./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/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 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:43,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:43,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:43,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:43,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:43,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:43,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:43,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:43,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:43,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:43,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:43,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:43,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:43,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:43,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:43,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:43,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:43,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:43,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:43,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:43,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:43,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:43,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:43,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:43,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:43,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:43,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:43,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:43,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:43,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:43,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:43,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:43,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:43,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:43,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:43,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:43,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:43,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:43,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:43,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:43,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:43,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:35:43,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:43,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:43,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:43,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:43,254 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:43,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:43,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:43,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:43,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:43,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:43,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:43,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:43,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:43,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:43,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:43,258 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:43,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:43,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:43,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:43,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:43,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:43,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:43,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:43,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:43,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:43,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:43,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:43,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:43,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:43,262 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_b62079cc-9178-4377-843e-8627c2fa3fbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 [2020-11-30 00:35:43,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:43,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:43,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:43,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:43,564 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:43,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2020-11-30 00:35:43,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/data/79cb0c329/d80d1f3af42740d6b9dc782a81790e34/FLAG198048b9f [2020-11-30 00:35:44,226 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:44,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2020-11-30 00:35:44,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/data/79cb0c329/d80d1f3af42740d6b9dc782a81790e34/FLAG198048b9f [2020-11-30 00:35:44,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/data/79cb0c329/d80d1f3af42740d6b9dc782a81790e34 [2020-11-30 00:35:44,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:44,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:44,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:44,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:44,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:44,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:44" (1/1) ... [2020-11-30 00:35:44,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3599df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:44, skipping insertion in model container [2020-11-30 00:35:44,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:44" (1/1) ... [2020-11-30 00:35:44,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:44,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:45,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:45,081 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:45,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:45,207 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:45,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45 WrapperNode [2020-11-30 00:35:45,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:45,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:45,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:45,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:45,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:45,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:45,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:45,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:45,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... [2020-11-30 00:35:45,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:45,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:45,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:45,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:45,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:46,572 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:46,572 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-30 00:35:46,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:46 BoogieIcfgContainer [2020-11-30 00:35:46,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:46,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:46,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:46,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:46,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:44" (1/3) ... [2020-11-30 00:35:46,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa8a06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:46, skipping insertion in model container [2020-11-30 00:35:46,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:45" (2/3) ... [2020-11-30 00:35:46,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa8a06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:46, skipping insertion in model container [2020-11-30 00:35:46,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:46" (3/3) ... [2020-11-30 00:35:46,589 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-11-30 00:35:46,602 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:46,607 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:35:46,621 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:35:46,666 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:46,666 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:46,666 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:46,666 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:46,667 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:46,667 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:46,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:46,667 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-30 00:35:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:35:46,702 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:46,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:46,704 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1590673276, now seen corresponding path program 1 times [2020-11-30 00:35:46,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:46,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255692695] [2020-11-30 00:35:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255692695] [2020-11-30 00:35:47,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:47,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:47,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079087786] [2020-11-30 