./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 956eb56d08f0603eaf047516e2a5f6a4b389e052 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:07:18,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:18,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:18,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:18,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:18,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:18,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:18,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:18,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:18,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:18,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:18,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:18,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:18,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:18,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:18,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:18,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:18,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:18,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:18,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:18,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:18,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:18,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:18,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:18,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:18,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:18,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:18,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:18,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:18,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:18,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:18,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:18,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:18,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:18,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:18,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:18,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:18,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:18,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:18,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:18,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:18,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:18,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:18,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:18,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:18,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:18,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:18,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:18,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:18,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:18,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:18,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:18,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:18,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:18,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:18,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:18,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:18,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:18,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:18,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:18,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:18,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:18,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:18,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:18,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:18,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:18,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:18,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:18,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:18,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:18,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:18,395 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 956eb56d08f0603eaf047516e2a5f6a4b389e052 [2020-10-25 23:07:18,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:18,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:18,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:18,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:18,847 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:18,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2020-10-25 23:07:18,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a789a6420/7cc394dad69e4b1d8f55c79249b3280e/FLAG65ef0d23e [2020-10-25 23:07:19,671 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:19,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2020-10-25 23:07:19,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a789a6420/7cc394dad69e4b1d8f55c79249b3280e/FLAG65ef0d23e [2020-10-25 23:07:19,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a789a6420/7cc394dad69e4b1d8f55c79249b3280e [2020-10-25 23:07:19,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:19,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:19,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:19,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:20,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:20,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b1f1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20, skipping insertion in model container [2020-10-25 23:07:20,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:20,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:20,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:20,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:20,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:20,751 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20 WrapperNode [2020-10-25 23:07:20,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:20,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:20,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:20,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:20,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:20,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:20,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:20,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:20,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... [2020-10-25 23:07:20,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:20,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:20,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:20,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:20,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:07:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:22,220 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:22,220 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-25 23:07:22,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:22 BoogieIcfgContainer [2020-10-25 23:07:22,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:22,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:22,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:22,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:22,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:19" (1/3) ... [2020-10-25 23:07:22,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:22, skipping insertion in model container [2020-10-25 23:07:22,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:20" (2/3) ... [2020-10-25 23:07:22,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:22, skipping insertion in model container [2020-10-25 23:07:22,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:22" (3/3) ... [2020-10-25 23:07:22,243 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2020-10-25 23:07:22,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:22,264 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:22,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:22,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:22,323 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:22,323 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:22,324 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:22,324 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:22,324 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:22,324 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:22,324 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-25 23:07:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:22,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:22,357 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2110279171, now seen corresponding path program 1 times [2020-10-25 23:07:22,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486139920] [2020-10-25 23:07:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:22,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486139920] [2020-10-25 23:07:22,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:22,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:22,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104205888] [2020-10-25 23:07:22,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:22,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:22,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:22,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:22,731 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-25 23:07:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:22,796 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-10-25 23:07:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:22,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:22,822 INFO L225 Difference]: With dead ends: 211 [2020-10-25 23:07:22,823 INFO L226 Difference]: Without dead ends: 103 [2020-10-25 23:07:22,841 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 [2020-10-25 23:07:22,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-25 23:07:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-25 23:07:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-25 23:07:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-10-25 23:07:22,908 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-10-25 23:07:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,909 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-10-25 23:07:22,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-10-25 23:07:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:22,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:22,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:22,922 