./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/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 5eed478f48f8cf940c15b323900b8556a7a21390 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:59:41,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:59:41,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:59:41,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:59:41,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:59:41,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:59:41,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:59:41,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:59:41,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:59:41,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:59:41,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:59:41,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:59:41,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:59:41,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:59:41,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:59:41,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:59:41,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:59:41,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:59:41,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:59:41,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:59:41,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:59:41,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:59:41,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:59:41,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:59:41,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:59:41,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:59:41,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:59:41,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:59:41,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:59:41,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:59:41,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:59:41,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:59:41,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:59:41,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:59:41,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:59:41,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:59:41,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:59:41,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:59:41,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:59:41,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:59:41,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:59:41,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:59:41,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:59:41,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:59:41,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:59:41,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:59:41,846 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:59:41,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:59:41,846 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:59:41,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:59:41,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:59:41,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:59:41,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:59:41,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:59:41,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:59:41,848 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:59:41,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:59:41,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:59:41,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:59:41,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:59:41,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:59:41,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:59:41,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:59:41,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:59:41,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:59:41,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:59:41,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:59:41,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:59:41,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:59:41,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:59:41,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:59:41,853 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_bd256831-56a6-4441-be98-482f0ef4ec0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2020-11-29 23:59:42,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:59:42,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:59:42,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:59:42,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:59:42,175 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:59:42,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 23:59:42,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/data/131d4fa05/51e1baf84b3347fbb04015017aaeba33/FLAG40c5b1358 [2020-11-29 23:59:42,942 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:59:42,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 23:59:42,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/data/131d4fa05/51e1baf84b3347fbb04015017aaeba33/FLAG40c5b1358 [2020-11-29 23:59:43,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/data/131d4fa05/51e1baf84b3347fbb04015017aaeba33 [2020-11-29 23:59:43,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:59:43,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:59:43,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:43,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:59:43,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:59:43,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a468ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43, skipping insertion in model container [2020-11-29 23:59:43,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:59:43,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:59:43,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:59:43,698 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:59:43,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:59:43,839 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:59:43,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43 WrapperNode [2020-11-29 23:59:43,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:43,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:59:43,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:59:43,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:59:43,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:59:43,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:59:43,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:59:43,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:59:43,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:43,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:44,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:44,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:44,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... [2020-11-29 23:59:44,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:59:44,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:59:44,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:59:44,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:59:44,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/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 [2020-11-29 23:59:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:59:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:59:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:59:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:59:45,410 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:59:45,410 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-29 23:59:45,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:45 BoogieIcfgContainer [2020-11-29 23:59:45,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:59:45,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:59:45,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:59:45,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:59:45,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:59:43" (1/3) ... [2020-11-29 23:59:45,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5d4375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:59:45, skipping insertion in model container [2020-11-29 23:59:45,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:43" (2/3) ... [2020-11-29 23:59:45,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5d4375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:59:45, skipping insertion in model container [2020-11-29 23:59:45,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:45" (3/3) ... [2020-11-29 23:59:45,425 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-11-29 23:59:45,435 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:59:45,439 