./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/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 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:29:20,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:29:20,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:29:20,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:29:20,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:29:20,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:29:20,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:29:20,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:29:20,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:29:20,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:29:20,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:29:20,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:29:20,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:29:20,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:29:20,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:29:20,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:29:20,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:29:20,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:29:20,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:29:20,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:29:20,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:29:20,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:29:20,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:29:20,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:29:20,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:29:20,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:29:20,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:29:20,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:29:20,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:29:20,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:29:20,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:29:20,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:29:20,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:29:20,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:29:20,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:29:20,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:29:20,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:29:20,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:29:20,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:29:20,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:29:20,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:29:20,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:29:20,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:29:20,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:29:20,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:29:20,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:29:20,935 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:29:20,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:29:20,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:29:20,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:29:20,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:29:20,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:29:20,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:29:20,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:29:20,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:29:20,939 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:29:20,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:29:20,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:29:20,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:29:20,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:29:20,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:29:20,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:29:20,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:29:20,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:29:20,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:29:20,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:29:20,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:29:20,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:29:20,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:29:20,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:29:20,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:29:20,944 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_e8db43a6-140c-4487-9b14-417513ddeca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 [2020-11-30 00:29:21,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:29:21,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:29:21,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:29:21,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:29:21,275 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:29:21,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-11-30 00:29:21,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/data/a6170895e/324483c14be8464bacb91c8cd8e9c747/FLAG42e671413 [2020-11-30 00:29:22,035 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:29:22,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-11-30 00:29:22,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/data/a6170895e/324483c14be8464bacb91c8cd8e9c747/FLAG42e671413 [2020-11-30 00:29:22,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/data/a6170895e/324483c14be8464bacb91c8cd8e9c747 [2020-11-30 00:29:22,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:29:22,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:29:22,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:22,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:29:22,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:29:22,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:22" (1/1) ... [2020-11-30 00:29:22,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf65be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:22, skipping insertion in model container [2020-11-30 00:29:22,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:22" (1/1) ... [2020-11-30 00:29:22,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:29:22,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:29:22,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:22,845 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:29:22,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:23,041 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:29:23,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23 WrapperNode [2020-11-30 00:29:23,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:23,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:23,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:29:23,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:29:23,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:23,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:29:23,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:29:23,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:29:23,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:29:23,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:29:23,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:29:23,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:29:23,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/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 [2020-11-30 00:29:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:29:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:29:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:29:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:29:24,456 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:29:24,457 INFO L298 CfgBuilder]: Removed 138 assume(true) statements. [2020-11-30 00:29:24,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:24 BoogieIcfgContainer [2020-11-30 00:29:24,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:29:24,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:29:24,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:29:24,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:29:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:29:22" (1/3) ... [2020-11-30 00:29:24,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342def5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:24, skipping insertion in model container [2020-11-30 00:29:24,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (2/3) ... [2020-11-30 00:29:24,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342def5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:24, skipping insertion in model container [2020-11-30 00:29:24,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:24" (3/3) ... [2020-11-30 00:29:24,472 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-11-30 00:29:24,486 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:29:24,493 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:29:24,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:29:24,540 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:29:24,540 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:29:24,540 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:29:24,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:29:24,541 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:29:24,541 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:29:24,541 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:29:24,541 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:29:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-11-30 00:29:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:29:24,571 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:24,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:24,572 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:24,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2026563040, now seen corresponding path program 1 times [2020-11-30 00:29:24,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:24,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15614415] [2020-11-30 00:29:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:24,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15614415] [2020-11-30 00:29:24,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:24,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:24,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196013202] [2020-11-30 00:29:24,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:29:24,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:24,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:29:24,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:29:24,942 