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1364569740, now seen corresponding path program 1 times [2020-10-25 23:07:22,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107870693] [2020-10-25 23:07:22,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:23,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107870693] [2020-10-25 23:07:23,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:23,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:23,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132600417] [2020-10-25 23:07:23,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:23,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:23,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:23,038 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-10-25 23:07:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:23,051 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-10-25 23:07:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:23,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:23,054 INFO L225 Difference]: With dead ends: 103 [2020-10-25 23:07:23,054 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:07:23,055 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 [2020-10-25 23:07:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:07:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:07:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:07:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-25 23:07:23,062 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-10-25 23:07:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:23,062 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-25 23:07:23,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-25 23:07:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:23,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:23,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:23,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:23,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:23,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-10-25 23:07:23,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:23,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357064394] [2020-10-25 23:07:23,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:23,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357064394] [2020-10-25 23:07:23,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:23,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:23,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950581362] [2020-10-25 23:07:23,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:23,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:23,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:23,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:23,154 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-10-25 23:07:23,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:23,176 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-10-25 23:07:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:23,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:07:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:23,178 INFO L225 Difference]: With dead ends: 123 [2020-10-25 23:07:23,178 INFO L226 Difference]: Without dead ends: 84 [2020-10-25 23:07:23,180 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 [2020-10-25 23:07:23,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-25 23:07:23,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-10-25 23:07:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-25 23:07:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-10-25 23:07:23,205 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-10-25 23:07:23,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:23,208 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-10-25 23:07:23,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-10-25 23:07:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:07:23,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:23,211 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] [2020-10-25 23:07:23,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:23,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:23,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:23,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-10-25 23:07:23,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:23,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252879021] [2020-10-25 23:07:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:23,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252879021] [2020-10-25 23:07:23,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:23,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:23,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952350084] [2020-10-25 23:07:23,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:23,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:23,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:23,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:23,396 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2020-10-25 23:07:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:23,518 INFO L93 Difference]: Finished difference Result 329 states and 497 transitions. [2020-10-25 23:07:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:23,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:07:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:23,521 INFO L225 Difference]: With dead ends: 329 [2020-10-25 23:07:23,522 INFO L226 Difference]: Without dead ends: 255 [2020-10-25 23:07:23,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-25 23:07:23,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 148. [2020-10-25 23:07:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-25 23:07:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 215 transitions. [2020-10-25 23:07:23,554 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 215 transitions. Word has length 24 [2020-10-25 23:07:23,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:23,554 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 215 transitions. [2020-10-25 23:07:23,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2020-10-25 23:07:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:07:23,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:23,557 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] [2020-10-25 23:07:23,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:23,558 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash 576039046, now seen corresponding path program 1 times [2020-10-25 23:07:23,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:23,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223050537] [2020-10-25 23:07:23,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:23,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223050537] [2020-10-25 23:07:23,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:23,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:23,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641168321] [2020-10-25 23:07:23,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:23,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:23,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:23,649 INFO L87 Difference]: Start difference. First operand 148 states and 215 transitions. Second operand 5 states. [2020-10-25 23:07:23,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:23,736 INFO L93 Difference]: Finished difference Result 300 states and 451 transitions. [2020-10-25 23:07:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:23,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:07:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:23,738 INFO L225 Difference]: With dead ends: 300 [2020-10-25 23:07:23,738 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:23,740 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 [2020-10-25 23:07:23,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:23,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:23,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:07:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:23,741 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:23,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:23,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:23,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:23,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:24,011 INFO L274 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-10-25 23:07:24,012 INFO L277 CegarLoopResult]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2020-10-25 23:07:24,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,012 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,012 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,013 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,013 INFO L274 CegarLoopResult]: For program point L565(lines 564 611) no Hoare annotation was computed. [2020-10-25 23:07:24,013 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,013 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-10-25 23:07:24,013 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665-1(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665-2(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665-3(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665-4(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L274 CegarLoopResult]: For program point L665-5(lines 665 682) no Hoare annotation was computed. [2020-10-25 23:07:24,014 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: false [2020-10-25 23:07:24,015 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-10-25 23:07:24,015 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-10-25 23:07:24,015 INFO L274 CegarLoopResult]: For program point L831(lines 831 837) no Hoare annotation was computed. [2020-10-25 23:07:24,015 INFO L274 CegarLoopResult]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2020-10-25 23:07:24,016 INFO L274 CegarLoopResult]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2020-10-25 23:07:24,016 INFO L270 CegarLoopResult]: At program point L633(lines 632 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,016 INFO L274 CegarLoopResult]: For program point L600(lines 600 606) no Hoare annotation was computed. [2020-10-25 23:07:24,016 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 639) no Hoare annotation was computed. [2020-10-25 23:07:24,016 INFO L270 CegarLoopResult]: At program point L600-1(lines 633 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,017 INFO L270 CegarLoopResult]: At program point L633-2(lines 