./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/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 5b9eca3afb7c823b2d668da4db479190de6a16d4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:01:30,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:01:30,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:01:31,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:01:31,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:01:31,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:01:31,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:01:31,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:01:31,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:01:31,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:01:31,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:01:31,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:01:31,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:01:31,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:01:31,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:01:31,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:01:31,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:01:31,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:01:31,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:01:31,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:01:31,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:01:31,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:01:31,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:01:31,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:01:31,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:01:31,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:01:31,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:01:31,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:01:31,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:01:31,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:01:31,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:01:31,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:01:31,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:01:31,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:01:31,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:01:31,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:01:31,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:01:31,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:01:31,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:01:31,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:01:31,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:01:31,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:01:31,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:01:31,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:01:31,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:01:31,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:01:31,207 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:01:31,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:01:31,207 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:01:31,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:01:31,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:01:31,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:01:31,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:01:31,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:01:31,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:01:31,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:01:31,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:01:31,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:01:31,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:01:31,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:01:31,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:01:31,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:01:31,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:01:31,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:01:31,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:01:31,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:01:31,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:01:31,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:01:31,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:01:31,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:01:31,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:01:31,215 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_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9eca3afb7c823b2d668da4db479190de6a16d4 [2020-12-01 16:01:31,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:01:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:01:31,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:01:31,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:01:31,685 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:01:31,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-12-01 16:01:31,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/data/609c62d53/3695ad4e8da8454f92578cf204a700fc/FLAG0649d0f08 [2020-12-01 16:01:32,421 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:01:32,422 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-12-01 16:01:32,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/data/609c62d53/3695ad4e8da8454f92578cf204a700fc/FLAG0649d0f08 [2020-12-01 16:01:32,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/data/609c62d53/3695ad4e8da8454f92578cf204a700fc [2020-12-01 16:01:32,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:01:32,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:01:32,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:01:32,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:01:32,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:01:32,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:01:32" (1/1) ... [2020-12-01 16:01:32,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bc6f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:32, skipping insertion in model container [2020-12-01 16:01:32,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:01:32" (1/1) ... [2020-12-01 16:01:32,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:01:32,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:01:33,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:01:33,304 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:01:33,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:01:33,443 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:01:33,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33 WrapperNode [2020-12-01 16:01:33,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:01:33,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:01:33,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:01:33,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:01:33,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:01:33,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:01:33,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:01:33,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:01:33,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... [2020-12-01 16:01:33,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:01:33,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:01:33,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:01:33,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:01:33,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/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 [2020-12-01 16:01:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:01:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:01:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:01:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:01:34,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:01:34,943 INFO L298 CfgBuilder]: Removed 134 assume(true) statements. [2020-12-01 16:01:34,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:34 BoogieIcfgContainer [2020-12-01 