./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_spec1_product31.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 7e56150b699b94e28c1c73525159cfeb9360ab0a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:41:34,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:34,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:34,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:34,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:34,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:34,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:34,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:34,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:34,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:34,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:34,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:34,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:34,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:34,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:34,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:34,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:34,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:34,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:34,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:34,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:34,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:34,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:34,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:34,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:34,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:34,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:34,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:34,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:34,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:34,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:34,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:34,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:34,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:34,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:34,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:34,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:34,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:34,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:34,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:34,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:34,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:34,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:34,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:34,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:34,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:34,296 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:34,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:34,296 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:34,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:34,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:34,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:34,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:34,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:34,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:34,299 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:34,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:34,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:34,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:34,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:34,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:34,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:34,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:34,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:34,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:34,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:34,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:34,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:34,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:34,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:34,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:34,304 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 -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-10-20 01:41:34,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:34,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:34,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:34,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:34,584 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:34,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-10-20 01:41:34,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc024450/fde59dfdd38d44f49eed61069c97e4a4/FLAG2b2369a96 [2020-10-20 01:41:35,294 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:35,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-10-20 01:41:35,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc024450/fde59dfdd38d44f49eed61069c97e4a4/FLAG2b2369a96 [2020-10-20 01:41:35,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc024450/fde59dfdd38d44f49eed61069c97e4a4 [2020-10-20 01:41:35,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:35,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:35,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:35,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:35,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:35,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:35" (1/1) ... [2020-10-20 01:41:35,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792d0464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:35, skipping insertion in model container [2020-10-20 01:41:35,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:35" (1/1) ... [2020-10-20 01:41:35,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:35,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:36,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:36,056 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:36,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:36,170 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:36,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36 WrapperNode [2020-10-20 01:41:36,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:36,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:36,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:36,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:36,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:36,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:36,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:36,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:36,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (1/1) ... [2020-10-20 01:41:36,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:36,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:36,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:36,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:36,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (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 01:41:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:37,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:37,358 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-20 01:41:37,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:37 BoogieIcfgContainer [2020-10-20 01:41:37,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:37,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:37,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:37,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:37,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:35" (1/3) ... [2020-10-20 01:41:37,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba5e46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:37, skipping insertion in model container [2020-10-20 01:41:37,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:36" (2/3) ... [2020-10-20 01:41:37,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba5e46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:37, skipping insertion in model container [2020-10-20 01:41:37,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:37" (3/3) ... [2020-10-20 01:41:37,370 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2020-10-20 01:41:37,385 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:37,395 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:37,410 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:37,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:37,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:37,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:37,437 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:37,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:37,437 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:37,438 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:37,438 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-20 01:41:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:37,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:37,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:37,463 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:37,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:37,468 INFO L82 PathProgramCache]: Analyzing trace with hash -2110279171, now seen corresponding path program 1 times [2020-10-20 01:41:37,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:37,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150568898] [2020-10-20 01:41:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:37,746 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 01:41:37,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150568898] [2020-10-20 01:41:37,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:37,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:37,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134695030] [2020-10-20 01:41:37,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:37,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:37,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:37,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:37,786 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-20 01:41:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:37,817 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-10-20 01:41:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:37,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:37,833 INFO L225 Difference]: With dead ends: 211 [2020-10-20 01:41:37,834 INFO L226 Difference]: Without dead ends: 103 [2020-10-20 01:41:37,838 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 01:41:37,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-20 01:41:37,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-20 01:41:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-20 01:41:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-10-20 01:41:37,879 