./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_spec4_product22.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 82f74870a567ad4799d16040af8f13b048c16754 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:26:43,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:43,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:43,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:43,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:43,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:43,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:43,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:43,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:43,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:43,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:43,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:43,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:43,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:43,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:43,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:43,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:43,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:43,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:43,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:43,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:43,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:43,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:43,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:43,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:43,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:43,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:43,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:43,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:43,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:43,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:43,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:43,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:43,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:43,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:43,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:43,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:43,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:43,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:43,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:43,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:43,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:43,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:43,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:43,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:43,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:43,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:43,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:43,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:43,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:43,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:43,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:43,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:43,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:43,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:43,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:43,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:43,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:43,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:43,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:43,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:43,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:43,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:43,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:43,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:43,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:43,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:43,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:43,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:43,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:43,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:43,261 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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2019-11-28 17:26:43,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:43,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:43,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:43,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:43,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:43,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2019-11-28 17:26:43,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb170a97/8b8d1b17fc4b4815bee5104417abbf9c/FLAG6a18fd449 [2019-11-28 17:26:44,205 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:44,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2019-11-28 17:26:44,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb170a97/8b8d1b17fc4b4815bee5104417abbf9c/FLAG6a18fd449 [2019-11-28 17:26:44,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb170a97/8b8d1b17fc4b4815bee5104417abbf9c [2019-11-28 17:26:44,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:44,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:44,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:44,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:44,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:44,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:44" (1/1) ... [2019-11-28 17:26:44,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e036dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:44, skipping insertion in model container [2019-11-28 17:26:44,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:44" (1/1) ... [2019-11-28 17:26:44,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:44,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:44,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:44,898 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:45,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:45,156 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:45,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45 WrapperNode [2019-11-28 17:26:45,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:45,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:45,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:45,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:45,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:45,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:45,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:45,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:45,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (1/1) ... [2019-11-28 17:26:45,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:45,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:45,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:45,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:45,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (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 [2019-11-28 17:26:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:46,243 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:46,243 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 17:26:46,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:46 BoogieIcfgContainer [2019-11-28 17:26:46,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:46,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:46,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:46,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:46,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:44" (1/3) ... [2019-11-28 17:26:46,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30669a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:46, skipping insertion in model container [2019-11-28 17:26:46,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:45" (2/3) ... [2019-11-28 17:26:46,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30669a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:46, skipping insertion in model container [2019-11-28 17:26:46,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:46" (3/3) ... [2019-11-28 17:26:46,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2019-11-28 17:26:46,264 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:46,272 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:46,285 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:46,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:46,313 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:46,313 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:46,313 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:46,313 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:46,314 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:46,314 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:46,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-28 17:26:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:26:46,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:46,342 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:46,343 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:46,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:46,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2019-11-28 17:26:46,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:46,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485775774] [2019-11-28 17:26:46,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:46,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485775774] [2019-11-28 17:26:46,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:46,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:46,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772906319] [2019-11-28 17:26:46,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:46,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:46,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:46,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:46,675 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-11-28 17:26:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:46,711 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-11-28 17:26:46,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:46,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:26:46,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:46,727 INFO L225 Difference]: With dead ends: 204 [2019-11-28 17:26:46,727 INFO L226 Difference]: Without dead ends: 101 [2019-11-28 17:26:46,731 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 [2019-11-28 