./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/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 018c197bde290ca741273d5f329501cc0843a1bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:43,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:43,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:43,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:43,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:43,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:43,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:43,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:43,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:43,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:43,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:43,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:43,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:43,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:43,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:43,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:43,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:43,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:43,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:43,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:43,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:43,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:43,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:43,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:43,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:43,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:43,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:43,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:43,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:43,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:43,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:43,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:43,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:43,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:43,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:43,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:43,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:43,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:43,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:43,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:43,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:43,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:43,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:43,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:43,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:43,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:43,320 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:43,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:43,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:43,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:43,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:43,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:43,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:43,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:43,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:43,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:43,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:43,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:43,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:43,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:43,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:43,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:43,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:43,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:43,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:43,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:43,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:43,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:43,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:43,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:43,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:43,326 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_3de4b248-182e-4df6-9c40-0eb69a0bbb71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 018c197bde290ca741273d5f329501cc0843a1bb [2020-11-28 03:17:43,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:43,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:43,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:43,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:43,699 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:43,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-11-28 03:17:43,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/data/6d0347d54/7dfaf07a5e0f44cab659a8fce60daed7/FLAGc803a9727 [2020-11-28 03:17:44,491 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:44,492 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-11-28 03:17:44,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/data/6d0347d54/7dfaf07a5e0f44cab659a8fce60daed7/FLAGc803a9727 [2020-11-28 03:17:44,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/data/6d0347d54/7dfaf07a5e0f44cab659a8fce60daed7 [2020-11-28 03:17:44,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:44,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:44,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:44,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:44,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:44,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703dea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44, skipping insertion in model container [2020-11-28 03:17:44,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:44,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:45,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,199 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:45,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,354 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:45,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45 WrapperNode [2020-11-28 03:17:45,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:45,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:45,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:45,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:45,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:45,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:45,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:45,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:45,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:46,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:46,943 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 03:17:46,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46 BoogieIcfgContainer [2020-11-28 03:17:46,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:46,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:46,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:46,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:46,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:44" (1/3) ... [2020-11-28 03:17:46,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40474511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:46, skipping insertion in model container [2020-11-28 03:17:46,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (2/3) ... [2020-11-28 03:17:46,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40474511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:46, skipping insertion in model container [2020-11-28 03:17:46,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46" (3/3) ... [2020-11-28 03:17:46,964 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-11-28 03:17:46,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:46,992 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:17:47,009 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:17:47,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:47,061 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:47,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:47,061 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:47,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:47,062 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:47,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:47,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-11-28 03:17:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:17:47,096 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:47,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:47,098 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:47,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:47,105 INFO L82 PathProgramCache]: Analyzing trace with hash -640056572, now seen corresponding path program 1 times [2020-11-28 03:17:47,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:47,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681519279] [2020-11-28 03:17:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:47,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681519279] [2020-11-28 03:17:47,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:47,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:47,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837545117] [2020-11-28 03:17:47,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:17:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:47,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:17:47,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:17:47,580 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-11-28 03:17:47,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:47,619 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-11-28 03:17:47,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:17:47,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:17:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:47,636 INFO L225 Difference]: With dead ends: 142 [2020-11-28 03:17:47,637 INFO L226 Difference]: Without dead ends: 69 [2020-11-28 03:17:47,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:17:47,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-28 03:17:47,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-28 03:17:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:17:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-11-28 03:17:47,694 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-11-28 