./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product29.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 db34ce7f2561b6e02b8ca3433870fb499d17b965 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:22,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:22,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:22,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:22,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:22,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:22,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:22,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:22,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:22,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:22,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:22,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:22,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:22,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:22,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:22,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:22,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:22,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:22,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:22,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:22,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:22,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:22,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:22,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:22,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:22,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:22,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:22,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:22,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:22,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:22,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:22,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:22,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:22,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:22,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:22,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:22,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:22,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:22,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:22,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:22,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:22,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:22,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:22,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:22,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:22,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:22,262 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:22,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:22,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:22,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:22,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:22,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:22,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:22,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:22,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:22,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:22,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:22,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:22,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:22,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:22,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:22,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:22,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:22,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:22,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:22,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:22,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:22,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:22,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:22,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:22,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:22,267 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 -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2020-10-20 01:42:22,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:22,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:22,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:22,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:22,505 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:22,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-10-20 01:42:22,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80415f432/731f8c62a3a34a7ca0075e9346a837ff/FLAG1f261992b [2020-10-20 01:42:23,060 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:23,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-10-20 01:42:23,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80415f432/731f8c62a3a34a7ca0075e9346a837ff/FLAG1f261992b [2020-10-20 01:42:23,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80415f432/731f8c62a3a34a7ca0075e9346a837ff [2020-10-20 01:42:23,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:23,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:23,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:23,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:23,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:23,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:23" (1/1) ... [2020-10-20 01:42:23,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4debd630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:23, skipping insertion in model container [2020-10-20 01:42:23,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:23" (1/1) ... [2020-10-20 01:42:23,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:23,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:24,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:24,095 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:24,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:24,219 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:24,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24 WrapperNode [2020-10-20 01:42:24,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:24,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:24,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:24,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:24,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:24,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:24,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:24,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:24,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:24,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:24,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:24,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:24,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:25,368 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:25,369 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-20 01:42:25,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:25 BoogieIcfgContainer [2020-10-20 01:42:25,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:25,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:25,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:25,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:25,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:23" (1/3) ... [2020-10-20 01:42:25,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1002d235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:25, skipping insertion in model container [2020-10-20 01:42:25,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24" (2/3) ... [2020-10-20 01:42:25,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1002d235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:25, skipping insertion in model container [2020-10-20 01:42:25,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:25" (3/3) ... [2020-10-20 01:42:25,381 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-10-20 01:42:25,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:25,401 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:25,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:25,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:25,442 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:25,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:25,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:25,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:25,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:25,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:25,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-20 01:42:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:25,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:25,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:25,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:25,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1650685455, now seen corresponding path program 1 times [2020-10-20 01:42:25,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:25,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313777403] [2020-10-20 01:42:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:25,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313777403] [2020-10-20 01:42:25,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:25,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:25,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143460991] [2020-10-20 