16:01:34,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:01:34,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:01:34,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:01:34,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:01:34,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:01:32" (1/3) ... [2020-12-01 16:01:34,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17800394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:01:34, skipping insertion in model container [2020-12-01 16:01:34,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:33" (2/3) ... [2020-12-01 16:01:34,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17800394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:01:34, skipping insertion in model container [2020-12-01 16:01:34,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:34" (3/3) ... [2020-12-01 16:01:34,955 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-12-01 16:01:34,973 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:01:34,978 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 16:01:35,006 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 16:01:35,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:01:35,039 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:01:35,040 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:01:35,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:01:35,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:01:35,041 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:01:35,041 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:01:35,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:01:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-12-01 16:01:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:01:35,070 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:35,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:35,071 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:35,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:35,079 INFO L82 PathProgramCache]: Analyzing trace with hash 861548660, now seen corresponding path program 1 times [2020-12-01 16:01:35,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:35,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67698687] [2020-12-01 16:01:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:35,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67698687] [2020-12-01 16:01:35,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:35,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:01:35,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136380617] [2020-12-01 16:01:35,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 16:01:35,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 16:01:35,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:01:35,466 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2020-12-01 16:01:35,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:35,524 INFO L93 Difference]: Finished difference Result 188 states and 277 transitions. [2020-12-01 16:01:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 16:01:35,526 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-01 16:01:35,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:35,555 INFO L225 Difference]: With dead ends: 188 [2020-12-01 16:01:35,557 INFO L226 Difference]: Without dead ends: 92 [2020-12-01 16:01:35,563 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 [2020-12-01 16:01:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-01 16:01:35,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-12-01 16:01:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-01 16:01:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-12-01 16:01:35,615 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-12-01 16:01:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:35,616 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-12-01 16:01:35,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 16:01:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-12-01 16:01:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:01:35,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:35,618 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] [2020-12-01 16:01:35,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:01:35,619 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:35,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:35,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1627399083, now seen corresponding path program 1 times [2020-12-01 16:01:35,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:35,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961471917] [2020-12-01 16:01:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:35,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961471917] [2020-12-01 16:01:35,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:35,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:35,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647291831] [2020-12-01 16:01:35,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:35,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:35,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:35,787 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-12-01 16:01:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:35,809 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-12-01 16:01:35,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:35,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-01 16:01:35,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:35,816 INFO L225 Difference]: With dead ends: 92 [2020-12-01 16:01:35,816 INFO L226 Difference]: Without dead ends: 41 [2020-12-01 16:01:35,818 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 [2020-12-01 16:01:35,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-01 16:01:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-01 16:01:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-01 16:01:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-12-01 16:01:35,844 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-12-01 16:01:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:35,844 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-12-01 16:01:35,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-12-01 16:01:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:01:35,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:35,846 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] [2020-12-01 16:01:35,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:01:35,847 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:35,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:35,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2020-12-01 16:01:35,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:35,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552021766] [2020-12-01 16:01:35,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:36,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552021766] [2020-12-01 16:01:36,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:36,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:01:36,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163533124] [2020-12-01 16:01:36,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:36,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:36,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:36,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:36,011 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-12-01 16:01:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:36,031 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-12-01 16:01:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:36,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-01 16:01:36,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:36,036 INFO L225 Difference]: With dead ends: 75 [2020-12-01 16:01:36,037 INFO L226 Difference]: Without dead ends: 41 [2020-12-01 16:01:36,038 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 [2020-12-01 16:01:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-01 16:01:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-01 16:01:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-01 16:01:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-12-01 16:01:36,052 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-12-01 16:01:36,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:36,054 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-12-01 16:01:36,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-12-01 16:01:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:01:36,057 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:36,058 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] [2020-12-01 16:01:36,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:01:36,059 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:36,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2020-12-01 16:01:36,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:36,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653179721] [2020-12-01 16:01:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:36,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653179721] [2020-12-01 16:01:36,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:36,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:01:36,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49176587] [2020-12-01 16:01:36,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:36,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:36,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:36,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:36,242 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-12-01 16:01:36,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:36,309 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-12-01 16:01:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:36,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-01 16:01:36,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:36,312 INFO L225 Difference]: With dead ends: 99 [2020-12-01 16:01:36,312 INFO L226 Difference]: Without dead ends: 65 [2020-12-01 16:01:36,313 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 [2020-12-01 16:01:36,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-01 16:01:36,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-12-01 16:01:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-01 16:01:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-12-01 16:01:36,322 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-12-01 16:01:36,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:36,323 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-12-01 16:01:36,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-12-01 16:01:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:01:36,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:36,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:36,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 16:01:36,327 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:36,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:36,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2020-12-01 16:01:36,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:36,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773711155] [2020-12-01 16:01:36,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:36,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773711155] [2020-12-01 16:01:36,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:36,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:01:36,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283431885] [2020-12-01 16:01:36,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:01:36,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:36,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:01:36,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:36,447 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-12-01 16:01:36,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:36,657 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-12-01 16:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-01 16:01:36,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-01 16:01:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:36,666 INFO L225 Difference]: With dead ends: 216 [2020-12-01 16:01:36,669 INFO L226 Difference]: Without dead ends: 160 [2020-12-01 16:01:36,671 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 [2020-12-01 16:01:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-01 16:01:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-12-01 16:01:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-01 16:01:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-12-01 16:01:36,691 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-12-01 16:01:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:36,691 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-12-01 16:01:36,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:01:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-12-01 16:01:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:01:36,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:36,693 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] [2020-12-01 16:01:36,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 16:01:36,694 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2020-12-01 16:01:36,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:36,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917353078] [2020-12-01 16:01:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:36,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917353078] [2020-12-01 16:01:36,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:36,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 16:01:36,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574678167] [2020-12-01 16:01:36,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:01:36,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:36,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:01:36,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:36,816 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-12-01 16:01:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:36,875 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-12-01 16:01:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 16:01:36,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-01 16:01:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:36,878 INFO L225 Difference]: With dead ends: 161 [2020-12-01 16:01:36,878 INFO L226 Difference]: Without dead ends: 106 [2020-12-01 16:01:36,879 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 [2020-12-01 16:01:36,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-01 16:01:36,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-12-01 16:01:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-01 16:01:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-12-01 16:01:36,895 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-12-01 16:01:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:36,896 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-12-01 16:01:36,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:01:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-12-01 16:01:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:01:36,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:36,898 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] [2020-12-01 16:01:36,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 16:01:36,898 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:36,899 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2020-12-01 16:01:36,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:36,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577359515] [2020-12-01 16:01:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:37,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577359515] [2020-12-01 