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:59:45,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:59:45,486 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:59:45,487 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:59:45,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:59:45,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:59:45,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:59:45,487 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:59:45,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:59:45,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:59:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-29 23:59:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:59:45,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:45,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:59:45,516 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:45,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:45,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1862271915, now seen corresponding path program 1 times [2020-11-29 23:59:45,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:45,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913616621] [2020-11-29 23:59:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:45,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913616621] [2020-11-29 23:59:45,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:45,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:59:45,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907404827] [2020-11-29 23:59:45,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:59:45,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:45,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:59:45,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:59:45,859 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-29 23:59:45,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:45,892 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-29 23:59:45,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:59:45,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 23:59:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:45,907 INFO L225 Difference]: With dead ends: 147 [2020-11-29 23:59:45,907 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 23:59:45,911 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 [2020-11-29 23:59:45,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 23:59:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 23:59:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 23:59:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-29 23:59:45,961 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-11-29 23:59:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:45,961 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-29 23:59:45,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:59:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-29 23:59:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:59:45,963 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:45,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:59:45,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:59:45,964 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:45,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:45,965 INFO L82 PathProgramCache]: Analyzing trace with hash 815515018, now seen corresponding path program 1 times [2020-11-29 23:59:45,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:45,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432157607] [2020-11-29 23:59:45,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:46,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432157607] [2020-11-29 23:59:46,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:46,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:59:46,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902290457] [2020-11-29 23:59:46,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:59:46,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:46,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:59:46,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:59:46,098 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-11-29 23:59:46,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:46,124 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-29 23:59:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:59:46,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 23:59:46,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:46,126 INFO L225 Difference]: With dead ends: 71 [2020-11-29 23:59:46,126 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:59:46,127 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 [2020-11-29 23:59:46,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:59:46,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:59:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:59:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-29 23:59:46,139 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-29 23:59:46,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:46,140 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-29 23:59:46,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:59:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-29 23:59:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:59:46,142 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:46,142 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] [2020-11-29 23:59:46,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:59:46,144 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:46,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-11-29 23:59:46,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:46,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034316288] [2020-11-29 23:59:46,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:46,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034316288] [2020-11-29 23:59:46,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:46,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:59:46,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185530452] [2020-11-29 23:59:46,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:59:46,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:46,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:59:46,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:59:46,336 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-11-29 23:59:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:46,412 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-29 23:59:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:59:46,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 23:59:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:46,418 INFO L225 Difference]: With dead ends: 60 [2020-11-29 23:59:46,418 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:59:46,419 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 [2020-11-29 23:59:46,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:59:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:59:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:59:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-29 23:59:46,431 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-11-29 23:59:46,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:46,432 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-29 23:59:46,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:59:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-29 23:59:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:59:46,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:46,433 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] [2020-11-29 23:59:46,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:59:46,434 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:46,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:46,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-11-29 23:59:46,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:46,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900918525] [2020-11-29 23:59:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:46,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900918525] [2020-11-29 23:59:46,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:46,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 23:59:46,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199068901] [2020-11-29 23:59:46,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:59:46,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:46,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:59:46,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:59:46,645 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2020-11-29 23:59:47,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:47,187 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2020-11-29 23:59:47,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 