01:42:25,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:25,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:25,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:25,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:25,861 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-20 01:42:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:25,897 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-20 01:42:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:25,899 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:25,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:25,913 INFO L225 Difference]: With dead ends: 214 [2020-10-20 01:42:25,914 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:42:25,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:25,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:42:25,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-20 01:42:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 01:42:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-20 01:42:25,971 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-20 01:42:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:25,972 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-20 01:42:25,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-20 01:42:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:25,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:25,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:25,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:25,975 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:25,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:25,976 INFO L82 PathProgramCache]: Analyzing trace with hash -234581629, now seen corresponding path program 1 times [2020-10-20 01:42:25,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:25,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923303957] [2020-10-20 01:42:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:26,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923303957] [2020-10-20 01:42:26,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:26,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:26,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461776532] [2020-10-20 01:42:26,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:26,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:26,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:26,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:26,110 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-20 01:42:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:26,143 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-20 01:42:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:26,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:26,145 INFO L225 Difference]: With dead ends: 105 [2020-10-20 01:42:26,147 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:26,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:26,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:42:26,159 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-20 01:42:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:26,160 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:42:26,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:42:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:26,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:26,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:26,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:26,164 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:26,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2020-10-20 01:42:26,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:26,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771698431] [2020-10-20 01:42:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:26,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771698431] [2020-10-20 01:42:26,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:26,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:26,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853225380] [2020-10-20 01:42:26,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:26,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:26,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:26,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:26,347 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2020-10-20 01:42:26,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:26,615 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-20 01:42:26,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:26,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:42:26,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:26,617 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:42:26,617 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:26,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:26,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-20 01:42:26,625 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-20 01:42:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:26,626 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-20 01:42:26,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-20 01:42:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:26,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:26,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:26,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:26,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:26,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2020-10-20 01:42:26,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:26,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679345509] [2020-10-20 01:42:26,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:26,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679345509] [2020-10-20 01:42:26,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:26,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:26,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351900192] [2020-10-20 01:42:26,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:26,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:26,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:26,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:26,701 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-20 01:42:26,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:26,835 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:42:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:26,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:26,838 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:42:26,838 INFO L226 Difference]: Without dead ends: 169 [2020-10-20 01:42:26,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-20 01:42:26,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-20 01:42:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 01:42:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-20 01:42:26,853 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-20 01:42:26,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:26,853 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-20 01:42:26,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-20 01:42:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:26,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:26,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:26,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:26,856 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:26,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2020-10-20 01:42:26,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:26,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733411861] [2020-10-20 01:42:26,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:26,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733411861] [2020-10-20 01:42:26,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:26,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:26,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510999579] [2020-10-20 01:42:26,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:26,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:26,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:26,918 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-20 01:42:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:26,995 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-20 01:42:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:26,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:26,997 INFO L225 Difference]: With dead ends: 176 [2020-10-20 01:42:26,997 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:26,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:26,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:26,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:42:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:26,999 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:26,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:27,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:27,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:27,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:27,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,304 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,304 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,304 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L270 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,305 INFO L274 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-10-20 01:42:27,306 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-10-20 01:42:27,307 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,307 