./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_spec2_product21.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 f7c7db9989bf214b2258caa5c05380b7759170fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:18,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:18,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:18,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:18,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:18,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:18,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:18,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:18,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:18,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:18,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:18,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:18,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:18,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:18,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:18,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:18,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:18,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:18,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:18,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:18,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:18,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:18,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:18,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:18,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:18,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:18,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:18,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:18,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:18,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:18,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:18,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:18,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:18,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:18,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:18,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:18,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:18,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:18,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:18,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:18,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:18,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:18,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:18,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:18,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:18,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:18,442 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:18,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:18,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:18,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:18,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:18,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:18,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:18,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:18,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:18,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:18,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:18,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:18,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:18,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:18,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:18,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:18,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:18,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:18,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:18,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:18,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:18,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:18,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:18,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:18,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:18,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-10-20 01:42:18,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:18,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:18,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:18,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:18,669 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:18,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-10-20 01:42:18,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c08085f/5f1e5411208e4ba5a9fb5cb64b426450/FLAGdecc6f570 [2020-10-20 01:42:19,255 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:19,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-10-20 01:42:19,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c08085f/5f1e5411208e4ba5a9fb5cb64b426450/FLAGdecc6f570 [2020-10-20 01:42:19,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c08085f/5f1e5411208e4ba5a9fb5cb64b426450 [2020-10-20 01:42:19,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:19,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:19,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:19,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:19,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:19,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:19" (1/1) ... [2020-10-20 01:42:19,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423405cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:19" (1/1) ... [2020-10-20 01:42:19,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:19,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:20,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:20,037 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:20,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:20,161 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:20,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20 WrapperNode [2020-10-20 01:42:20,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:20,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:20,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:20,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:20,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:20,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:20,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:20,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:20,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:20,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:20,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:20,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:20,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (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 [2020-10-20 01:42:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:21,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:21,228 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-20 01:42:21,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21 BoogieIcfgContainer [2020-10-20 01:42:21,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:21,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:21,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:21,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:21,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:19" (1/3) ... [2020-10-20 01:42:21,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d44ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:21, skipping insertion in model container [2020-10-20 01:42:21,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (2/3) ... [2020-10-20 01:42:21,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d44ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:21, skipping insertion in model container [2020-10-20 01:42:21,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21" (3/3) ... [2020-10-20 01:42:21,240 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2020-10-20 01:42:21,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:21,258 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:21,272 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:21,297 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:21,298 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:21,298 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:21,298 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:21,298 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:21,299 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:21,299 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:21,299 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-20 01:42:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:21,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:21,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:21,326 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:21,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1650685455, now seen corresponding path program 1 times [2020-10-20 01:42:21,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:21,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414078570] [2020-10-20 01:42:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:21,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414078570] [2020-10-20 01:42:21,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:21,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:21,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792160819] [2020-10-20 01:42:21,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:21,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:21,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:21,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:21,648 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-20 01:42:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:21,680 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-20 01:42:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:21,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:21,694 INFO L225 Difference]: With dead ends: 214 [2020-10-20 01:42:21,694 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:42:21,698 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 [2020-10-20 01:42:21,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:42:21,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-20 01:42:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 