23:59:47,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-29 23:59:47,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:47,190 INFO L225 Difference]: With dead ends: 196 [2020-11-29 23:59:47,190 INFO L226 Difference]: Without dead ends: 169 [2020-11-29 23:59:47,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-29 23:59:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-11-29 23:59:47,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-11-29 23:59:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-29 23:59:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-11-29 23:59:47,225 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-11-29 23:59:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:47,226 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-11-29 23:59:47,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:59:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-11-29 23:59:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:59:47,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:47,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:59:47,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:59:47,230 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:47,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2020-11-29 23:59:47,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:47,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458701775] [2020-11-29 23:59:47,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:47,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458701775] [2020-11-29 23:59:47,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:47,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:59:47,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063863193] [2020-11-29 23:59:47,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:59:47,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:47,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:59:47,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:59:47,352 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-11-29 23:59:47,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:47,377 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2020-11-29 23:59:47,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:59:47,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 23:59:47,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:47,379 INFO L225 Difference]: With dead ends: 132 [2020-11-29 23:59:47,379 INFO L226 Difference]: Without dead ends: 60 [2020-11-29 23:59:47,380 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 [2020-11-29 23:59:47,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-29 23:59:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-29 23:59:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-29 23:59:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-11-29 23:59:47,406 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-11-29 23:59:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:47,407 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-11-29 23:59:47,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:59:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-29 23:59:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:59:47,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:59:47,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:59:47,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:59:47,410 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:59:47,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:47,410 INFO L82 PathProgramCache]: Analyzing trace with hash 561717222, now seen corresponding path program 1 times [2020-11-29 23:59:47,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:47,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143157678] [2020-11-29 23:59:47,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:47,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143157678] [2020-11-29 23:59:47,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395979178] [2020-11-29 23:59:47,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/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 [2020-11-29 23:59:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:47,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:59:47,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:59:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:47,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:59:47,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-29 23:59:47,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727678444] [2020-11-29 23:59:47,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:59:47,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:47,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:59:47,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:59:47,842 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-11-29 23:59:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:47,952 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-11-29 23:59:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:59:47,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-11-29 23:59:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:59:47,954 INFO L225 Difference]: With dead ends: 77 [2020-11-29 23:59:47,954 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:59:47,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:59:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:59:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:59:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:59:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:59:47,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-29 23:59:47,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:59:47,956 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:59:47,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:59:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:59:47,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:59:48,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 23:59:48,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:59:48,547 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-11-29 23:59:48,677 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-11-29 23:59:48,810 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-11-29 23:59:48,979 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-11-29 23:59:49,202 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-11-29 23:59:49,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,319 INFO L270 CegarLoopResult]: At program point L432(lines 1 907) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-29 23:59:49,319 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,319 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,319 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:59:49,320 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-29 23:59:49,320 INFO L274 CegarLoopResult]: For program point L368(lines 368 375) no Hoare annotation was computed. [2020-11-29 23:59:49,320 INFO L277 CegarLoopResult]: At program point L368-1(lines 368 375) the Hoare annotation is: true [2020-11-29 23:59:49,320 INFO L270 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,320 INFO L270 CegarLoopResult]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2020-11-29 23:59:49,321 INFO L270 CegarLoopResult]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2020-11-29 23:59:49,321 INFO L274 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-11-29 23:59:49,321 INFO L274 CegarLoopResult]: For program point L451-3(lines 451 455) no Hoare annotation was computed. [2020-11-29 23:59:49,321 INFO L274 CegarLoopResult]: For program point L451-6(lines 451 455) no Hoare annotation was computed. [2020-11-29 23:59:49,321 INFO L270 CegarLoopResult]: At program point L270(lines 255 273) the Hoare annotation is: false [2020-11-29 23:59:49,321 INFO L270 CegarLoopResult]: At program point L270-1(lines 255 273) the Hoare annotation is: false [2020-11-29 23:59:49,321 INFO L270 CegarLoopResult]: At program point L270-2(lines 255 273) the Hoare annotation is: false [2020-11-29 23:59:49,322 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-29 23:59:49,322 INFO L270 CegarLoopResult]: At program point L520(lines 515 523) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse4) (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-11-29 23:59:49,322 INFO L270 CegarLoopResult]: At program point L520-1(lines 515 523) the Hoare annotation is: false [2020-11-29 23:59:49,322 INFO L270 CegarLoopResult]: At program point L520-2(lines 515 523) the Hoare annotation is: false [2020-11-29 23:59:49,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:59:49,322 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point L538-2(line 538) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,323 INFO L270 CegarLoopResult]: At program point L440(lines 435 443) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 23:59:49,323 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-29 23:59:49,324 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,324 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:59:49,324 INFO L270 CegarLoopResult]: At program point L342(lines 338 344) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 23:59:49,324 INFO L274 CegarLoopResult]: For program point L392(lines 392 405) no Hoare annotation was computed. [2020-11-29 23:59:49,325 INFO L270 CegarLoopResult]: At program point L392-1(lines 1 907) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0)) .