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-10-20 01:42:27,307 INFO L270 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2020-10-20 01:42:27,307 INFO L274 CegarLoopResult]: For program point L339-1(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:42:27,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,307 INFO L274 CegarLoopResult]: For program point L506(lines 506 510) no Hoare annotation was computed. [2020-10-20 01:42:27,307 INFO L274 CegarLoopResult]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2020-10-20 01:42:27,308 INFO L274 CegarLoopResult]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2020-10-20 01:42:27,308 INFO L270 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,308 INFO L270 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,308 INFO L270 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,308 INFO L270 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,322 INFO L270 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,323 INFO L270 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2020-10-20 01:42:27,323 INFO L274 CegarLoopResult]: For program point L442(lines 442 459) no Hoare annotation was computed. [2020-10-20 01:42:27,323 INFO L270 CegarLoopResult]: At program point L442-1(lines 1 953) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,323 INFO L274 CegarLoopResult]: For program point L442-2(lines 442 459) no Hoare annotation was computed. [2020-10-20 01:42:27,323 INFO L270 CegarLoopResult]: At program point L442-3(lines 1 953) the Hoare annotation is: false [2020-10-20 01:42:27,323 INFO L274 CegarLoopResult]: For program point L442-4(lines 442 459) no Hoare annotation was computed. [2020-10-20 01:42:27,323 INFO L270 CegarLoopResult]: At program point L442-5(lines 1 953) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L543(lines 538 546) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L543-1(lines 538 546) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L543-2(lines 538 546) the Hoare annotation is: false [2020-10-20 01:42:27,324 INFO L270 CegarLoopResult]: At program point L543-3(lines 538 546) the Hoare annotation is: false [2020-10-20 01:42:27,325 INFO L274 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-10-20 01:42:27,325 INFO L270 CegarLoopResult]: At program point L543-4(lines 538 546) the Hoare annotation is: false [2020-10-20 01:42:27,325 INFO L270 CegarLoopResult]: At program point L543-5(lines 538 546) the Hoare annotation is: false [2020-10-20 01:42:27,325 INFO L277 CegarLoopResult]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2020-10-20 01:42:27,325 INFO L274 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-10-20 01:42:27,325 INFO L270 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,325 INFO L274 CegarLoopResult]: For program point L446(lines 446 456) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L446-2(lines 446 456) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L446-4(lines 446 456) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:42:27,326 INFO L274 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:42:27,327 INFO L270 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:27,327 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:27,327 INFO L274 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-20 01:42:27,327 INFO L274 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-10-20 01:42:27,327 INFO L274 CegarLoopResult]: For program point L319-2(line 319) no Hoare annotation was computed. [2020-10-20 01:42:27,327 INFO L270 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,327 INFO L270 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2020-10-20 01:42:27,328 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:42:27,328 INFO L270 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2020-10-20 01:42:27,328 INFO L274 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:42:27,328 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:42:27,328 INFO L270 CegarLoopResult]: At program point L584(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,328 INFO L270 CegarLoopResult]: At program point L584-1(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,328 INFO L274 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-20 01:42:27,328 INFO L270 CegarLoopResult]: At program point L584-2(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,329 INFO L270 CegarLoopResult]: At program point L584-3(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,329 INFO L270 CegarLoopResult]: At program point L584-4(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,329 INFO L270 CegarLoopResult]: At program point L584-5(lines 579 587) the Hoare annotation is: false [2020-10-20 01:42:27,329 INFO L270 CegarLoopResult]: At program point L486(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:27,329 INFO L277 CegarLoopResult]: At program point L420(lines 401 423) the Hoare annotation is: true [2020-10-20 01:42:27,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:27,329 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,329 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2020-10-20 01:42:27,330 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,330 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-10-20 01:42:27,331 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,331 INFO L274 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L270 CegarLoopResult]: At program point L494(lines 489 497) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:27,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:27,333 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:27,333 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-10-20 01:42:27,333 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-10-20 01:42:27,333 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-20 01:42:27,333 INFO L270 CegarLoopResult]: At program point L431(lines 426 433) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:27,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:27 BoogieIcfgContainer [2020-10-20 01:42:27,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:27,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:27,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:27,373 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:27,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:25" (3/4) ... [2020-10-20 01:42:27,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:27,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:27,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:27,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:27,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:27,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:27,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:27,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:27,453 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:42:27,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2020-10-20 01:42:27,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2020-10-20 01:42:27,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,456 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:27,589 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:27,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:27,594 INFO L168 Benchmark]: Toolchain (without parser) took 4161.88 ms. Allocated memory was 35.1 MB in the beginning and 61.3 MB in the end (delta: 26.2 MB). Free memory was 11.0 MB in the beginning and 21.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,595 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.65 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.1 MB in the beginning and 25.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.63 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 21.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,596 INFO L168 Benchmark]: Boogie Preprocessor took 51.63 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 19.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,596 INFO L168 Benchmark]: RCFGBuilder took 1005.82 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 19.0 MB in the beginning and 24.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,597 INFO L168 Benchmark]: TraceAbstraction took 1999.70 ms. Allocated memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: 13.6 MB). Free memory was 23.6 MB in the beginning and 34.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,597 INFO L168 Benchmark]: Witness Printer took 216.78 ms. Allocated memory is still 61.3 MB. Free memory was 34.7 MB in the beginning and 21.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:27,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 784.65 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.1 MB in the beginning and 25.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 92.63 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 21.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 51.63 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 19.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1005.82 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 19.0 MB in the beginning and 24.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1999.70 ms. Allocated memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: 13.6 MB). Free memory was 23.6 MB in the beginning and 34.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 14.3 GB. * Witness Printer took 216.78 ms. Allocated memory is still 61.3 MB. Free memory was 34.7 MB in the beginning and 21.9 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 509 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1404 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...