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2020-11-30 00:29:25,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:25,014 INFO L93 Difference]: Finished difference Result 192 states and 283 transitions. [2020-11-30 00:29:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:29:25,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-30 00:29:25,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:25,036 INFO L225 Difference]: With dead ends: 192 [2020-11-30 00:29:25,036 INFO L226 Difference]: Without dead ends: 94 [2020-11-30 00:29:25,043 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 [2020-11-30 00:29:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-11-30 00:29:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-11-30 00:29:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-11-30 00:29:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-11-30 00:29:25,123 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-11-30 00:29:25,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:25,123 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-11-30 00:29:25,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:29:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-11-30 00:29:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:29:25,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:25,128 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] [2020-11-30 00:29:25,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:29:25,159 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:25,160 INFO L82 PathProgramCache]: Analyzing trace with hash 988306110, now seen corresponding path program 1 times [2020-11-30 00:29:25,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:25,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583319681] [2020-11-30 00:29:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:25,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583319681] [2020-11-30 00:29:25,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:25,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:25,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803781632] [2020-11-30 00:29:25,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:25,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:25,375 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-11-30 00:29:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:25,391 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-11-30 00:29:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:25,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 00:29:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:25,397 INFO L225 Difference]: With dead ends: 94 [2020-11-30 00:29:25,397 INFO L226 Difference]: Without dead ends: 43 [2020-11-30 00:29:25,399 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 [2020-11-30 00:29:25,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-30 00:29:25,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-30 00:29:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:29:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-11-30 00:29:25,415 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-11-30 00:29:25,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:25,415 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-11-30 00:29:25,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-11-30 00:29:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:29:25,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:25,418 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] [2020-11-30 00:29:25,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:29:25,420 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:25,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:25,424 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2020-11-30 00:29:25,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:25,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609818170] [2020-11-30 00:29:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:25,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609818170] [2020-11-30 00:29:25,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:25,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:29:25,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591662554] [2020-11-30 00:29:25,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:29:25,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:25,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:29:25,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:29:25,596 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2020-11-30 00:29:25,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:25,831 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2020-11-30 00:29:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:29:25,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-11-30 00:29:25,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:25,833 INFO L225 Difference]: With dead ends: 141 [2020-11-30 00:29:25,833 INFO L226 Difference]: Without dead ends: 105 [2020-11-30 00:29:25,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:29:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-11-30 00:29:25,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2020-11-30 00:29:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-30 00:29:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-11-30 00:29:25,843 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-11-30 00:29:25,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:25,843 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-11-30 00:29:25,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:29:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-11-30 00:29:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:29:25,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:25,845 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] [2020-11-30 00:29:25,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:29:25,848 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:25,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2020-11-30 00:29:25,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:25,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373842882] [2020-11-30 00:29:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:25,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373842882] [2020-11-30 00:29:25,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:25,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:25,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905324181] [2020-11-30 00:29:25,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:25,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:25,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:25,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:25,945 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-11-30 00:29:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:25,987 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-11-30 00:29:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:25,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-30 00:29:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:25,989 INFO L225 Difference]: With dead ends: 147 [2020-11-30 00:29:25,989 INFO L226 Difference]: Without dead ends: 89 [2020-11-30 00:29:25,990 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 [2020-11-30 00:29:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-30 00:29:26,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-11-30 00:29:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-30 00:29:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-11-30 00:29:26,005 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-11-30 00:29:26,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:26,005 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-11-30 00:29:26,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-11-30 00:29:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:29:26,006 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,006 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] [2020-11-30 00:29:26,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:29:26,007 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,007 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2020-11-30 00:29:26,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956278580] [2020-11-30 00:29:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956278580] [2020-11-30 00:29:26,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:29:26,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364611540] [2020-11-30 00:29:26,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:29:26,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:29:26,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:29:26,137 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-11-30 00:29:26,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:26,287 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-11-30 00:29:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:29:26,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-30 00:29:26,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:26,289 INFO L225 Difference]: With dead ends: 288 [2020-11-30 00:29:26,292 INFO L226 Difference]: Without dead ends: 208 [2020-11-30 00:29:26,293 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 [2020-11-30 00:29:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-30 00:29:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-11-30 00:29:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-30 00:29:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-11-30 00:29:26,313 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-11-30 00:29:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:26,313 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-11-30 00:29:26,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:29:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-11-30 00:29:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:29:26,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,319 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] [2020-11-30 00:29:26,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:29:26,320 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2020-11-30 00:29:26,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411376542] [2020-11-30 00:29:26,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411376542] [2020-11-30 00:29:26,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:29:26,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050555867] [2020-11-30 