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:19,083 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:19,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-11-28 03:17:19,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/data/e3fe2c56d/1fd87dee484441b7beb906929411a851/FLAG3c2677b9f [2020-11-28 03:17:19,692 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:19,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-11-28 03:17:19,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/data/e3fe2c56d/1fd87dee484441b7beb906929411a851/FLAG3c2677b9f [2020-11-28 03:17:20,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/data/e3fe2c56d/1fd87dee484441b7beb906929411a851 [2020-11-28 03:17:20,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:20,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:20,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:20,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:20,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:20,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649caa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20, skipping insertion in model container [2020-11-28 03:17:20,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:20,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:20,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:20,581 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:20,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:20,710 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:20,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20 WrapperNode [2020-11-28 03:17:20,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:20,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:20,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:20,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:20,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:20,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:20,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:20,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:20,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2020-11-28 03:17:20,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:20,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:20,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:20,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:20,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/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 03:17:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:22,198 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:22,198 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-11-28 03:17:22,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:22 BoogieIcfgContainer [2020-11-28 03:17:22,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:22,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:22,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:22,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:22,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:20" (1/3) ... [2020-11-28 03:17:22,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617dcd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:22, skipping insertion in model container [2020-11-28 03:17:22,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (2/3) ... [2020-11-28 03:17:22,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617dcd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:22, skipping insertion in model container [2020-11-28 03:17:22,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:22" (3/3) ... [2020-11-28 03:17:22,218 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-11-28 03:17:22,260 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:22,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:17:22,279 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:17:22,331 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:22,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:22,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:22,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:22,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:22,332 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:22,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:22,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-11-28 03:17:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:17:22,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:22,359 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 03:17:22,360 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:22,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2117341070, now seen corresponding path program 1 times [2020-11-28 03:17:22,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:22,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328227042] [2020-11-28 03:17:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:22,686 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 03:17:22,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328227042] [2020-11-28 03:17:22,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:22,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:22,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531156864] [2020-11-28 03:17:22,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:17:22,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:22,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:17:22,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:17:22,715 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-11-28 03:17:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:22,780 INFO L93 Difference]: Finished difference Result 272 states and 403 transitions. [2020-11-28 03:17:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:17:22,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-28 03:17:22,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:22,794 INFO L225 Difference]: With dead ends: 272 [2020-11-28 03:17:22,794 INFO L226 Difference]: Without dead ends: 134 [2020-11-28 03:17:22,797 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 03:17:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-11-28 03:17:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-11-28 03:17:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-28 03:17:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-11-28 03:17:22,876 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-11-28 03:17:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:22,877 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-11-28 03:17:22,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:17:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-11-28 03:17:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:17:22,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:22,879 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] [2020-11-28 03:17:22,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:22,880 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:22,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:22,882 INFO L82 PathProgramCache]: Analyzing trace with hash -311321517, now seen corresponding path program 1 times [2020-11-28 03:17:22,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:22,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131502595] [2020-11-28 03:17:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,052 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 03:17:23,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131502595] [2020-11-28 03:17:23,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:23,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818327639] [2020-11-28 03:17:23,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:23,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:23,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:23,056 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-11-28 03:17:23,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,070 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-11-28 03:17:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:23,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-28 03:17:23,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,073 INFO L225 Difference]: With dead ends: 134 [2020-11-28 03:17:23,073 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:17:23,074 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 