00:35:47,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:35:47,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:47,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:35:47,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:35:47,074 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-11-30 00:35:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:47,107 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-11-30 00:35:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:35:47,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:35:47,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:47,118 INFO L225 Difference]: With dead ends: 158 [2020-11-30 00:35:47,119 INFO L226 Difference]: Without dead ends: 77 [2020-11-30 00:35:47,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:35:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-30 00:35:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-11-30 00:35:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-30 00:35:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-11-30 00:35:47,196 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-11-30 00:35:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:47,196 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-11-30 00:35:47,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:35:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-30 00:35:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:35:47,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:47,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:47,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:35:47,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:47,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:47,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1809509245, now seen corresponding path program 1 times [2020-11-30 00:35:47,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:47,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224334689] [2020-11-30 00:35:47,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224334689] [2020-11-30 00:35:47,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:47,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:47,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774980706] [2020-11-30 00:35:47,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:47,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:47,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:47,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:47,325 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-11-30 00:35:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:47,337 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-11-30 00:35:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:47,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:35:47,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:47,338 INFO L225 Difference]: With dead ends: 77 [2020-11-30 00:35:47,338 INFO L226 Difference]: Without dead ends: 37 [2020-11-30 00:35:47,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-30 00:35:47,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-30 00:35:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-30 00:35:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-11-30 00:35:47,345 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-11-30 00:35:47,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:47,345 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-11-30 00:35:47,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-11-30 00:35:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:35:47,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:47,347 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] [2020-11-30 00:35:47,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:35:47,347 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:47,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:47,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-11-30 00:35:47,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:47,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313538330] [2020-11-30 00:35:47,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313538330] [2020-11-30 00:35:47,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:47,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:47,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212925331] [2020-11-30 00:35:47,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:47,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:47,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:47,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:47,479 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-11-30 00:35:47,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:47,507 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-11-30 00:35:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:47,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:35:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:47,513 INFO L225 Difference]: With dead ends: 97 [2020-11-30 00:35:47,515 INFO L226 Difference]: Without dead ends: 67 [2020-11-30 00:35:47,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:47,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-30 00:35:47,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-11-30 00:35:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-30 00:35:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-11-30 00:35:47,537 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-11-30 00:35:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:47,539 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-11-30 00:35:47,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-11-30 00:35:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:35:47,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:47,543 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] [2020-11-30 00:35:47,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:35:47,543 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:47,544 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-11-30 00:35:47,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:47,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128408589] [2020-11-30 00:35:47,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128408589] [2020-11-30 00:35:47,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:47,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:47,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080180045] [2020-11-30 00:35:47,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:47,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:47,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:47,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:47,701 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-11-30 00:35:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:47,901 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-11-30 00:35:47,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:35:47,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-30 00:35:47,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:47,908 INFO L225 Difference]: With dead ends: 303 [2020-11-30 00:35:47,909 INFO L226 Difference]: Without dead ends: 247 [2020-11-30 00:35:47,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:35:47,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-11-30 00:35:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-11-30 00:35:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 00:35:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-11-30 00:35:47,944 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-11-30 00:35:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:47,944 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-11-30 00:35:47,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-11-30 00:35:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:35:47,952 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:47,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:47,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:35:47,952 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-11-30 00:35:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:47,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902881248] [2020-11-30 00:35:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902881248] [2020-11-30 00:35:48,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:48,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:48,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298354530] [2020-11-30 00:35:48,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:48,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:48,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:48,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:48,066 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-11-30 00:35:48,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:48,193 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-11-30 00:35:48,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:35:48,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-30 00:35:48,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:48,194 INFO L225 Difference]: With dead ends: 307 [2020-11-30 00:35:48,194 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:35:48,196 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 [2020-11-30 00:35:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:35:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:35:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:35:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:35:48,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-30 00:35:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:48,198 