00:29:26,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:29:26,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:29:26,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:29:26,402 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-11-30 00:29:26,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:26,465 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-11-30 00:29:26,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:29:26,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 00:29:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:26,467 INFO L225 Difference]: With dead ends: 251 [2020-11-30 00:29:26,467 INFO L226 Difference]: Without dead ends: 173 [2020-11-30 00:29:26,468 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 [2020-11-30 00:29:26,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-30 00:29:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-11-30 00:29:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-11-30 00:29:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-11-30 00:29:26,493 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-11-30 00:29:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:26,494 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-11-30 00:29:26,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:29:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-11-30 00:29:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:29:26,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,495 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] [2020-11-30 00:29:26,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:29:26,496 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,497 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2020-11-30 00:29:26,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117868226] [2020-11-30 00:29:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117868226] [2020-11-30 00:29:26,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:29:26,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404781728] [2020-11-30 00:29:26,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:29:26,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:29:26,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:29:26,552 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-11-30 00:29:26,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:26,591 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-11-30 00:29:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:29:26,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-30 00:29:26,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:26,593 INFO L225 Difference]: With dead ends: 217 [2020-11-30 00:29:26,593 INFO L226 Difference]: Without dead ends: 136 [2020-11-30 00:29:26,595 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 [2020-11-30 00:29:26,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-11-30 00:29:26,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-11-30 00:29:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-30 00:29:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-11-30 00:29:26,616 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-11-30 00:29:26,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:26,618 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-11-30 00:29:26,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:29:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-11-30 00:29:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:29:26,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,621 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] [2020-11-30 00:29:26,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:29:26,621 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2020-11-30 00:29:26,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100349037] [2020-11-30 00:29:26,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100349037] [2020-11-30 00:29:26,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:26,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206626037] [2020-11-30 00:29:26,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:26,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:26,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:26,721 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-11-30 00:29:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:26,759 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-11-30 00:29:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:26,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-30 00:29:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:26,761 INFO L225 Difference]: With dead ends: 222 [2020-11-30 00:29:26,761 INFO L226 Difference]: Without dead ends: 139 [2020-11-30 00:29:26,762 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 [2020-11-30 00:29:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-11-30 00:29:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-11-30 00:29:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-30 00:29:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-11-30 00:29:26,797 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-11-30 00:29:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:26,798 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-11-30 00:29:26,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-11-30 00:29:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:29:26,803 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,804 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] [2020-11-30 00:29:26,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:29:26,805 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2020-11-30 00:29:26,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494018818] [2020-11-30 00:29:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494018818] [2020-11-30 00:29:26,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:29:26,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146274690] [2020-11-30 00:29:26,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:29:26,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:29:26,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:29:26,986 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-11-30 00:29:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:27,380 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-11-30 00:29:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:29:27,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-11-30 00:29:27,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:27,387 INFO L225 Difference]: With dead ends: 628 [2020-11-30 00:29:27,387 INFO L226 Difference]: Without dead ends: 545 [2020-11-30 00:29:27,389 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 [2020-11-30 00:29:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-11-30 00:29:27,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-11-30 00:29:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-30 00:29:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-11-30 00:29:27,434 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-11-30 00:29:27,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:27,435 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-11-30 00:29:27,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:29:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-11-30 00:29:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:29:27,437 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:27,437 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] [2020-11-30 00:29:27,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:29:27,438 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:27,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:27,439 INFO L82 PathProgramCache]: Analyzing trace with hash 548694946, now seen corresponding path program 1 times [2020-11-30 00:29:27,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:27,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843862479] [2020-11-30 00:29:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:27,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843862479] [2020-11-30 00:29:27,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509987101] [2020-11-30 00:29:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/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 [2020-11-30 00:29:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:27,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:29:27,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:29:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:27,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:29:27,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-30 00:29:27,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111362607] [2020-11-30 00:29:27,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:29:27,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:27,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:29:27,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:29:27,787 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-11-30 00:29:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:28,156 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-11-30 00:29:28,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:29:28,157 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-11-30 00:29:28,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:28,158 INFO L225 Difference]: With dead ends: 459 [2020-11-30 00:29:28,158 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:29:28,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:29:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:29:28,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:29:28,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:29:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:29:28,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-30 00:29:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:28,160 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:29:28,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:29:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:29:28,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:29:28,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:29:28,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:29:29,248 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2020-11-30 00:29:29,541 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2020-11-30 00:29:29,748 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-11-30 00:29:30,082 