03:17:23,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:17:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:17:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:17:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-28 03:17:23,081 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-11-28 03:17:23,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,082 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-28 03:17:23,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:23,082 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-28 03:17:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:17:23,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,084 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 03:17:23,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:23,084 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,085 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2020-11-28 03:17:23,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140922892] [2020-11-28 03:17:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,192 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 03:17:23,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140922892] [2020-11-28 03:17:23,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:23,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291280604] [2020-11-28 03:17:23,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:23,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:23,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:23,195 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-28 03:17:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,229 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-11-28 03:17:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:23,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:17:23,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,232 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:17:23,233 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:17:23,235 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 03:17:23,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:17:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:17:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:17:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-11-28 03:17:23,250 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-11-28 03:17:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,251 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-11-28 03:17:23,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-11-28 03:17:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:17:23,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,254 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] [2020-11-28 03:17:23,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:23,254 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2020-11-28 03:17:23,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455428749] [2020-11-28 03:17:23,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,373 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 03:17:23,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455428749] [2020-11-28 03:17:23,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:23,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984636230] [2020-11-28 03:17:23,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:23,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:23,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:23,376 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-11-28 03:17:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,448 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-11-28 03:17:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:23,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-28 03:17:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,451 INFO L225 Difference]: With dead ends: 127 [2020-11-28 03:17:23,451 INFO L226 Difference]: Without dead ends: 79 [2020-11-28 03:17:23,451 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 03:17:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-28 03:17:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-11-28 03:17:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-28 03:17:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-11-28 03:17:23,474 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-11-28 03:17:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,475 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-11-28 03:17:23,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-11-28 03:17:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:17:23,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,479 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 03:17:23,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:17:23,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2020-11-28 03:17:23,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275161559] [2020-11-28 03:17:23,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,608 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 03:17:23,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275161559] [2020-11-28 03:17:23,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:23,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707403729] [2020-11-28 03:17:23,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:23,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:23,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:23,611 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-11-28 03:17:23,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,766 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-11-28 03:17:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:17:23,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:17:23,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,769 INFO L225 Difference]: With dead ends: 260 [2020-11-28 03:17:23,769 INFO L226 Difference]: Without dead ends: 190 [2020-11-28 03:17:23,769 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 03:17:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-11-28 03:17:23,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-11-28 03:17:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 03:17:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-11-28 03:17:23,794 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-11-28 03:17:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,794 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-11-28 03:17:23,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-11-28 03:17:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:17:23,798 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,798 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, 1, 1, 1] [2020-11-28 03:17:23,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:17:23,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,799 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2020-11-28 03:17:23,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085828682] [2020-11-28 03:17:23,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,876 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 03:17:23,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085828682] [2020-11-28 03:17:23,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:17:23,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826301295] [2020-11-28 03:17:23,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:23,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:23,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:23,879 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-11-28 03:17:23,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,966 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-11-28 03:17:23,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:17:23,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-28 03:17:23,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,968 INFO L225 Difference]: With dead ends: 194 [2020-11-28 03:17:23,968 INFO L226 Difference]: Without dead ends: 125 [2020-11-28 03:17:23,969 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 03:17:23,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-28 03:17:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-11-28 03:17:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-11-28 03:17:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-11-28 03:17:23,987 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-11-28 03:17:23,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,991 