01:42:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-20 01:42:21,744 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-20 01:42:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:21,744 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-20 01:42:21,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-20 01:42:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:21,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:21,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:21,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:21,747 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:21,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:21,747 INFO L82 PathProgramCache]: Analyzing trace with hash -234581629, now seen corresponding path program 1 times [2020-10-20 01:42:21,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:21,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715949077] [2020-10-20 01:42:21,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:21,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715949077] [2020-10-20 01:42:21,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:21,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:21,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229667688] [2020-10-20 01:42:21,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:21,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:21,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:21,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:21,850 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-20 01:42:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:21,863 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-20 01:42:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:21,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:21,864 INFO L225 Difference]: With dead ends: 105 [2020-10-20 01:42:21,865 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:21,866 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 [2020-10-20 01:42:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:42:21,871 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-20 01:42:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:21,872 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:42:21,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:42:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:21,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:21,873 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] [2020-10-20 01:42:21,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:21,874 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:21,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:21,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2020-10-20 01:42:21,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:21,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130844234] [2020-10-20 01:42:21,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:21,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130844234] [2020-10-20 01:42:21,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:21,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:21,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716145732] [2020-10-20 01:42:21,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:21,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:21,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:21,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:21,991 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2020-10-20 01:42:22,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,198 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-20 01:42:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:22,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:42:22,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,201 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:42:22,202 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:22,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:22,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:22,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-20 01:42:22,213 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-20 01:42:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,214 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-20 01:42:22,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-20 01:42:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:22,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,217 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] [2020-10-20 01:42:22,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:22,217 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2020-10-20 01:42:22,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79529146] [2020-10-20 01:42:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:22,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79529146] [2020-10-20 01:42:22,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:22,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989112997] [2020-10-20 01:42:22,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:22,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:22,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:22,363 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-20 01:42:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,488 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:42:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:22,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,491 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:42:22,492 INFO L226 Difference]: Without dead ends: 169 [2020-10-20 01:42:22,492 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 [2020-10-20 01:42:22,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-20 01:42:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-20 01:42:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 01:42:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-20 01:42:22,506 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-20 01:42:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,507 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-20 01:42:22,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-20 01:42:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:22,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:22,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:22,509 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2020-10-20 01:42:22,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609259912] [2020-10-20 01:42:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:22,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609259912] [2020-10-20 01:42:22,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:22,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858640231] [2020-10-20 01:42:22,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:22,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:22,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:22,569 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-20 01:42:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,647 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-20 01:42:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:22,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,648 INFO L225 Difference]: With dead ends: 176 [2020-10-20 01:42:22,648 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:22,650 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 [2020-10-20 01:42:22,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:22,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:22,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:22,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:42:22,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,651 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:22,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:22,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:22,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:22,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:22,905 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,906 INFO L274 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,907 INFO L274 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2020-10-20 01:42:22,908 INFO L274 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2020-10-20 01:42:22,908 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,908 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,910 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,910 INFO L270 CegarLoopResult]: At program point L928(lines 881 929) the Hoare annotation is: false [2020-10-20 01:42:22,911 INFO L274 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-10-20 01:42:22,911 INFO L274 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2020-10-20 01:42:22,911 INFO L274 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-10-20 01:42:22,911 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-10-20 01:42:22,912 INFO L274 CegarLoopResult]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2020-10-20 01:42:22,912 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-20 01:42:22,913 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-20 01:42:22,913 INFO L274 CegarLoopResult]: For program point L466-1(lines 701 707) no Hoare annotation was computed. [2020-10-20 01:42:22,913 INFO L274 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2020-10-20 01:42:22,913 INFO L274 CegarLoopResult]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2020-10-20 01:42:22,913 INFO L274 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2020-10-20 01:42:22,914 INFO L274 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,916 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,917 INFO L274 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,917 INFO L274 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,917 INFO L274 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,918 INFO L274 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2020-10-20 01:42:22,918 INFO L270 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,918 INFO L274 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-10-20 01:42:22,920 INFO L270 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2020-10-20 01:42:22,921 INFO L270 CegarLoopResult]: At program point L602(lines 597 605) the Hoare annotation is: false [2020-10-20 01:42:22,921 INFO L270 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2020-10-20 