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-10-20 01:41:37,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:37,880 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-10-20 01:41:37,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-10-20 01:41:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:37,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:37,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:37,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:37,883 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:37,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1364569740, now seen corresponding path program 1 times [2020-10-20 01:41:37,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:37,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706508482] [2020-10-20 01:41:37,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:38,005 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 01:41:38,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706508482] [2020-10-20 01:41:38,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:38,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:38,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484495422] [2020-10-20 01:41:38,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:38,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:38,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:38,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:38,010 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-10-20 01:41:38,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:38,024 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-10-20 01:41:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:38,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:38,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:38,026 INFO L225 Difference]: With dead ends: 103 [2020-10-20 01:41:38,026 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:41:38,028 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 01:41:38,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:41:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:41:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:41:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:41:38,035 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-10-20 01:41:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:38,036 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:41:38,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:41:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:38,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:38,037 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] [2020-10-20 01:41:38,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:38,038 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-10-20 01:41:38,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:38,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358616987] [2020-10-20 01:41:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:38,186 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 01:41:38,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358616987] [2020-10-20 01:41:38,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:38,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:38,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775086021] [2020-10-20 01:41:38,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:38,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:38,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:38,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:38,189 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-10-20 01:41:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:38,211 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-10-20 01:41:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:38,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:41:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:38,213 INFO L225 Difference]: With dead ends: 123 [2020-10-20 01:41:38,213 INFO L226 Difference]: Without dead ends: 84 [2020-10-20 01:41:38,214 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 [2020-10-20 01:41:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-20 01:41:38,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-10-20 01:41:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 01:41:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-10-20 01:41:38,225 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-10-20 01:41:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:38,225 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-10-20 01:41:38,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-10-20 01:41:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:38,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:38,227 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 01:41:38,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:38,227 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:38,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:38,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-10-20 01:41:38,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:38,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335395450] [2020-10-20 01:41:38,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:38,300 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 01:41:38,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335395450] [2020-10-20 01:41:38,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:38,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:38,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930224823] [2020-10-20 01:41:38,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:38,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:38,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:38,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:38,302 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2020-10-20 01:41:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:38,426 INFO L93 Difference]: Finished difference Result 404 states and 614 transitions. [2020-10-20 01:41:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:38,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:38,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:38,430 INFO L225 Difference]: With dead ends: 404 [2020-10-20 01:41:38,430 INFO L226 Difference]: Without dead ends: 330 [2020-10-20 01:41:38,431 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 01:41:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-20 01:41:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 148. [2020-10-20 01:41:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-20 01:41:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2020-10-20 01:41:38,458 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 24 [2020-10-20 01:41:38,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:38,458 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2020-10-20 01:41:38,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2020-10-20 01:41:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:41:38,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:38,460 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] [2020-10-20 01:41:38,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:38,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:38,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:38,461 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2020-10-20 01:41:38,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:38,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186580657] [2020-10-20 01:41:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:38,551 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 01:41:38,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186580657] [2020-10-20 01:41:38,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:38,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:38,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240433147] [2020-10-20 01:41:38,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:38,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:38,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:38,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:38,554 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand 5 states. [2020-10-20 01:41:38,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:38,642 INFO L93 Difference]: Finished difference Result 356 states and 539 transitions. [2020-10-20 01:41:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:38,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:41:38,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:38,643 INFO L225 Difference]: With dead ends: 356 [2020-10-20 01:41:38,643 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:38,645 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 01:41:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:38,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-20 01:41:38,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:38,647 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:38,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:38,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:38,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:38,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:38,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,902 INFO L270 CegarLoopResult]: At program point L432(lines 425 435) the Hoare annotation is: false [2020-10-20 01:41:38,903 INFO L270 CegarLoopResult]: At program point L432-1(lines 425 435) the Hoare annotation is: false [2020-10-20 01:41:38,903 INFO L270 CegarLoopResult]: At program point L432-2(lines 425 435) the Hoare annotation is: false [2020-10-20 01:41:38,903 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,903 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,903 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,903 INFO L270 CegarLoopResult]: At program point L235(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L274 CegarLoopResult]: For program point L169(lines 169 173) no Hoare annotation was computed. [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L235-3(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L235-4(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L235-5(lines 230 238) the Hoare annotation is: false [2020-10-20 01:41:38,904 INFO L270 CegarLoopResult]: At program point L270(lines 265 273) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:38,905 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:38,905 INFO L274 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-10-20 01:41:38,905 INFO L270 CegarLoopResult]: At program point L536-1(lines 536 542) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,905 INFO L274 CegarLoopResult]: For program point L371(lines 371 388) no Hoare annotation was computed. [2020-10-20 01:41:38,905 INFO L274 CegarLoopResult]: For program point