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-11-28 03:17:23,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-11-28 03:17:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:17:23,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,992 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, 1, 1, 1] [2020-11-28 03:17:23,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:17:23,993 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2020-11-28 03:17:23,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495855899] [2020-11-28 03:17:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,070 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 03:17:24,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495855899] [2020-11-28 03:17:24,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:24,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:24,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760516098] [2020-11-28 03:17:24,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:17:24,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:24,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:24,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:24,072 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-11-28 03:17:24,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,132 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-11-28 03:17:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:24,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-28 03:17:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,134 INFO L225 Difference]: With dead ends: 189 [2020-11-28 03:17:24,134 INFO L226 Difference]: Without dead ends: 114 [2020-11-28 03:17:24,135 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 03:17:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-11-28 03:17:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-11-28 03:17:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-28 03:17:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-11-28 03:17:24,153 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-11-28 03:17:24,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,154 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-11-28 03:17:24,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:17:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-11-28 03:17:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:17:24,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,160 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, 1, 1, 1] [2020-11-28 03:17:24,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:17:24,160 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2020-11-28 03:17:24,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223588294] [2020-11-28 03:17:24,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,233 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 03:17:24,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223588294] [2020-11-28 03:17:24,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:24,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:24,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609051224] [2020-11-28 03:17:24,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:24,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:24,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:24,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:24,236 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-11-28 03:17:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,270 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-11-28 03:17:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:24,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 03:17:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,273 INFO L225 Difference]: With dead ends: 193 [2020-11-28 03:17:24,273 INFO L226 Difference]: Without dead ends: 114 [2020-11-28 03:17:24,273 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 03:17:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-11-28 03:17:24,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-11-28 03:17:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-28 03:17:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-11-28 03:17:24,287 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-11-28 03:17:24,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,287 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-11-28 03:17:24,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-11-28 03:17:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 03:17:24,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,289 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, 1, 1, 1, 1] [2020-11-28 03:17:24,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:17:24,289 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,290 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2020-11-28 03:17:24,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892377943] [2020-11-28 03:17:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,445 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 03:17:24,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892377943] [2020-11-28 03:17:24,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:24,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:17:24,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652223712] [2020-11-28 03:17:24,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:17:24,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:24,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:17:24,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:24,453 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-11-28 03:17:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,862 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-11-28 03:17:24,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:17:24,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-11-28 03:17:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,866 INFO L225 Difference]: With dead ends: 533 [2020-11-28 03:17:24,866 INFO L226 Difference]: Without dead ends: 454 [2020-11-28 03:17:24,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:17:24,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-11-28 03:17:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-11-28 03:17:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-28 03:17:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-11-28 03:17:24,894 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-11-28 03:17:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,895 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-11-28 03:17:24,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:17:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-11-28 03:17:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 03:17:24,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,896 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, 1] [2020-11-28 03:17:24,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:17:24,897 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1262986043, now seen corresponding path program 1 times [2020-11-28 03:17:24,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751028938] [2020-11-28 03:17:24,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:24,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751028938] [2020-11-28 03:17:24,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959020488] [2020-11-28 03:17:24,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/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 03:17:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:25,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:25,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:25,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:17:25,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-11-28 03:17:25,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699230990] [2020-11-28 03:17:25,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:17:25,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:25,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:17:25,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:17:25,376 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 9 states. [2020-11-28 03:17:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:25,764 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-11-28 03:17:25,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:17:25,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-11-28 