16:01:37,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:37,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 16:01:37,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891020666] [2020-12-01 16:01:37,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:01:37,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:37,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:01:37,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:37,026 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2020-12-01 16:01:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:37,101 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2020-12-01 16:01:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 16:01:37,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-01 16:01:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:37,103 INFO L225 Difference]: With dead ends: 170 [2020-12-01 16:01:37,103 INFO L226 Difference]: Without dead ends: 112 [2020-12-01 16:01:37,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:01:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-01 16:01:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2020-12-01 16:01:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-01 16:01:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-12-01 16:01:37,132 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-12-01 16:01:37,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:37,134 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-12-01 16:01:37,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:01:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-12-01 16:01:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:01:37,141 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:37,141 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] [2020-12-01 16:01:37,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 16:01:37,142 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:37,143 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2020-12-01 16:01:37,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:37,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040410172] [2020-12-01 16:01:37,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:37,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040410172] [2020-12-01 16:01:37,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:37,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:01:37,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597865275] [2020-12-01 16:01:37,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:37,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:37,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:37,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:37,258 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-12-01 16:01:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:37,289 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-12-01 16:01:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:37,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-01 16:01:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:37,291 INFO L225 Difference]: With dead ends: 154 [2020-12-01 16:01:37,291 INFO L226 Difference]: Without dead ends: 94 [2020-12-01 16:01:37,293 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 [2020-12-01 16:01:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-01 16:01:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-01 16:01:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-01 16:01:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-12-01 16:01:37,322 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-12-01 16:01:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:37,324 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-12-01 16:01:37,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-12-01 16:01:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:01:37,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:37,332 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] [2020-12-01 16:01:37,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 16:01:37,333 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:37,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2020-12-01 16:01:37,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:37,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683714383] [2020-12-01 16:01:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:37,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683714383] [2020-12-01 16:01:37,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:37,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 16:01:37,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828120326] [2020-12-01 16:01:37,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-01 16:01:37,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-01 16:01:37,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:01:37,524 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2020-12-01 16:01:37,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:37,955 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2020-12-01 16:01:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 16:01:37,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-01 16:01:37,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:37,959 INFO L225 Difference]: With dead ends: 432 [2020-12-01 16:01:37,960 INFO L226 Difference]: Without dead ends: 372 [2020-12-01 16:01:37,962 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 [2020-12-01 16:01:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-12-01 16:01:38,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2020-12-01 16:01:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-01 16:01:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2020-12-01 16:01:38,005 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2020-12-01 16:01:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:38,005 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2020-12-01 16:01:38,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-01 16:01:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2020-12-01 16:01:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:01:38,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:38,008 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] [2020-12-01 16:01:38,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 16:01:38,009 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:38,009 INFO L82 PathProgramCache]: Analyzing trace with hash 365750722, now seen corresponding path program 1 times [2020-12-01 16:01:38,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:38,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766886778] [2020-12-01 16:01:38,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:38,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766886778] [2020-12-01 16:01:38,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367172608] [2020-12-01 16:01:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/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 [2020-12-01 16:01:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:38,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:01:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:01:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:38,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 16:01:38,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-01 16:01:38,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906148154] [2020-12-01 16:01:38,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 16:01:38,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:38,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 16:01:38,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:01:38,606 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2020-12-01 16:01:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:38,788 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2020-12-01 