03:17:47,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:47,695 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-11-28 03:17:47,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:17:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-11-28 03:17:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:17:47,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:47,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:47,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:47,701 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:47,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:47,702 INFO L82 PathProgramCache]: Analyzing trace with hash -858892541, now seen corresponding path program 1 times [2020-11-28 03:17:47,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:47,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684808115] [2020-11-28 03:17:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:47,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684808115] [2020-11-28 03:17:47,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:47,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:47,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789773997] [2020-11-28 03:17:47,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:47,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:47,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:47,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:47,925 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2020-11-28 03:17:47,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:47,943 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-11-28 03:17:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:47,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:17:47,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:47,949 INFO L225 Difference]: With dead ends: 69 [2020-11-28 03:17:47,950 INFO L226 Difference]: Without dead ends: 33 [2020-11-28 03:17:47,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:47,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-28 03:17:47,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-28 03:17:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:17:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-28 03:17:47,964 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-11-28 03:17:47,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:47,965 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-28 03:17:47,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:47,966 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-28 03:17:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:17:47,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:47,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:47,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:47,969 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:47,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:47,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2020-11-28 03:17:47,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:47,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439013173] [2020-11-28 03:17:47,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:48,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439013173] [2020-11-28 03:17:48,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:48,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:17:48,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898904927] [2020-11-28 03:17:48,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:17:48,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:48,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:17:48,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:17:48,119 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-11-28 03:17:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:48,341 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-11-28 03:17:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:17:48,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:17:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:48,349 INFO L225 Difference]: With dead ends: 59 [2020-11-28 03:17:48,350 INFO L226 Difference]: Without dead ends: 33 [2020-11-28 03:17:48,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:17:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-28 03:17:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-28 03:17:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:17:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-28 03:17:48,357 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-11-28 03:17:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:48,357 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-28 03:17:48,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:17:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-28 03:17:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:17:48,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:48,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:48,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:48,359 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:48,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:48,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2020-11-28 03:17:48,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:48,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133355721] [2020-11-28 03:17:48,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:48,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133355721] [2020-11-28 03:17:48,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:48,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:48,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118541514] [2020-11-28 03:17:48,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:48,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:48,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:48,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:48,506 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-28 03:17:48,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:48,721 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-28 03:17:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:17:48,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:17:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:48,728 INFO L225 Difference]: With dead ends: 135 [2020-11-28 03:17:48,728 INFO L226 Difference]: Without dead ends: 109 [2020-11-28 03:17:48,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:17:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-11-28 03:17:48,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-11-28 03:17:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-28 03:17:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-11-28 03:17:48,752 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-11-28 03:17:48,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:48,753 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-11-28 03:17:48,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-11-28 03:17:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:17:48,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:48,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:48,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:17:48,757 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:48,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:48,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2020-11-28 03:17:48,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:48,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027096491] [2020-11-28 03:17:48,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:48,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027096491] [2020-11-28 03:17:48,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:48,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:48,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229636433] [2020-11-28 03:17:48,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:48,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:48,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:48,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:48,882 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-11-28 03:17:49,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:49,004 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-11-28 03:17:49,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:17:49,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:17:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:49,005 INFO L225 Difference]: With dead ends: 146 [2020-11-28 03:17:49,005 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:17:49,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:49,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:17:49,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:17:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:17:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:17:49,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 03:17:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:49,009 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:49,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:17:49,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:17:49,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:17:49,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:17:49,510 INFO L277 CegarLoopResult]: At program point L894(lines 875 897) the Hoare annotation is: true [2020-11-28 03:17:49,510 INFO L270 CegarLoopResult]: At program point L861(lines 857 863) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,511 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,511 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-11-28 03:17:49,511 INFO L270 CegarLoopResult]: At program point L135(lines 134 153) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,511 INFO L270 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: false [2020-11-28 03:17:49,512 INFO L274 CegarLoopResult]: For program point L135-1(lines 135 141) no Hoare annotation was computed. [2020-11-28 03:17:49,512 INFO L270 CegarLoopResult]: At program point L135-2(lines 134 153) the Hoare annotation is: false [2020-11-28 03:17:49,512 INFO L270 CegarLoopResult]: At program point L135-3(lines 134 153) the Hoare annotation is: false [2020-11-28 03:17:49,512 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,512 