03:17:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:25,766 INFO L225 Difference]: With dead ends: 435 [2020-11-28 03:17:25,767 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:17:25,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-11-28 03:17:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:17:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:17:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:17:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:17:25,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-11-28 03:17:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:25,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:25,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:17:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:17:25,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:17:25,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:17:25,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:17:26,123 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-11-28 03:17:26,810 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-11-28 03:17:27,025 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-11-28 03:17:27,272 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-11-28 03:17:27,390 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 20 [2020-11-28 03:17:27,603 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-11-28 03:17:27,893 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-11-28 03:17:28,079 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2020-11-28 03:17:28,188 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2020-11-28 03:17:28,361 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-11-28 03:17:28,421 INFO L274 CegarLoopResult]: For program point L927(lines 926 973) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L928(lines 928 932) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,422 INFO L274 CegarLoopResult]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:17:28,423 INFO L274 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-11-28 03:17:28,424 INFO L270 CegarLoopResult]: At program point L72-1(lines 1 981) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,424 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-11-28 03:17:28,424 INFO L270 CegarLoopResult]: At program point L72-3(lines 1 981) the Hoare annotation is: false [2020-11-28 03:17:28,424 INFO L274 CegarLoopResult]: For program point L964(lines 964 968) no Hoare annotation was computed. [2020-11-28 03:17:28,424 INFO L274 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-11-28 03:17:28,424 INFO L270 CegarLoopResult]: At program point L72-5(lines 1 981) the Hoare annotation is: false [2020-11-28 03:17:28,425 INFO L270 CegarLoopResult]: At program point L964-2(lines 964 968) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,425 INFO L270 CegarLoopResult]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L702-2(line 702) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-11-28 03:17:28,425 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L274 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-11-28 03:17:28,426 INFO L270 CegarLoopResult]: At program point L936-1(lines 936 942) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,426 INFO L270 CegarLoopResult]: At program point L903(lines 888 906) the Hoare annotation is: false [2020-11-28 03:17:28,427 INFO L270 CegarLoopResult]: At program point L903-1(lines 888 906) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,427 INFO L270 CegarLoopResult]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2020-11-28 03:17:28,427 INFO L270 CegarLoopResult]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2020-11-28 03:17:28,431 INFO L270 CegarLoopResult]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2020-11-28 03:17:28,431 INFO L270 CegarLoopResult]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2020-11-28 03:17:28,432 INFO L270 CegarLoopResult]: At program point L839(lines 832 842) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 03:17:28,432 INFO L270 CegarLoopResult]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,432 INFO L270 CegarLoopResult]: At program point L839-2(lines 832 842) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 03:17:28,432 INFO L270 CegarLoopResult]: At program point L839-3(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,432 INFO L270 CegarLoopResult]: At program point L839-4(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,433 INFO L270 CegarLoopResult]: At program point L839-5(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,433 INFO L270 CegarLoopResult]: At program point L839-6(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,433 INFO L270 CegarLoopResult]: At program point L839-7(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,433 INFO L274 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-11-28 03:17:28,433 INFO L270 CegarLoopResult]: At program point L839-8(lines 832 842) the Hoare annotation is: false [2020-11-28 03:17:28,433 INFO L274 CegarLoopResult]: For program point L575-3(lines 575 579) no Hoare annotation was computed. [2020-11-28 03:17:28,433 INFO L274 CegarLoopResult]: For program point L575-6(lines 575 579) no Hoare annotation was computed. [2020-11-28 03:17:28,434 INFO L270 CegarLoopResult]: At program point L974(lines 925 975) the Hoare annotation is: false [2020-11-28 03:17:28,434 INFO L270 CegarLoopResult]: At program point L644(lines 639 647) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,434 INFO L270 CegarLoopResult]: At program point L644-1(lines 639 647) the Hoare annotation is: false [2020-11-28 03:17:28,434 INFO L270 CegarLoopResult]: At program point L644-2(lines 639 647) the Hoare annotation is: false [2020-11-28 03:17:28,434 INFO L270 CegarLoopResult]: At program point L612(lines 607 615) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-1(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-2(lines 607 615) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-3(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-4(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-5(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,435 INFO L270 CegarLoopResult]: At program point L612-6(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,436 INFO L270 CegarLoopResult]: At program point L612-7(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,436 INFO L270 CegarLoopResult]: At program point L612-8(lines 607 615) the Hoare annotation is: false [2020-11-28 03:17:28,436 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:28,437 INFO L274 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-11-28 03:17:28,437 INFO L274 CegarLoopResult]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2020-11-28 03:17:28,437 INFO L274 CegarLoopResult]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2020-11-28 03:17:28,437 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:17:28,437 INFO L274 CegarLoopResult]: For program point L185(lines 185 192) no Hoare annotation was computed. [2020-11-28 03:17:28,438 INFO L277 CegarLoopResult]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2020-11-28 03:17:28,438 INFO L274 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-11-28 03:17:28,438 INFO L270 CegarLoopResult]: At program point L946-1(lines 946 952) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,438 INFO L274 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,440 INFO L274 CegarLoopResult]: For program point L814-2(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,440 INFO L274 CegarLoopResult]: For program point L814-4(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,440 INFO L274 CegarLoopResult]: For program point L814-6(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,442 INFO L274 CegarLoopResult]: For program point L814-8(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,442 INFO L274 CegarLoopResult]: For program point L814-10(lines 814 820) no Hoare annotation was computed. [2020-11-28 03:17:28,442 INFO L270 CegarLoopResult]: At program point L848(lines 843 851) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,442 INFO L270 CegarLoopResult]: At program point L848-1(lines 843 851) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,442 INFO L274 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-11-28 03:17:28,443 INFO L270 CegarLoopResult]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2020-11-28 03:17:28,443 INFO L274 CegarLoopResult]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2020-11-28 