16:01:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:01:38,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-01 16:01:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:38,790 INFO L225 Difference]: With dead ends: 288 [2020-12-01 16:01:38,790 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 16:01:38,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-01 16:01:38,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 16:01:38,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 16:01:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 16:01:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 16:01:38,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-01 16:01:38,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:38,793 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:01:38,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 16:01:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:01:38,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:01:39,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 16:01:39,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 16:01:39,596 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-12-01 16:01:39,811 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-01 16:01:39,982 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 16:01:40,251 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-01 16:01:40,397 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-01 16:01:40,561 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-01 16:01:40,675 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-01 16:01:40,896 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-01 16:01:40,997 INFO L258 CegarLoopResult]: At program point L316(lines 316 322) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-12-01 16:01:40,997 INFO L262 CegarLoopResult]: For program point L283(lines 283 290) no Hoare annotation was computed. [2020-12-01 16:01:40,997 INFO L258 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: false [2020-12-01 16:01:40,998 INFO L258 CegarLoopResult]: At program point L316-2(lines 316 322) the Hoare annotation is: false [2020-12-01 16:01:40,998 INFO L265 CegarLoopResult]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2020-12-01 16:01:40,998 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:01:40,998 INFO L262 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-12-01 16:01:40,999 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 16:01:40,999 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 16:01:40,999 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 16:01:40,999 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 16:01:40,999 INFO L262 CegarLoopResult]: For program point L483(lines 482 527) no Hoare annotation was computed. [2020-12-01 16:01:41,000 INFO L258 CegarLoopResult]: At program point L467(lines 452 470) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-12-01 16:01:41,000 INFO L258 CegarLoopResult]: At program point L467-1(lines 452 470) the Hoare annotation is: false [2020-12-01 16:01:41,000 INFO L258 CegarLoopResult]: At program point L467-2(lines 452 470) the Hoare annotation is: false [2020-12-01 16:01:41,000 INFO L262 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-12-01 16:01:41,001 INFO L262 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-01 16:01:41,002 INFO L258 CegarLoopResult]: At program point L72-1(lines 1 945) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse9 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3))) [2020-12-01 16:01:41,002 INFO L262 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-12-01 16:01:41,002 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-01 16:01:41,002 INFO L258 CegarLoopResult]: At program point L72-3(lines 1 945) the Hoare annotation is: false [2020-12-01 16:01:41,003 INFO L262 CegarLoopResult]: For program point L518-2(lines 512 523) no Hoare annotation was computed. [2020-12-01 16:01:41,003 INFO L262 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-01 16:01:41,003 INFO L258 CegarLoopResult]: At program point L72-5(lines 1 945) the Hoare annotation is: false [2020-12-01 16:01:41,003 INFO L258 CegarLoopResult]: At program point L188(lines 179 192) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-12-01 16:01:41,004 INFO L258 CegarLoopResult]: At program point L188-1(lines 179 192) the Hoare annotation is: false [2020-12-01 16:01:41,004 INFO L258 CegarLoopResult]: At program point L188-2(lines 179 192) the Hoare annotation is: false [2020-12-01 16:01:41,004 INFO L262 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-12-01 16:01:41,005 INFO L258 CegarLoopResult]: At program point L502-1(lines 502 508) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-01 16:01:41,005 INFO L258 CegarLoopResult]: At program point L403(lines 396 406) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-01 16:01:41,005 INFO L258 CegarLoopResult]: At program point L403-1(lines 396 406) the Hoare annotation is: false [2020-12-01 16:01:41,005 INFO L258 CegarLoopResult]: At program point L403-2(lines 396 406) the Hoare annotation is: false [2020-12-01 16:01:41,006 INFO L262 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-12-01 16:01:41,006 INFO L262 CegarLoopResult]: For program point L106-3(lines 106 110) no Hoare annotation was computed. [2020-12-01 16:01:41,006 INFO L262 CegarLoopResult]: For program point L106-6(lines 106 110) no Hoare annotation was computed. [2020-12-01 16:01:41,006 INFO L258 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:01:41,006 INFO L258 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-12-01 16:01:41,007 INFO L258 CegarLoopResult]: At program point L933(lines 928 936) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:01:41,007 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 16:01:41,007 INFO L262 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-12-01 16:01:41,012 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:01:41,012 INFO L258 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2020-12-01 16:01:41,013 INFO L258 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: false [2020-12-01 16:01:41,013 INFO L258 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-12-01 16:01:41,013 INFO L262 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-01 16:01:41,014 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-01 16:01:41,014 INFO L262 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-01 16:01:41,014 INFO L262 CegarLoopResult]: For program point L341(lines 341 358) no Hoare annotation was computed. [2020-12-01 16:01:41,014 INFO L262 CegarLoopResult]: For program point L341-1(lines 341 358) no Hoare annotation was computed. [2020-12-01 16:01:41,015 INFO L262 CegarLoopResult]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2020-12-01 16:01:41,015 INFO L258 CegarLoopResult]: At program point L143(lines 138 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-01 16:01:41,015 INFO L258 CegarLoopResult]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2020-12-01 16:01:41,015 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-01 16:01:41,017 INFO L258 CegarLoopResult]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2020-12-01 16:01:41,017 INFO L262 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-01 16:01:41,017 INFO L262 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-01 16:01:41,018 INFO L265 CegarLoopResult]: At program point L292(lines 273 295) the Hoare annotation is: true [2020-12-01 16:01:41,018 INFO L258 CegarLoopResult]: At program point L61(lines 309 315) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1))) [2020-12-01 16:01:41,019 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 16:01:41,019 INFO L258 CegarLoopResult]: At program point L61-1(lines 309 315) the Hoare annotation is: false [2020-12-01 16:01:41,019 INFO L258 CegarLoopResult]: At program point L61-2(lines 309 315) the Hoare annotation is: false [2020-12-01 16:01:41,019 INFO L258 CegarLoopResult]: At program point L309(lines 305 327) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2020-12-01 16:01:41,019 INFO L258 CegarLoopResult]: At program point L309-1(lines 305 327) the Hoare annotation is: false [2020-12-01 16:01:41,020 INFO L258 CegarLoopResult]: At program point L309-2(lines 305 327) the Hoare annotation is: false [2020-12-01 16:01:41,020 INFO L262 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-12-01 16:01:41,020 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2020-12-01 16:01:41,020 INFO L262 CegarLoopResult]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-12-01 16:01:41,020 INFO L258 CegarLoopResult]: At program point L492-1(lines 492 498) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L130(lines 130 134) no Hoare annotation was computed. [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L345(lines 345 353) no Hoare annotation was computed. [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L345-1(lines 345 353) no Hoare annotation was computed. [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L378-2(lines 378 384) no Hoare annotation was computed. [2020-12-01 16:01:41,021 INFO L262 CegarLoopResult]: For program point L345-2(lines 345 353) no Hoare annotation was computed. [2020-12-01 16:01:41,022 INFO L262 CegarLoopResult]: For program point L378-4(lines 378 384) no Hoare annotation was computed. [2020-12-01 16:01:41,022 INFO L262 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,022 INFO L262 CegarLoopResult]: For program point L461-2(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,022 INFO L262 CegarLoopResult]: For program point L461-3(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,022 INFO L262 CegarLoopResult]: For program point L461-5(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,024 INFO L262 CegarLoopResult]: For program point L461-6(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,026 INFO L262 CegarLoopResult]: For program point L461-8(lines 461 465) no Hoare annotation was computed. [2020-12-01 16:01:41,027 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 16:01:41,027 INFO L258 CegarLoopResult]: At program point L412(lines 407 415) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse7 .cse2 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse6 .cse7 .cse2))) [2020-12-01 16:01:41,027 INFO L258 CegarLoopResult]: At program point L412-1(lines 407 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2020-12-01 16:01:41,027 INFO L258 CegarLoopResult]: At program point L412-2(lines 407 415) the Hoare annotation is: false [2020-12-01 16:01:41,028 INFO L258 CegarLoopResult]: At program point L412-3(lines 407 415) the Hoare annotation is: false [2020-12-01 16:01:41,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:01:41,028 INFO L258 CegarLoopResult]: At program point L412-4(lines 407 415) the Hoare annotation is: false [2020-12-01 16:01:41,028 INFO L258 CegarLoopResult]: At program point L412-5(lines 407 415) the Hoare annotation is: false [2020-12-01 16:01:41,028 INFO L258 CegarLoopResult]: At program point L528(lines 481 529) the Hoare annotation is: false [2020-12-01 16:01:41,029 INFO L262 CegarLoopResult]: For program point L512(lines 512 523) no Hoare annotation was computed. [2020-12-01 16:01:41,029 INFO L258 CegarLoopResult]: At program point L925(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:01:41,030 INFO L262 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-12-01 16:01:41,030 INFO L262 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-12-01 16:01:41,030 INFO L262 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2020-12-01 16:01:41,032 INFO L262 CegarLoopResult]: For program point L183(lines 183 189) no Hoare annotation was computed. [2020-12-01 16:01:41,032 INFO L262 CegarLoopResult]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2020-12-01 16:01:41,032 INFO L262 CegarLoopResult]: For program point L183-2(lines 183 189) no Hoare annotation was computed. [2020-12-01 16:01:41,033 INFO L258 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:01:41,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:01:41 BoogieIcfgContainer [2020-12-01 16:01:41,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:01:41,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:01:41,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:01:41,088 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:01:41,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:34" (3/4) ... [2020-12-01 16:01:41,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:01:41,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 16:01:41,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:01:41,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:01:41,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:01:41,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:01:41,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:01:41,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:01:41,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-01 16:01:41,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,167 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-01 16:01:41,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-01 16:01:41,250 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d1b4533-b08f-4dd1-9fd1-be0adb01b823/bin/uautomizer/witness.graphml [2020-12-01 16:01:41,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:01:41,257 INFO L168 Benchmark]: Toolchain (without parser) took 8576.43 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 57.1 MB in the beginning and 52.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,257 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:01:41,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.03 ms. Allocated memory is still 90.2 MB. Free memory was 56.8 MB in the beginning and 56.6 MB in the end (delta: 218.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.21 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,259 INFO L168 Benchmark]: Boogie Preprocessor took 96.77 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 50.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,259 INFO L168 Benchmark]: RCFGBuilder took 1292.37 ms. Allocated memory is still 90.2 MB. Free memory was 50.8 MB in the beginning and 31.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,260 INFO L168 Benchmark]: TraceAbstraction took 6139.46 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 31.3 MB in the beginning and 61.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,260 INFO L168 Benchmark]: Witness Printer took 167.89 ms. Allocated memory is still 132.1 MB. Free memory was 61.2 MB in the beginning and 52.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:41,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.03 ms. Allocated memory is still 90.2 MB. Free memory was 56.8 MB in the beginning and 56.6 MB in the end (delta: 218.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.21 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.77 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 50.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1292.37 ms. Allocated memory is still 90.2 MB. Free memory was 50.8 MB in the beginning and 31.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6139.46 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 31.3 MB in the beginning and 61.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 167.89 ms. Allocated memory is still 132.1 MB. Free memory was 61.2 MB in the beginning and 52.8 MB in the end (delta: 8.4 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: 170]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 99 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 1002 SDslu, 1169 SDs, 0 SdLazy, 183 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 747 HoareAnnotationTreeSize, 43 FomulaSimplifications, 18944 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 884 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 29327 SizeOfPredicates, 3 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...