17:26:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-28 17:26:46,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-28 17:26:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-28 17:26:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-11-28 17:26:46,786 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-11-28 17:26:46,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:46,786 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-28 17:26:46,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-11-28 17:26:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:26:46,788 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:46,788 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:46,788 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:46,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2019-11-28 17:26:46,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:46,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410408240] [2019-11-28 17:26:46,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:46,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410408240] [2019-11-28 17:26:46,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:46,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:46,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780096548] [2019-11-28 17:26:46,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:46,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:46,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:46,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:46,901 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-11-28 17:26:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:46,916 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-11-28 17:26:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:46,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:26:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:46,919 INFO L225 Difference]: With dead ends: 101 [2019-11-28 17:26:46,919 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 17:26:46,920 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 [2019-11-28 17:26:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 17:26:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 17:26:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 17:26:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-11-28 17:26:46,928 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-11-28 17:26:46,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:46,928 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-11-28 17:26:46,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-11-28 17:26:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:26:46,930 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:46,930 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] [2019-11-28 17:26:46,931 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:46,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:46,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2019-11-28 17:26:46,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:46,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202981746] [2019-11-28 17:26:46,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:47,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202981746] [2019-11-28 17:26:47,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:47,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:47,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444370622] [2019-11-28 17:26:47,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:47,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:47,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:47,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:47,013 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2019-11-28 17:26:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:47,054 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-11-28 17:26:47,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:47,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 17:26:47,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:47,056 INFO L225 Difference]: With dead ends: 80 [2019-11-28 17:26:47,057 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 17:26:47,057 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 [2019-11-28 17:26:47,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 17:26:47,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 17:26:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 17:26:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-11-28 17:26:47,072 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-11-28 17:26:47,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:47,073 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-11-28 17:26:47,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-11-28 17:26:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:47,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:47,077 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] [2019-11-28 17:26:47,078 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:47,079 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2019-11-28 17:26:47,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:47,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598567078] [2019-11-28 17:26:47,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:47,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598567078] [2019-11-28 17:26:47,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:47,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:26:47,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048414394] [2019-11-28 17:26:47,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:47,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:47,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:47,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:47,256 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2019-11-28 17:26:47,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:47,577 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2019-11-28 17:26:47,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:26:47,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-11-28 17:26:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:47,584 INFO L225 Difference]: With dead ends: 286 [2019-11-28 17:26:47,586 INFO L226 Difference]: Without dead ends: 249 [2019-11-28 17:26:47,587 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-28 17:26:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-11-28 17:26:47,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2019-11-28 17:26:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-28 17:26:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2019-11-28 17:26:47,629 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2019-11-28 17:26:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:47,630 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2019-11-28 17:26:47,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2019-11-28 17:26:47,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:26:47,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:47,635 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] [2019-11-28 17:26:47,635 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:47,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:47,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2019-11-28 17:26:47,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:47,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535786740] [2019-11-28 17:26:47,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:47,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535786740] [2019-11-28 17:26:47,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:47,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:47,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049608296] [2019-11-28 17:26:47,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:47,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:47,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:47,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:47,745 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2019-11-28 17:26:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:47,761 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2019-11-28 17:26:47,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:47,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 17:26:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:47,762 INFO L225 Difference]: With dead ends: 165 [2019-11-28 17:26:47,762 INFO L226 Difference]: Without dead ends: 63 [2019-11-28 17:26:47,764 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 [2019-11-28 17:26:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-28 17:26:47,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 17:26:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 17:26:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2019-11-28 17:26:47,773 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2019-11-28 17:26:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:47,773 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2019-11-28 17:26:47,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-11-28 17:26:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-28 17:26:47,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:47,775 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:47,776 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2019-11-28 17:26:47,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:47,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818930223] [2019-11-28 17:26:47,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-28 17:26:47,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818930223] [2019-11-28 17:26:47,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:47,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:47,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350838924] [2019-11-28 17:26:47,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:47,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:47,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:47,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:47,854 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 5 states. [2019-11-28 17:26:47,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:47,928 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2019-11-28 17:26:47,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:47,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-11-28 17:26:47,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:47,930 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:26:47,930 