03:17:28,446 INFO L270 CegarLoopResult]: At program point L848-3(lines 843 851) the Hoare annotation is: false [2020-11-28 03:17:28,446 INFO L270 CegarLoopResult]: At program point L848-4(lines 843 851) the Hoare annotation is: false [2020-11-28 03:17:28,447 INFO L274 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-11-28 03:17:28,447 INFO L270 CegarLoopResult]: At program point L848-5(lines 843 851) the Hoare annotation is: false [2020-11-28 03:17:28,447 INFO L270 CegarLoopResult]: At program point L685(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:28,447 INFO L274 CegarLoopResult]: For program point L652(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,447 INFO L274 CegarLoopResult]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,447 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point L652-4(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 658) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L270 CegarLoopResult]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,448 INFO L274 CegarLoopResult]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L274 CegarLoopResult]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L274 CegarLoopResult]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L274 CegarLoopResult]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L274 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L274 CegarLoopResult]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2020-11-28 03:17:28,449 INFO L270 CegarLoopResult]: At program point L720(lines 716 738) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,449 INFO L270 CegarLoopResult]: At program point L720-1(lines 716 738) the Hoare annotation is: false [2020-11-28 03:17:28,450 INFO L270 CegarLoopResult]: At program point L720-2(lines 716 738) the Hoare annotation is: false [2020-11-28 03:17:28,450 INFO L270 CegarLoopResult]: At program point L61(lines 720 726) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 03:17:28,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:17:28,450 INFO L270 CegarLoopResult]: At program point L61-1(lines 720 726) the Hoare annotation is: false [2020-11-28 03:17:28,451 INFO L270 CegarLoopResult]: At program point L61-2(lines 720 726) the Hoare annotation is: false [2020-11-28 03:17:28,451 INFO L277 CegarLoopResult]: At program point L194(lines 175 197) the Hoare annotation is: true [2020-11-28 03:17:28,451 INFO L274 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,451 INFO L274 CegarLoopResult]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,451 INFO L274 CegarLoopResult]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,452 INFO L270 CegarLoopResult]: At program point L657(lines 648 661) the Hoare annotation is: false [2020-11-28 03:17:28,452 INFO L274 CegarLoopResult]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,452 INFO L270 CegarLoopResult]: At program point L657-1(lines 648 661) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,452 INFO L274 CegarLoopResult]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,452 INFO L270 CegarLoopResult]: At program point L657-2(lines 648 661) the Hoare annotation is: false [2020-11-28 03:17:28,452 INFO L274 CegarLoopResult]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2020-11-28 03:17:28,452 INFO L270 CegarLoopResult]: At program point L657-3(lines 648 661) the Hoare annotation is: false [2020-11-28 03:17:28,453 INFO L270 CegarLoopResult]: At program point L657-4(lines 648 661) the Hoare annotation is: false [2020-11-28 03:17:28,453 INFO L270 CegarLoopResult]: At program point L657-5(lines 648 661) the Hoare annotation is: false [2020-11-28 03:17:28,453 INFO L274 CegarLoopResult]: For program point L956(lines 956 969) no Hoare annotation was computed. [2020-11-28 03:17:28,453 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:17:28,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:28,453 INFO L270 CegarLoopResult]: At program point L693(lines 688 696) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:28,454 INFO L270 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 03:17:28,454 INFO L270 CegarLoopResult]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2020-11-28 03:17:28,454 INFO L270 CegarLoopResult]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2020-11-28 03:17:28,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:28 BoogieIcfgContainer [2020-11-28 03:17:28,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:28,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:28,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:28,502 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:28,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:22" (3/4) ... [2020-11-28 03:17:28,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:17:28,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:17:28,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:17:28,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:17:28,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:17:28,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:17:28,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:28,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:28,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-28 03:17:28,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-28 03:17:28,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 03:17:28,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2c0dca4-6e0c-46ca-9ae9-e7c23594e9f3/bin/uautomizer/witness.graphml [2020-11-28 03:17:28,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:28,695 INFO L168 Benchmark]: Toolchain (without parser) took 8661.59 ms. Allocated memory was 90.2 MB in the beginning and 172.0 MB in the end (delta: 81.8 MB). Free memory was 52.6 MB in the beginning and 92.1 MB in the end (delta: -39.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,696 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:28,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.05 ms. Allocated memory is still 90.2 MB. Free memory was 52.4 MB in the beginning and 56.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.36 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 51.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,697 INFO L168 Benchmark]: Boogie Preprocessor took 105.47 ms. Allocated memory is still 90.2 MB. Free memory was 51.8 MB in the beginning and 48.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,697 INFO L168 Benchmark]: RCFGBuilder took 1248.70 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 48.9 MB in the beginning and 41.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,698 INFO L168 Benchmark]: TraceAbstraction took 6290.84 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 40.6 MB in the beginning and 104.7 MB in the end (delta: -64.1 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,698 INFO L168 Benchmark]: Witness Printer took 193.49 ms. Allocated memory is still 172.0 MB. Free memory was 104.7 MB in the beginning and 92.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:28,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 674.05 ms. Allocated memory is still 90.2 MB. Free memory was 52.4 MB in the beginning and 56.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.36 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 51.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.47 ms. Allocated memory is still 90.2 MB. Free memory was 51.8 MB in the beginning and 48.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1248.70 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 48.9 MB in the beginning and 41.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6290.84 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 40.6 MB in the beginning and 104.7 MB in the end (delta: -64.1 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. * Witness Printer took 193.49 ms. Allocated memory is still 172.0 MB. Free memory was 104.7 MB in the beginning and 92.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1107 SDtfs, 1265 SDslu, 1530 SDs, 0 SdLazy, 255 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, 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, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 169 NumberOfFragments, 693 HoareAnnotationTreeSize, 62 FomulaSimplifications, 32765 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7455 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 32751 SizeOfPredicates, 4 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...