./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec3_product03.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d1eb208d6efd7de1545c84c5a943059f225aacb ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:31,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:31,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:31,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:31,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:31,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:31,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:31,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:31,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:31,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:31,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:31,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:31,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:31,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:31,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:31,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:31,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:31,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:31,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:31,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:31,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:31,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:31,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:31,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:31,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:31,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:31,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:31,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:31,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:31,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:31,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:31,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:31,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:31,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:31,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:31,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:31,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:31,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:31,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:31,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:31,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:31,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:31,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:31,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:31,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:31,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:31,368 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:31,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:31,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:31,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:31,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:31,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:31,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:31,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:31,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:31,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:31,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:31,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:31,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:31,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:31,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:31,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:31,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:31,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:31,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:31,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:31,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:31,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:31,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:31,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:31,376 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(__VERIFIER_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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2019-11-19 21:22:31,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:31,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:31,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:31,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:31,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:31,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-19 21:22:31,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836448150/8f7794095b4343988fe044b9f3e1e5ae/FLAGf8550ea95 [2019-11-19 21:22:32,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:32,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-19 21:22:32,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836448150/8f7794095b4343988fe044b9f3e1e5ae/FLAGf8550ea95 [2019-11-19 21:22:32,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836448150/8f7794095b4343988fe044b9f3e1e5ae [2019-11-19 21:22:32,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:32,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:32,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:32,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:32,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:32,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:32" (1/1) ... [2019-11-19 21:22:32,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23803b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:32, skipping insertion in model container [2019-11-19 21:22:32,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:32" (1/1) ... [2019-11-19 21:22:32,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:32,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:33,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:33,137 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:33,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:33,252 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:33,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33 WrapperNode [2019-11-19 21:22:33,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:33,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:33,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:33,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:33,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:33,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:33,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:33,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:33,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (1/1) ... [2019-11-19 21:22:33,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:33,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:33,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:33,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:33,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (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 [2019-11-19 21:22:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:34,140 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:34,141 INFO L285 CfgBuilder]: Removed 76 assume(true) statements. [2019-11-19 21:22:34,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:34 BoogieIcfgContainer [2019-11-19 21:22:34,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:34,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:34,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:34,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:34,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:32" (1/3) ... [2019-11-19 21:22:34,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46935190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:34, skipping insertion in model container [2019-11-19 21:22:34,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:33" (2/3) ... [2019-11-19 21:22:34,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46935190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:34, skipping insertion in model container [2019-11-19 21:22:34,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:34" (3/3) ... [2019-11-19 21:22:34,150 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2019-11-19 21:22:34,160 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:34,172 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:34,183 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:34,208 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:34,208 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:34,209 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:34,209 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:34,209 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:34,209 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:34,209 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:34,210 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-19 21:22:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:34,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,235 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:34,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2019-11-19 21:22:34,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437429988] [2019-11-19 21:22:34,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437429988] [2019-11-19 21:22:34,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:34,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275012707] [2019-11-19 21:22:34,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:34,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:34,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:34,586 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-19 21:22:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,617 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2019-11-19 21:22:34,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:34,619 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,630 INFO L225 Difference]: With dead ends: 124 [2019-11-19 21:22:34,630 INFO L226 Difference]: Without dead ends: 61 [2019-11-19 21:22:34,634 INFO L630 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 [2019-11-19 21:22:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-19 21:22:34,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-19 21:22:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-19 21:22:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2019-11-19 21:22:34,680 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2019-11-19 21:22:34,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,681 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2019-11-19 21:22:34,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2019-11-19 21:22:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:34,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:34,683 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2019-11-19 21:22:34,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143690369] [2019-11-19 21:22:34,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143690369] [2019-11-19 21:22:34,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:34,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654735233] [2019-11-19 21:22:34,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,809 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2019-11-19 21:22:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,820 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2019-11-19 21:22:34,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:34,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,823 INFO L225 Difference]: With dead ends: 61 [2019-11-19 21:22:34,823 INFO L226 Difference]: Without dead ends: 31 [2019-11-19 21:22:34,824 INFO L630 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 [2019-11-19 21:22:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-19 21:22:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-19 21:22:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-19 21:22:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-19 21:22:34,831 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-11-19 21:22:34,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,831 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-19 21:22:34,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-19 21:22:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:34,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,833 INFO L410 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] [2019-11-19 21:22:34,834 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,834 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2019-11-19 21:22:34,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101645800] [2019-11-19 21:22:34,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101645800] [2019-11-19 21:22:34,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:34,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596533696] [2019-11-19 21:22:34,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,953 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-11-19 21:22:34,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,983 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2019-11-19 21:22:34,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:34,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 21:22:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,987 INFO L225 Difference]: With dead ends: 81 [2019-11-19 21:22:34,988 INFO L226 Difference]: Without dead ends: 56 [2019-11-19 21:22:34,990 INFO L630 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 [2019-11-19 21:22:34,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-19 21:22:35,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-19 21:22:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-19 21:22:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-11-19 21:22:35,012 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2019-11-19 21:22:35,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,013 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-11-19 21:22:35,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-11-19 21:22:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:35,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,017 INFO L410 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] [2019-11-19 21:22:35,018 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2019-11-19 21:22:35,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143337463] [2019-11-19 21:22:35,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:35,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143337463] [2019-11-19 21:22:35,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:35,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:35,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37398813] [2019-11-19 21:22:35,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:35,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:35,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:35,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:35,151 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-11-19 21:22:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,279 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2019-11-19 21:22:35,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:35,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 21:22:35,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,283 INFO L225 Difference]: With dead ends: 264 [2019-11-19 21:22:35,283 INFO L226 Difference]: Without dead ends: 218 [2019-11-19 21:22:35,284 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:35,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-19 21:22:35,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2019-11-19 21:22:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-19 21:22:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2019-11-19 21:22:35,319 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2019-11-19 21:22:35,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,319 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-19 21:22:35,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2019-11-19 21:22:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:22:35,324 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,324 INFO L410 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] [2019-11-19 21:22:35,324 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2019-11-19 21:22:35,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38007575] [2019-11-19 21:22:35,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:22:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:22:35,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:22:35,533 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:22:35,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:35 BoogieIcfgContainer [2019-11-19 21:22:35,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:35,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:35,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:35,637 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:35,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:34" (3/4) ... [2019-11-19 21:22:35,640 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 21:22:35,732 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:35,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:35,735 INFO L168 Benchmark]: Toolchain (without parser) took 3101.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.7 MB in the beginning and 952.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 144.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,735 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:35,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,739 INFO L168 Benchmark]: Boogie Preprocessor took 46.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,740 INFO L168 Benchmark]: RCFGBuilder took 757.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,740 INFO L168 Benchmark]: TraceAbstraction took 1493.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,741 INFO L168 Benchmark]: Witness Printer took 95.49 ms. Allocated memory is still 1.2 GB. Free memory was 958.8 MB in the beginning and 952.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:35,744 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 757.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1493.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. * Witness Printer took 95.49 ms. Allocated memory is still 1.2 GB. Free memory was 958.8 MB in the beginning and 952.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L763] int retValue_acc ; [L764] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...