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-11-30 00:29:30,405 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-11-30 00:29:30,760 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2020-11-30 00:29:30,922 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-11-30 00:29:31,360 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-11-30 00:29:31,705 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2020-11-30 00:29:31,989 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 00:29:32,173 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-11-30 00:29:32,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L863-2(lines 863 869) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-11-30 00:29:32,178 INFO L277 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-11-30 00:29:32,178 INFO L270 CegarLoopResult]: At program point L946(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L963-1(line 963) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L963-2(line 963) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:29:32,179 INFO L270 CegarLoopResult]: At program point L881(lines 876 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L601(lines 597 619) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse3 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L601-1(lines 597 619) the Hoare annotation is: false [2020-11-30 00:29:32,180 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L601-2(lines 597 619) the Hoare annotation is: false [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-11-30 00:29:32,180 INFO L274 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-11-30 00:29:32,180 INFO L270 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-11-30 00:29:32,181 INFO L270 CegarLoopResult]: At program point L868(lines 859 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~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 .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-11-30 00:29:32,181 INFO L270 CegarLoopResult]: At program point L868-1(lines 859 872) the Hoare annotation is: false [2020-11-30 00:29:32,181 INFO L270 CegarLoopResult]: At program point L868-2(lines 859 872) the Hoare annotation is: false [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2020-11-30 00:29:32,181 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2020-11-30 00:29:32,182 INFO L274 CegarLoopResult]: For program point L555(lines 555 568) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L274 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L274 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L274 CegarLoopResult]: For program point L902(lines 902 919) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L270 CegarLoopResult]: At program point L902-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse1 .cse2))) [2020-11-30 00:29:32,183 INFO L274 CegarLoopResult]: For program point L902-2(lines 902 919) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L270 CegarLoopResult]: At program point L902-3(lines 1 966) the Hoare annotation is: false [2020-11-30 00:29:32,183 INFO L274 CegarLoopResult]: For program point L902-4(lines 902 919) no Hoare annotation was computed. [2020-11-30 00:29:32,183 INFO L270 CegarLoopResult]: At program point L902-5(lines 1 966) the Hoare annotation is: false [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 .cse3 (<= 2 ~waterLevel~0) .cse0 .cse4 .cse1) (and (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704-3(lines 699 707) the Hoare annotation is: false [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704-4(lines 699 707) the Hoare annotation is: false [2020-11-30 00:29:32,184 INFO L270 CegarLoopResult]: At program point L704-5(lines 699 707) the Hoare annotation is: false [2020-11-30 00:29:32,184 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-30 00:29:32,184 INFO L274 CegarLoopResult]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2020-11-30 00:29:32,185 INFO L270 CegarLoopResult]: At program point L573(lines 524 574) the Hoare annotation is: false [2020-11-30 00:29:32,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:29:32,185 INFO L270 CegarLoopResult]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:29:32,185 INFO L270 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2))) [2020-11-30 00:29:32,185 INFO L270 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2020-11-30 00:29:32,185 INFO L270 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-11-30 00:29:32,186 INFO L277 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2020-11-30 00:29:32,186 INFO L270 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2020-11-30 00:29:32,186 INFO L274 CegarLoopResult]: For program point L526(lines 525 572) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L906-4(lines 906 916) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L907(lines 907 913) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L907-4(lines 907 913) no Hoare annotation was computed. [2020-11-30 00:29:32,187 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L891(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L891-1(lines 601 607) the Hoare annotation is: false [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L891-2(lines 601 607) the Hoare annotation is: false [2020-11-30 00:29:32,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (not (= 0 ~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) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2020-11-30 00:29:32,188 INFO L270 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2020-11-30 00:29:32,189 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-11-30 00:29:32,189 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2020-11-30 00:29:32,189 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-11-30 00:29:32,189 INFO L270 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-11-30 00:29:32,189 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-30 00:29:32,189 INFO L270 CegarLoopResult]: At program point L695(lines 688 698) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-30 00:29:32,190 INFO L270 CegarLoopResult]: At program point L695-1(lines 688 698) the Hoare annotation is: false [2020-11-30 00:29:32,190 INFO L270 CegarLoopResult]: At program point L695-2(lines 688 698) the Hoare annotation is: false [2020-11-30 00:29:32,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:29:32 BoogieIcfgContainer [2020-11-30 00:29:32,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:29:32,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:29:32,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:29:32,251 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:29:32,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:24" (3/4) ... [2020-11-30 00:29:32,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:29:32,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:29:32,286 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:29:32,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:29:32,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:29:32,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:29:32,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:29:32,291 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:29:32,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 [2020-11-30 00:29:32,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-11-30 00:29:32,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-11-30 00:29:32,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-11-30 00:29:32,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-11-30 00:29:32,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-11-30 00:29:32,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-11-30 00:29:32,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-11-30 00:29:32,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:29:32,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8db43a6-140c-4487-9b14-417513ddeca6/bin/uautomizer/witness.graphml [2020-11-30 00:29:32,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:29:32,432 INFO L168 Benchmark]: Toolchain (without parser) took 10149.15 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 79.9 MB in the beginning and 48.3 MB in the end (delta: 31.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,432 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:29:32,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.29 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 78.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 74.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,433 INFO L168 Benchmark]: Boogie Preprocessor took 50.44 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 72.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,434 INFO L168 Benchmark]: RCFGBuilder took 1263.54 ms. Allocated memory is still 113.2 MB. Free memory was 72.0 MB in the beginning and 66.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,434 INFO L168 Benchmark]: TraceAbstraction took 7788.36 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 65.8 MB in the beginning and 57.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,435 INFO L168 Benchmark]: Witness Printer took 179.84 ms. Allocated memory is still 172.0 MB. Free memory was 57.7 MB in the beginning and 48.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:32,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 755.29 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 78.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 74.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.44 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 72.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1263.54 ms. Allocated memory is still 113.2 MB. Free memory was 72.0 MB in the beginning and 66.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7788.36 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 65.8 MB in the beginning and 57.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. * Witness Printer took 179.84 ms. Allocated memory is still 172.0 MB. Free memory was 57.7 MB in the beginning and 48.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 859]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1184 SDslu, 1542 SDs, 0 SdLazy, 222 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred 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, 616 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 759 HoareAnnotationTreeSize, 45 FomulaSimplifications, 21455 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 47608 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 27643 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...