01:42:22,921 INFO L270 CegarLoopResult]: At program point L602-1(lines 597 605) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,922 INFO L270 CegarLoopResult]: At program point L602-2(lines 597 605) the Hoare annotation is: false [2020-10-20 01:42:22,924 INFO L270 CegarLoopResult]: At program point L602-3(lines 597 605) the Hoare annotation is: false [2020-10-20 01:42:22,924 INFO L270 CegarLoopResult]: At program point L602-4(lines 597 605) the Hoare annotation is: false [2020-10-20 01:42:22,924 INFO L270 CegarLoopResult]: At program point L602-5(lines 597 605) the Hoare annotation is: false [2020-10-20 01:42:22,925 INFO L270 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,927 INFO L270 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,927 INFO L270 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,927 INFO L270 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,928 INFO L270 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,928 INFO L270 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2020-10-20 01:42:22,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,928 INFO L274 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-10-20 01:42:22,928 INFO L270 CegarLoopResult]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,929 INFO L270 CegarLoopResult]: At program point L803(lines 796 806) the Hoare annotation is: false [2020-10-20 01:42:22,929 INFO L270 CegarLoopResult]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2020-10-20 01:42:22,929 INFO L274 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,929 INFO L270 CegarLoopResult]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2020-10-20 01:42:22,929 INFO L274 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,930 INFO L274 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,932 INFO L274 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,932 INFO L274 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,932 INFO L274 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2020-10-20 01:42:22,933 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-10-20 01:42:22,933 INFO L277 CegarLoopResult]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2020-10-20 01:42:22,933 INFO L270 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,933 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2020-10-20 01:42:22,933 INFO L270 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2020-10-20 01:42:22,934 INFO L270 CegarLoopResult]: At program point L643(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,934 INFO L270 CegarLoopResult]: At program point L643-1(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,934 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-20 01:42:22,934 INFO L270 CegarLoopResult]: At program point L643-2(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,934 INFO L270 CegarLoopResult]: At program point L643-3(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,934 INFO L270 CegarLoopResult]: At program point L643-4(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,935 INFO L270 CegarLoopResult]: At program point L643-5(lines 638 646) the Hoare annotation is: false [2020-10-20 01:42:22,935 INFO L270 CegarLoopResult]: At program point L513(lines 509 515) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:22,937 INFO L270 CegarLoopResult]: At program point L679(lines 1 935) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:22,937 INFO L270 CegarLoopResult]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,937 INFO L270 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2020-10-20 01:42:22,938 INFO L270 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2020-10-20 01:42:22,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:22,938 INFO L274 CegarLoopResult]: For program point L912(lines 912 923) no Hoare annotation was computed. [2020-10-20 01:42:22,938 INFO L270 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:22,938 INFO L277 CegarLoopResult]: At program point L550(lines 531 553) the Hoare annotation is: true [2020-10-20 01:42:22,939 INFO L274 CegarLoopResult]: For program point L883(lines 882 927) no Hoare annotation was computed. [2020-10-20 01:42:22,939 INFO L274 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-20 01:42:22,939 INFO L274 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-10-20 01:42:22,940 INFO L274 CegarLoopResult]: For program point L652-2(line 652) no Hoare annotation was computed. [2020-10-20 01:42:22,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:22,940 INFO L274 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-10-20 01:42:22,940 INFO L274 CegarLoopResult]: For program point L918(lines 918 922) no Hoare annotation was computed. [2020-10-20 01:42:22,940 INFO L274 CegarLoopResult]: For program point L918-2(lines 701 707) no Hoare annotation was computed. [2020-10-20 01:42:22,941 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:22,941 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-10-20 01:42:22,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:22,941 INFO L274 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-10-20 01:42:22,942 INFO L270 CegarLoopResult]: At program point L428-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,942 INFO L274 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2020-10-20 01:42:22,942 INFO L270 CegarLoopResult]: At program point L428-3(lines 1 935) the Hoare annotation is: false [2020-10-20 01:42:22,942 INFO L274 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2020-10-20 01:42:22,942 INFO L270 CegarLoopResult]: At program point L428-5(lines 1 935) the Hoare annotation is: false [2020-10-20 01:42:22,943 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:22,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:22,943 INFO L274 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-10-20 01:42:22,943 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2020-10-20 01:42:22,943 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2020-10-20 01:42:22,944 INFO L270 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2020-10-20 01:42:22,944 INFO L274 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-10-20 01:42:22,945 INFO L270 CegarLoopResult]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:22,945 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-20 01:42:22,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:22 BoogieIcfgContainer [2020-10-20 01:42:22,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:22,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:22,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:22,989 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:22,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21" (3/4) ... [2020-10-20 01:42:22,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:23,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:23,018 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:23,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:23,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:23,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:23,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:23,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:23,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:42:23,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:42:23,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:42:23,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,056 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:23,155 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:23,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:23,157 INFO L168 Benchmark]: Toolchain (without parser) took 3541.50 ms. Allocated memory was 41.4 MB in the beginning and 63.4 MB in the end (delta: 22.0 MB). Free memory was 21.8 MB in the beginning and 42.5 MB in the end (delta: -20.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,158 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.10 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 21.0 MB in the beginning and 12.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.86 ms. Allocated memory is still 44.6 MB. Free memory was 12.2 MB in the beginning and 27.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,159 INFO L168 Benchmark]: Boogie Preprocessor took 46.61 ms. Allocated memory is still 44.6 MB. Free memory was 27.0 MB in the beginning and 24.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,160 INFO L168 Benchmark]: RCFGBuilder took 934.52 ms. Allocated memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: 5.8 MB). Free memory was 24.1 MB in the beginning and 27.5 MB in the end (delta: -3.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,160 INFO L168 Benchmark]: TraceAbstraction took 1755.93 ms. Allocated memory was 50.3 MB in the beginning and 59.2 MB in the end (delta: 8.9 MB). Free memory was 27.1 MB in the beginning and 21.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,160 INFO L168 Benchmark]: Witness Printer took 167.27 ms. Allocated memory was 59.2 MB in the beginning and 63.4 MB in the end (delta: 4.2 MB). Free memory was 21.3 MB in the beginning and 42.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 540.10 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 21.0 MB in the beginning and 12.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 86.86 ms. Allocated memory is still 44.6 MB. Free memory was 12.2 MB in the beginning and 27.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 46.61 ms. Allocated memory is still 44.6 MB. Free memory was 27.0 MB in the beginning and 24.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 934.52 ms. Allocated memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: 5.8 MB). Free memory was 24.1 MB in the beginning and 27.5 MB in the end (delta: -3.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1755.93 ms. Allocated memory was 50.3 MB in the beginning and 59.2 MB in the end (delta: 8.9 MB). Free memory was 27.1 MB in the beginning and 21.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.3 GB. * Witness Printer took 167.27 ms. Allocated memory was 59.2 MB in the beginning and 63.4 MB in the end (delta: 4.2 MB). Free memory was 21.3 MB in the beginning and 42.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 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: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 509 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 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...