632 651) the Hoare annotation is: false [2020-10-25 23:07:24,017 INFO L270 CegarLoopResult]: At program point L633-3(lines 632 651) the Hoare annotation is: false [2020-10-25 23:07:24,017 INFO L270 CegarLoopResult]: At program point L799(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,017 INFO L270 CegarLoopResult]: At program point L799-1(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,018 INFO L270 CegarLoopResult]: At program point L799-2(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,018 INFO L270 CegarLoopResult]: At program point L799-3(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,018 INFO L270 CegarLoopResult]: At program point L799-4(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,018 INFO L270 CegarLoopResult]: At program point L799-5(lines 784 802) the Hoare annotation is: false [2020-10-25 23:07:24,018 INFO L270 CegarLoopResult]: At program point L735(lines 728 738) the Hoare annotation is: false [2020-10-25 23:07:24,019 INFO L270 CegarLoopResult]: At program point L735-1(lines 728 738) the Hoare annotation is: false [2020-10-25 23:07:24,019 INFO L274 CegarLoopResult]: For program point L669(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,019 INFO L270 CegarLoopResult]: At program point L735-2(lines 728 738) the Hoare annotation is: false [2020-10-25 23:07:24,019 INFO L274 CegarLoopResult]: For program point L669-1(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,019 INFO L274 CegarLoopResult]: For program point L669-2(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,020 INFO L274 CegarLoopResult]: For program point L669-3(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,020 INFO L274 CegarLoopResult]: For program point L669-4(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,020 INFO L274 CegarLoopResult]: For program point L669-5(lines 669 677) no Hoare annotation was computed. [2020-10-25 23:07:24,021 INFO L270 CegarLoopResult]: At program point L538(lines 1 939) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,021 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,021 INFO L277 CegarLoopResult]: At program point L936(lines 917 939) the Hoare annotation is: true [2020-10-25 23:07:24,021 INFO L270 CegarLoopResult]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,021 INFO L270 CegarLoopResult]: At program point L640(lines 640 646) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L640-1(lines 640 646) the Hoare annotation is: false [2020-10-25 23:07:24,022 INFO L274 CegarLoopResult]: For program point L574(lines 574 580) no Hoare annotation was computed. [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L640-2(lines 640 646) the Hoare annotation is: false [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L574-1(lines 574 580) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,022 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-10-25 23:07:24,022 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,023 INFO L270 CegarLoopResult]: At program point L508-3(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,023 INFO L270 CegarLoopResult]: At program point L508-4(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,023 INFO L270 CegarLoopResult]: At program point L508-5(lines 503 511) the Hoare annotation is: false [2020-10-25 23:07:24,023 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,023 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,023 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,023 INFO L274 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-10-25 23:07:24,023 INFO L270 CegarLoopResult]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,024 INFO L270 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,024 INFO L270 CegarLoopResult]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2020-10-25 23:07:24,024 INFO L270 CegarLoopResult]: At program point L744-2(lines 739 747) the Hoare annotation is: false [2020-10-25 23:07:24,024 INFO L270 CegarLoopResult]: At program point L612(lines 563 613) the Hoare annotation is: false [2020-10-25 23:07:24,025 INFO L270 CegarLoopResult]: At program point L546(lines 541 549) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,025 INFO L274 CegarLoopResult]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-10-25 23:07:24,025 INFO L270 CegarLoopResult]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,025 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-10-25 23:07:24,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,025 INFO L270 CegarLoopResult]: At program point L856-2(lines 856 870) the Hoare annotation is: false [2020-10-25 23:07:24,026 INFO L274 CegarLoopResult]: For program point L691(lines 691 708) no Hoare annotation was computed. [2020-10-25 23:07:24,026 INFO L274 CegarLoopResult]: For program point L691-1(lines 691 708) no Hoare annotation was computed. [2020-10-25 23:07:24,026 INFO L274 CegarLoopResult]: For program point L691-2(lines 691 708) no Hoare annotation was computed. [2020-10-25 23:07:24,026 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-25 23:07:24,026 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L594(lines 594 607) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-2(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-3(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-5(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-6(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-8(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,027 INFO L274 CegarLoopResult]: For program point L793-9(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L793-11(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L793-12(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L793-14(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L793-15(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L793-17(lines 793 797) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-10-25 23:07:24,028 INFO L274 CegarLoopResult]: For program point L827(lines 827 840) no Hoare annotation was computed. [2020-10-25 23:07:24,029 INFO L274 CegarLoopResult]: For program point L860-1(lines 633 639) no Hoare annotation was computed. [2020-10-25 23:07:24,029 INFO L270 CegarLoopResult]: At program point L827-1(lines 1 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,029 INFO L274 CegarLoopResult]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2020-10-25 23:07:24,034 INFO L270 CegarLoopResult]: At program point L827-3(lines 1 939) the Hoare annotation is: false [2020-10-25 23:07:24,035 INFO L274 CegarLoopResult]: For program point L695(lines 695 703) no Hoare annotation was computed. [2020-10-25 23:07:24,035 INFO L274 CegarLoopResult]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2020-10-25 23:07:24,036 INFO L274 CegarLoopResult]: For program point L695-1(lines 695 703) no Hoare annotation was computed. [2020-10-25 23:07:24,036 INFO L270 CegarLoopResult]: At program point L827-5(lines 1 939) the Hoare annotation is: false [2020-10-25 23:07:24,036 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 703) no Hoare annotation was computed. [2020-10-25 23:07:24,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:07:24 BoogieIcfgContainer [2020-10-25 23:07:24,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:07:24,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:07:24,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:07:24,075 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:07:24,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:22" (3/4) ... [2020-10-25 23:07:24,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:07:24,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:07:24,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:07:24,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:07:24,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:07:24,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:07:24,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:24,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:24,155 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:07:24,265 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:07:24,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:07:24,268 INFO L168 Benchmark]: Toolchain (without parser) took 4278.48 ms. Allocated memory was 41.9 MB in the beginning and 81.8 MB in the end (delta: 39.8 MB). Free memory was 17.9 MB in the beginning and 28.8 MB in the end (delta: -10.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,269 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:07:24,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 17.3 MB in the beginning and 29.3 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.67 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 37.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,270 INFO L168 Benchmark]: Boogie Preprocessor took 81.05 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 34.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,271 INFO L168 Benchmark]: RCFGBuilder took 1291.83 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 29.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,271 INFO L168 Benchmark]: TraceAbstraction took 1843.29 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.7 MB in the beginning and 38.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,272 INFO L168 Benchmark]: Witness Printer took 190.86 ms. Allocated memory is still 81.8 MB. Free memory was 38.5 MB in the beginning and 28.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:24,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 17.3 MB in the beginning and 29.3 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.67 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 37.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.05 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 34.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1291.83 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 29.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1843.29 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.7 MB in the beginning and 38.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 190.86 ms. Allocated memory is still 81.8 MB. Free memory was 38.5 MB in the beginning and 28.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 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: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 416 SDslu, 343 SDs, 0 SdLazy, 74 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 111 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 106 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 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...