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:48,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:35:48,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:35:48,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:35:48,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:35:48,521 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,522 INFO L274 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-11-30 00:35:48,522 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2020-11-30 00:35:48,522 INFO L274 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2020-11-30 00:35:48,522 INFO L270 CegarLoopResult]: At program point L746(lines 741 749) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:35:48,522 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,522 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L274 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L274 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2020-11-30 00:35:48,523 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,523 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-11-30 00:35:48,524 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,524 INFO L274 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2020-11-30 00:35:48,525 INFO L274 CegarLoopResult]: For program point L912-5(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,525 INFO L274 CegarLoopResult]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,525 INFO L274 CegarLoopResult]: For program point L912-8(lines 912 916) no Hoare annotation was computed. [2020-11-30 00:35:48,525 INFO L270 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:35:48,525 INFO L270 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,525 INFO L270 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2020-11-30 00:35:48,526 INFO L270 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2020-11-30 00:35:48,526 INFO L274 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-11-30 00:35:48,526 INFO L277 CegarLoopResult]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2020-11-30 00:35:48,526 INFO L274 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-11-30 00:35:48,526 INFO L270 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,526 INFO L270 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2020-11-30 00:35:48,527 INFO L270 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2020-11-30 00:35:48,527 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:35:48,527 INFO L274 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-11-30 00:35:48,527 INFO L270 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,527 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,527 INFO L270 CegarLoopResult]: At program point L918(lines 903 921) the Hoare annotation is: false [2020-11-30 00:35:48,528 INFO L270 CegarLoopResult]: At program point L918-1(lines 903 921) the Hoare annotation is: false [2020-11-30 00:35:48,528 INFO L270 CegarLoopResult]: At program point L918-2(lines 903 921) the Hoare annotation is: false [2020-11-30 00:35:48,528 INFO L270 CegarLoopResult]: At program point L738(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:35:48,528 INFO L270 CegarLoopResult]: At program point L606(lines 602 608) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:35:48,528 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:35:48,528 INFO L270 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: false [2020-11-30 00:35:48,529 INFO L270 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-11-30 00:35:48,529 INFO L274 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2020-11-30 00:35:48,529 INFO L270 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-11-30 00:35:48,529 INFO L274 CegarLoopResult]: For program point L689(lines 689 702) no Hoare annotation was computed. [2020-11-30 00:35:48,529 INFO L270 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2020-11-30 00:35:48,529 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-30 00:35:48,529 INFO L270 CegarLoopResult]: At program point L707(lines 658 708) the Hoare annotation is: false [2020-11-30 00:35:48,530 INFO L274 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-11-30 00:35:48,530 INFO L270 CegarLoopResult]: At program point L428-1(lines 1 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,530 INFO L274 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2020-11-30 00:35:48,530 INFO L270 CegarLoopResult]: At program point L428-3(lines 1 945) the Hoare annotation is: false [2020-11-30 00:35:48,530 INFO L274 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2020-11-30 00:35:48,530 INFO L270 CegarLoopResult]: At program point L428-5(lines 1 945) the Hoare annotation is: false [2020-11-30 00:35:48,531 INFO L277 CegarLoopResult]: At program point L643(lines 624 646) the Hoare annotation is: true [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-11-30 00:35:48,531 INFO L274 CegarLoopResult]: For program point L660(lines 659 706) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L561-1(lines 760 766) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L270 CegarLoopResult]: At program point L760(lines 759 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,532 INFO L274 CegarLoopResult]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2020-11-30 00:35:48,532 INFO L270 CegarLoopResult]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2020-11-30 00:35:48,533 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-30 00:35:48,533 INFO L270 CegarLoopResult]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2020-11-30 00:35:48,533 INFO L274 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-11-30 00:35:48,533 INFO L274 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-11-30 00:35:48,533 INFO L274 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2020-11-30 00:35:48,533 INFO L274 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-11-30 00:35:48,533 INFO L270 CegarLoopResult]: At program point L926-1(lines 926 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,534 INFO L274 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-11-30 00:35:48,534 INFO L270 CegarLoopResult]: At program point L695-1(lines 760 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,534 INFO L274 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-11-30 00:35:48,534 INFO L270 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:35:48,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:48 BoogieIcfgContainer [2020-11-30 00:35:48,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:48,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:48,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:48,553 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:48,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:46" (3/4) ... [2020-11-30 00:35:48,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:35:48,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:35:48,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:35:48,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:35:48,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:35:48,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:35:48,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:48,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:48,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:35:48,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b62079cc-9178-4377-843e-8627c2fa3fbc/bin/uautomizer/witness.graphml [2020-11-30 00:35:48,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:48,690 INFO L168 Benchmark]: Toolchain (without parser) took 4164.03 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 49.7 MB in the beginning and 66.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,690 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:48,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.73 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 48.7 MB in the end (delta: 820.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.53 ms. Allocated memory is still 81.8 MB. Free memory was 48.7 MB in the beginning and 45.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,692 INFO L168 Benchmark]: Boogie Preprocessor took 82.96 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 43.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,692 INFO L168 Benchmark]: RCFGBuilder took 1181.38 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 43.5 MB in the beginning and 63.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,693 INFO L168 Benchmark]: TraceAbstraction took 1972.75 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 74.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,693 INFO L168 Benchmark]: Witness Printer took 135.31 ms. Allocated memory is still 127.9 MB. Free memory was 74.3 MB in the beginning and 66.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.73 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 48.7 MB in the end (delta: 820.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.53 ms. Allocated memory is still 81.8 MB. Free memory was 48.7 MB in the beginning and 45.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.96 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 43.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.38 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 43.5 MB in the beginning and 63.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1972.75 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 74.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 135.31 ms. Allocated memory is still 127.9 MB. Free memory was 74.3 MB in the beginning and 66.9 MB in the end (delta: 7.3 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: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...