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,325 INFO L274 CegarLoopResult]: For program point L392-2(lines 392 405) no Hoare annotation was computed. [2020-11-29 23:59:49,325 INFO L270 CegarLoopResult]: At program point L392-3(lines 1 907) the Hoare annotation is: false [2020-11-29 23:59:49,325 INFO L274 CegarLoopResult]: For program point L392-4(lines 392 405) no Hoare annotation was computed. [2020-11-29 23:59:49,325 INFO L270 CegarLoopResult]: At program point L392-5(lines 1 907) the Hoare annotation is: false [2020-11-29 23:59:49,325 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-11-29 23:59:49,325 INFO L270 CegarLoopResult]: At program point L95-2(lines 130 136) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,326 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-11-29 23:59:49,326 INFO L270 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: false [2020-11-29 23:59:49,326 INFO L274 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-11-29 23:59:49,326 INFO L274 CegarLoopResult]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2020-11-29 23:59:49,326 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2020-11-29 23:59:49,326 INFO L277 CegarLoopResult]: At program point L377(lines 358 380) the Hoare annotation is: true [2020-11-29 23:59:49,327 INFO L274 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-11-29 23:59:49,327 INFO L270 CegarLoopResult]: At program point L130(lines 129 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,327 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-11-29 23:59:49,327 INFO L270 CegarLoopResult]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2020-11-29 23:59:49,327 INFO L270 CegarLoopResult]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2020-11-29 23:59:49,327 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L396-2(lines 396 402) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L396-4(lines 396 402) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L264-3(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,328 INFO L274 CegarLoopResult]: For program point L264-5(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,329 INFO L274 CegarLoopResult]: For program point L264-6(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,329 INFO L274 CegarLoopResult]: For program point L264-8(lines 264 268) no Hoare annotation was computed. [2020-11-29 23:59:49,329 INFO L270 CegarLoopResult]: At program point L215(lines 210 218) the Hoare annotation is: false [2020-11-29 23:59:49,329 INFO L270 CegarLoopResult]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2020-11-29 23:59:49,329 INFO L270 CegarLoopResult]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2020-11-29 23:59:49,329 INFO L270 CegarLoopResult]: At program point L529(lines 524 532) the Hoare annotation is: false [2020-11-29 23:59:49,330 INFO L270 CegarLoopResult]: At program point L529-1(lines 524 532) the Hoare annotation is: false [2020-11-29 23:59:49,330 INFO L274 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-11-29 23:59:49,330 INFO L270 CegarLoopResult]: At program point L529-2(lines 524 532) the Hoare annotation is: false [2020-11-29 23:59:49,330 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-11-29 23:59:49,330 INFO L274 CegarLoopResult]: For program point L298-1(lines 130 136) no Hoare annotation was computed. [2020-11-29 23:59:49,330 INFO L274 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-11-29 23:59:49,330 INFO L274 CegarLoopResult]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2020-11-29 23:59:49,331 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-11-29 23:59:49,331 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-29 23:59:49,331 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3))) [2020-11-29 23:59:49,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:59:49 BoogieIcfgContainer [2020-11-29 23:59:49,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:59:49,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:59:49,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:59:49,388 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:59:49,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:45" (3/4) ... [2020-11-29 23:59:49,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:59:49,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 23:59:49,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:59:49,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 23:59:49,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:59:49,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:59:49,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:59:49,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:59:49,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-29 23:59:49,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && tmp == waterLevel) && \result == 1 [2020-11-29 23:59:49,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && !(\result == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,462 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) [2020-11-29 23:59:49,465 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((tmp == 1 && !(\result == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:59:49,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bd256831-56a6-4441-be98-482f0ef4ec0f/bin/uautomizer/witness.graphml [2020-11-29 23:59:49,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:59:49,556 INFO L168 Benchmark]: Toolchain (without parser) took 6344.20 ms. Allocated memory was 92.3 MB in the beginning and 167.8 MB in the end (delta: 75.5 MB). Free memory was 62.7 MB in the beginning and 50.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 86.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,557 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:59:49,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.85 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 62.4 MB in the beginning and 94.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.46 ms. Allocated memory is still 127.9 MB. Free memory was 94.3 MB in the beginning and 91.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,558 INFO L168 Benchmark]: Boogie Preprocessor took 100.62 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 88.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,558 INFO L168 Benchmark]: RCFGBuilder took 1370.57 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 94.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,559 INFO L168 Benchmark]: TraceAbstraction took 3969.26 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 93.4 MB in the beginning and 57.2 MB in the end (delta: 36.2 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,559 INFO L168 Benchmark]: Witness Printer took 170.06 ms. Allocated memory is still 167.8 MB. Free memory was 57.2 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:49,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.85 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 62.4 MB in the beginning and 94.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.46 ms. Allocated memory is still 127.9 MB. Free memory was 94.3 MB in the beginning and 91.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.62 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 88.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1370.57 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 94.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3969.26 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 93.4 MB in the beginning and 57.2 MB in the end (delta: 36.2 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. * Witness Printer took 170.06 ms. Allocated memory is still 167.8 MB. Free memory was 57.2 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 435]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && tmp == waterLevel) && \result == 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((tmp == 1 && !(\result == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && !(\result == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 513 SDslu, 369 SDs, 0 SdLazy, 102 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 366 HoareAnnotationTreeSize, 31 FomulaSimplifications, 448 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 109 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 10707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...