L371-1(lines 371 388) no Hoare annotation was computed. [2020-10-20 01:41:38,905 INFO L274 CegarLoopResult]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2020-10-20 01:41:38,906 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-10-20 01:41:38,906 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,906 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:41:38,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,906 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,906 INFO L270 CegarLoopResult]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-10-20 01:41:38,906 INFO L274 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-10-20 01:41:38,907 INFO L270 CegarLoopResult]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-10-20 01:41:38,907 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 383) no Hoare annotation was computed. [2020-10-20 01:41:38,907 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-10-20 01:41:38,907 INFO L270 CegarLoopResult]: At program point L574(lines 525 575) the Hoare annotation is: false [2020-10-20 01:41:38,907 INFO L274 CegarLoopResult]: For program point L345(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,907 INFO L274 CegarLoopResult]: For program point L345-1(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L274 CegarLoopResult]: For program point L345-3(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L274 CegarLoopResult]: For program point L345-4(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L274 CegarLoopResult]: For program point L345-5(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L270 CegarLoopResult]: At program point L313(lines 312 331) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,908 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:41:38,908 INFO L270 CegarLoopResult]: At program point L313-2(lines 312 331) the Hoare annotation is: false [2020-10-20 01:41:38,909 INFO L270 CegarLoopResult]: At program point L313-3(lines 312 331) the Hoare annotation is: false [2020-10-20 01:41:38,909 INFO L274 CegarLoopResult]: For program point L181(lines 181 185) no Hoare annotation was computed. [2020-10-20 01:41:38,909 INFO L274 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-10-20 01:41:38,909 INFO L270 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,909 INFO L274 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,909 INFO L274 CegarLoopResult]: For program point L349-1(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,909 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point L349-3(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point L349-4(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point L349-5(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point L285(lines 285 298) no Hoare annotation was computed. [2020-10-20 01:41:38,910 INFO L270 CegarLoopResult]: At program point L285-1(lines 1 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,910 INFO L274 CegarLoopResult]: For program point L285-2(lines 285 298) no Hoare annotation was computed. [2020-10-20 01:41:38,911 INFO L270 CegarLoopResult]: At program point L285-3(lines 1 956) the Hoare annotation is: false [2020-10-20 01:41:38,911 INFO L274 CegarLoopResult]: For program point L285-4(lines 285 298) no Hoare annotation was computed. [2020-10-20 01:41:38,911 INFO L270 CegarLoopResult]: At program point L285-5(lines 1 956) the Hoare annotation is: false [2020-10-20 01:41:38,911 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:41:38,911 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:41:38,911 INFO L270 CegarLoopResult]: At program point L320(lines 320 326) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,911 INFO L270 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: false [2020-10-20 01:41:38,912 INFO L270 CegarLoopResult]: At program point L320-2(lines 320 326) the Hoare annotation is: false [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L157-3(lines 157 161) no Hoare annotation was computed. [2020-10-20 01:41:38,912 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L58-1(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L157-6(lines 157 161) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L587-2(line 587) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,913 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-3(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-5(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-6(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-8(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-9(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-11(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,914 INFO L274 CegarLoopResult]: For program point L490-12(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,915 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:38,915 INFO L274 CegarLoopResult]: For program point L490-14(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,915 INFO L274 CegarLoopResult]: For program point L490-15(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,915 INFO L274 CegarLoopResult]: For program point L490-17(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:41:38,915 INFO L270 CegarLoopResult]: At program point L194(lines 189 197) the Hoare annotation is: false [2020-10-20 01:41:38,915 INFO L270 CegarLoopResult]: At program point L194-1(lines 189 197) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,915 INFO L270 CegarLoopResult]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2020-10-20 01:41:38,916 INFO L270 CegarLoopResult]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2020-10-20 01:41:38,916 INFO L270 CegarLoopResult]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2020-10-20 01:41:38,916 INFO L270 CegarLoopResult]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2020-10-20 01:41:38,916 INFO L270 CegarLoopResult]: At program point L262(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:38,916 INFO L274 CegarLoopResult]: For program point L527(lines 526 573) no Hoare annotation was computed. [2020-10-20 01:41:38,916 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:38,916 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:38,917 INFO L274 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-10-20 01:41:38,917 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:41:38,917 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:41:38,917 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:41:38,917 INFO L270 CegarLoopResult]: At program point L562-1(lines 313 319) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:38,917 INFO L270 CegarLoopResult]: At program point L496(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,917 INFO L270 CegarLoopResult]: At program point L496-1(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,918 INFO L270 CegarLoopResult]: At program point L496-2(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,918 INFO L270 CegarLoopResult]: At program point L496-3(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,918 INFO L270 CegarLoopResult]: At program point L496-4(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,918 INFO L270 CegarLoopResult]: At program point L496-5(lines 481 499) the Hoare annotation is: false [2020-10-20 01:41:38,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:38 BoogieIcfgContainer [2020-10-20 01:41:38,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:38,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:38,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:38,942 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:38,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:37" (3/4) ... [2020-10-20 01:41:38,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:38,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:38,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:38,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:38,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:38,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:38,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:38,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:39,003 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:39,098 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:39,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:39,101 INFO L168 Benchmark]: Toolchain (without parser) took 3499.81 ms. Allocated memory was 44.0 MB in the beginning and 61.9 MB in the end (delta: 17.8 MB). Free memory was 22.8 MB in the beginning and 11.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,102 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 48.6 kB). Peak memory consumption was 48.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 10.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.25 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 10.8 MB in the beginning and 27.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,103 INFO L168 Benchmark]: Boogie Preprocessor took 50.59 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 24.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,104 INFO L168 Benchmark]: RCFGBuilder took 1051.03 ms. Allocated memory was 46.1 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Free memory was 24.2 MB in the beginning and 28.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,104 INFO L168 Benchmark]: TraceAbstraction took 1578.92 ms. Allocated memory was 50.3 MB in the beginning and 61.9 MB in the end (delta: 11.5 MB). Free memory was 28.0 MB in the beginning and 23.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,105 INFO L168 Benchmark]: Witness Printer took 157.68 ms. Allocated memory is still 61.9 MB. Free memory was 23.8 MB in the beginning and 11.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:39,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 48.6 kB). Peak memory consumption was 48.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 563.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 10.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 85.25 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 10.8 MB in the beginning and 27.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.59 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 24.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1051.03 ms. Allocated memory was 46.1 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Free memory was 24.2 MB in the beginning and 28.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1578.92 ms. Allocated memory was 50.3 MB in the beginning and 61.9 MB in the end (delta: 11.5 MB). Free memory was 28.0 MB in the beginning and 23.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 14.3 GB. * Witness Printer took 157.68 ms. Allocated memory is still 61.9 MB. Free memory was 23.8 MB in the beginning and 11.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 433 SDslu, 417 SDs, 0 SdLazy, 66 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2748 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...