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,512 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,513 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:17:49,513 INFO L274 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-11-28 03:17:49,513 INFO L274 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-11-28 03:17:49,513 INFO L270 CegarLoopResult]: At program point L780-1(lines 1 897) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,513 INFO L270 CegarLoopResult]: At program point L813-2(lines 813 827) the Hoare annotation is: false [2020-11-28 03:17:49,513 INFO L274 CegarLoopResult]: For program point L780-2(lines 780 797) no Hoare annotation was computed. [2020-11-28 03:17:49,514 INFO L270 CegarLoopResult]: At program point L780-3(lines 1 897) the Hoare annotation is: false [2020-11-28 03:17:49,514 INFO L274 CegarLoopResult]: For program point L780-4(lines 780 797) no Hoare annotation was computed. [2020-11-28 03:17:49,514 INFO L270 CegarLoopResult]: At program point L780-5(lines 1 897) the Hoare annotation is: false [2020-11-28 03:17:49,514 INFO L274 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-11-28 03:17:49,514 INFO L270 CegarLoopResult]: At program point L237(lines 232 240) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,514 INFO L270 CegarLoopResult]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2020-11-28 03:17:49,515 INFO L274 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-11-28 03:17:49,515 INFO L270 CegarLoopResult]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2020-11-28 03:17:49,515 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 179) no Hoare annotation was computed. [2020-11-28 03:17:49,515 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 179) no Hoare annotation was computed. [2020-11-28 03:17:49,515 INFO L274 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-11-28 03:17:49,515 INFO L274 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point L784(lines 784 794) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point L817-1(lines 135 141) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point L784-2(lines 784 794) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point L784-4(lines 784 794) no Hoare annotation was computed. [2020-11-28 03:17:49,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:17:49,517 INFO L270 CegarLoopResult]: At program point L669(lines 1 897) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:49,517 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:17:49,517 INFO L274 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2020-11-28 03:17:49,517 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2020-11-28 03:17:49,517 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2020-11-28 03:17:49,517 INFO L270 CegarLoopResult]: At program point L769(lines 764 771) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,521 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-11-28 03:17:49,521 INFO L274 CegarLoopResult]: For program point L92-2(lines 135 141) no Hoare annotation was computed. [2020-11-28 03:17:49,526 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,527 INFO L274 CegarLoopResult]: For program point L885(lines 885 892) no Hoare annotation was computed. [2020-11-28 03:17:49,527 INFO L277 CegarLoopResult]: At program point L885-1(lines 885 892) the Hoare annotation is: true [2020-11-28 03:17:49,527 INFO L270 CegarLoopResult]: At program point L142(lines 142 148) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,527 INFO L270 CegarLoopResult]: At program point L142-1(lines 142 148) the Hoare annotation is: false [2020-11-28 03:17:49,527 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-11-28 03:17:49,528 INFO L270 CegarLoopResult]: At program point L142-2(lines 142 148) the Hoare annotation is: false [2020-11-28 03:17:49,528 INFO L270 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,528 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:17:49,528 INFO L274 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:17:49,528 INFO L274 CegarLoopResult]: For program point L689-3(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:17:49,528 INFO L274 CegarLoopResult]: For program point L689-6(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:17:49,529 INFO L270 CegarLoopResult]: At program point L228(lines 221 231) the Hoare annotation is: false [2020-11-28 03:17:49,529 INFO L270 CegarLoopResult]: At program point L228-1(lines 221 231) the Hoare annotation is: false [2020-11-28 03:17:49,529 INFO L270 CegarLoopResult]: At program point L228-2(lines 221 231) the Hoare annotation is: false [2020-11-28 03:17:49,529 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:17:49,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:17:49,529 INFO L270 CegarLoopResult]: At program point L726(lines 721 729) the Hoare annotation is: false [2020-11-28 03:17:49,530 INFO L270 CegarLoopResult]: At program point L726-1(lines 721 729) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,530 INFO L270 CegarLoopResult]: At program point L726-2(lines 721 729) the Hoare annotation is: false [2020-11-28 03:17:49,530 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-28 03:17:49,530 INFO L270 CegarLoopResult]: At program point L726-3(lines 721 729) the Hoare annotation is: false [2020-11-28 03:17:49,530 INFO L274 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-11-28 03:17:49,531 INFO L270 CegarLoopResult]: At program point L726-4(lines 721 729) the Hoare annotation is: false [2020-11-28 03:17:49,531 INFO L270 CegarLoopResult]: At program point L726-5(lines 721 729) the Hoare annotation is: false [2020-11-28 03:17:49,531 INFO L274 CegarLoopResult]: For program point L115-2(line 115) no Hoare annotation was computed. [2020-11-28 03:17:49,531 INFO L270 CegarLoopResult]: At program point L677(lines 672 680) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:17:49,531 INFO L274 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-11-28 03:17:49,531 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:17:49,532 INFO L274 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-11-28 03:17:49,532 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 184) no Hoare annotation was computed. [2020-11-28 03:17:49,532 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 184) no Hoare annotation was computed. [2020-11-28 03:17:49,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:49 BoogieIcfgContainer [2020-11-28 03:17:49,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:49,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:49,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:49,585 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:49,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46" (3/4) ... [2020-11-28 03:17:49,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:17:49,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:17:49,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:17:49,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:17:49,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:17:49,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:17:49,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:49,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:49,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:17:49,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-11-28 03:17:49,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-11-28 03:17:49,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,664 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,666 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:17:49,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3de4b248-182e-4df6-9c40-0eb69a0bbb71/bin/uautomizer/witness.graphml [2020-11-28 03:17:49,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:49,786 INFO L168 Benchmark]: Toolchain (without parser) took 4978.91 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 94.5 MB in the beginning and 124.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,787 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 40.3 MB in the beginning and 40.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:49,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.98 ms. Allocated memory is still 123.7 MB. Free memory was 94.5 MB in the beginning and 90.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.71 ms. Allocated memory is still 123.7 MB. Free memory was 90.9 MB in the beginning and 87.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,788 INFO L168 Benchmark]: Boogie Preprocessor took 70.35 ms. Allocated memory is still 123.7 MB. Free memory was 87.9 MB in the beginning and 85.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,789 INFO L168 Benchmark]: RCFGBuilder took 1450.37 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 72.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,789 INFO L168 Benchmark]: TraceAbstraction took 2630.76 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 72.0 MB in the beginning and 48.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 52.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,790 INFO L168 Benchmark]: Witness Printer took 199.20 ms. Allocated memory is still 148.9 MB. Free memory was 48.8 MB in the beginning and 124.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 40.3 MB in the beginning and 40.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.98 ms. Allocated memory is still 123.7 MB. Free memory was 94.5 MB in the beginning and 90.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.71 ms. Allocated memory is still 123.7 MB. Free memory was 90.9 MB in the beginning and 87.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.35 ms. Allocated memory is still 123.7 MB. Free memory was 87.9 MB in the beginning and 85.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1450.37 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 72.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2630.76 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 72.0 MB in the beginning and 48.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 52.5 MB. Max. memory is 16.1 GB. * Witness Printer took 199.20 ms. Allocated memory is still 148.9 MB. Free memory was 48.8 MB in the beginning and 124.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 354 SDslu, 257 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1253 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 285 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...