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:47,931 INFO L630 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 [2019-11-28 17:26:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:47,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-11-28 17:26:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:47,933 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:47,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:47,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:47,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:48,222 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,223 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:48,223 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,223 INFO L246 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,223 INFO L246 CegarLoopResult]: For program point L535-2(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,224 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,224 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 17:26:48,224 INFO L246 CegarLoopResult]: For program point L408(lines 408 421) no Hoare annotation was computed. [2019-11-28 17:26:48,224 INFO L246 CegarLoopResult]: For program point L246(lines 246 263) no Hoare annotation was computed. [2019-11-28 17:26:48,224 INFO L246 CegarLoopResult]: For program point L246-1(lines 246 263) no Hoare annotation was computed. [2019-11-28 17:26:48,225 INFO L246 CegarLoopResult]: For program point L246-2(lines 246 263) no Hoare annotation was computed. [2019-11-28 17:26:48,226 INFO L246 CegarLoopResult]: For program point L379(lines 378 425) no Hoare annotation was computed. [2019-11-28 17:26:48,230 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-28 17:26:48,230 INFO L242 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2019-11-28 17:26:48,230 INFO L246 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2019-11-28 17:26:48,230 INFO L246 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-3(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-5(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-6(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-8(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,231 INFO L246 CegarLoopResult]: For program point L348-9(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,232 INFO L246 CegarLoopResult]: For program point L348-11(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,232 INFO L246 CegarLoopResult]: For program point L348-12(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,232 INFO L246 CegarLoopResult]: For program point L348-14(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,232 INFO L246 CegarLoopResult]: For program point L348-15(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,232 INFO L246 CegarLoopResult]: For program point L348-17(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:48,233 INFO L246 CegarLoopResult]: For program point L250(lines 250 258) no Hoare annotation was computed. [2019-11-28 17:26:48,237 INFO L246 CegarLoopResult]: For program point L250-1(lines 250 258) no Hoare annotation was computed. [2019-11-28 17:26:48,237 INFO L246 CegarLoopResult]: For program point L250-2(lines 250 258) no Hoare annotation was computed. [2019-11-28 17:26:48,237 INFO L246 CegarLoopResult]: For program point L548(lines 548 561) no Hoare annotation was computed. [2019-11-28 17:26:48,237 INFO L242 CegarLoopResult]: At program point L548-1(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,238 INFO L246 CegarLoopResult]: For program point L548-2(lines 548 561) no Hoare annotation was computed. [2019-11-28 17:26:48,238 INFO L242 CegarLoopResult]: At program point L548-3(lines 1 930) the Hoare annotation is: false [2019-11-28 17:26:48,238 INFO L246 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2019-11-28 17:26:48,238 INFO L246 CegarLoopResult]: For program point L548-4(lines 548 561) no Hoare annotation was computed. [2019-11-28 17:26:48,238 INFO L242 CegarLoopResult]: At program point L548-5(lines 1 930) the Hoare annotation is: false [2019-11-28 17:26:48,239 INFO L242 CegarLoopResult]: At program point L416-2(lines 188 194) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,239 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:48,239 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:48,239 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:48,239 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:48,239 INFO L246 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-11-28 17:26:48,240 INFO L246 CegarLoopResult]: For program point L450-1(lines 188 194) no Hoare annotation was computed. [2019-11-28 17:26:48,240 INFO L246 CegarLoopResult]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-11-28 17:26:48,241 INFO L249 CegarLoopResult]: At program point L517-1(lines 517 524) the Hoare annotation is: true [2019-11-28 17:26:48,241 INFO L246 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,241 INFO L246 CegarLoopResult]: For program point L220-1(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,241 INFO L246 CegarLoopResult]: For program point L220-2(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,241 INFO L246 CegarLoopResult]: For program point L220-3(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,242 INFO L246 CegarLoopResult]: For program point L220-4(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,242 INFO L246 CegarLoopResult]: For program point L220-5(lines 220 237) no Hoare annotation was computed. [2019-11-28 17:26:48,242 INFO L242 CegarLoopResult]: At program point L188(lines 187 206) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,242 INFO L246 CegarLoopResult]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2019-11-28 17:26:48,242 INFO L242 CegarLoopResult]: At program point L122(lines 117 125) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,242 INFO L242 CegarLoopResult]: At program point L188-2(lines 187 206) the Hoare annotation is: false [2019-11-28 17:26:48,245 INFO L242 CegarLoopResult]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-11-28 17:26:48,245 INFO L242 CegarLoopResult]: At program point L188-3(lines 187 206) the Hoare annotation is: false [2019-11-28 17:26:48,245 INFO L242 CegarLoopResult]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-11-28 17:26:48,245 INFO L246 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2019-11-28 17:26:48,245 INFO L246 CegarLoopResult]: For program point L552-2(lines 552 558) no Hoare annotation was computed. [2019-11-28 17:26:48,245 INFO L246 CegarLoopResult]: For program point L552-4(lines 552 558) no Hoare annotation was computed. [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354-1(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354-2(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354-3(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354-4(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,246 INFO L242 CegarLoopResult]: At program point L354-5(lines 339 357) the Hoare annotation is: false [2019-11-28 17:26:48,247 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:48,247 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:48,247 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:48,247 INFO L246 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2019-11-28 17:26:48,248 INFO L242 CegarLoopResult]: At program point L388-1(lines 388 394) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,248 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:48,248 INFO L242 CegarLoopResult]: At program point L290(lines 283 293) the Hoare annotation is: false [2019-11-28 17:26:48,248 INFO L242 CegarLoopResult]: At program point L290-1(lines 283 293) the Hoare annotation is: false [2019-11-28 17:26:48,248 INFO L246 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,248 INFO L242 CegarLoopResult]: At program point L290-2(lines 283 293) the Hoare annotation is: false [2019-11-28 17:26:48,249 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,249 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,250 INFO L246 CegarLoopResult]: For program point L224-3(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,250 INFO L246 CegarLoopResult]: For program point L224-4(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,250 INFO L246 CegarLoopResult]: For program point L224-5(lines 224 232) no Hoare annotation was computed. [2019-11-28 17:26:48,250 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:48,250 INFO L242 CegarLoopResult]: At program point L161(lines 1 930) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:48,251 INFO L242 CegarLoopResult]: At program point L426(lines 377 427) the Hoare annotation is: false [2019-11-28 17:26:48,251 INFO L242 CegarLoopResult]: At program point L195(lines 195 201) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,251 INFO L242 CegarLoopResult]: At program point L195-1(lines 195 201) the Hoare annotation is: false [2019-11-28 17:26:48,251 INFO L242 CegarLoopResult]: At program point L195-2(lines 195 201) the Hoare annotation is: false [2019-11-28 17:26:48,251 INFO L249 CegarLoopResult]: At program point L526(lines 507 529) the Hoare annotation is: true [2019-11-28 17:26:48,252 INFO L242 CegarLoopResult]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:48,252 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,252 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,252 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:26:48,252 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,253 INFO L242 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,253 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:48,253 INFO L242 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,253 INFO L242 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:48,253 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-11-28 17:26:48,253 INFO L246 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2019-11-28 17:26:48,254 INFO L242 CegarLoopResult]: At program point L398-1(lines 398 404) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,254 INFO L242 CegarLoopResult]: At program point L299(lines 294 302) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:48,254 INFO L242 CegarLoopResult]: At program point L299-1(lines 294 302) the Hoare annotation is: false [2019-11-28 17:26:48,254 INFO L242 CegarLoopResult]: At program point L299-2(lines 294 302) the Hoare annotation is: false [2019-11-28 17:26:48,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:48 BoogieIcfgContainer [2019-11-28 17:26:48,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:48,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:48,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:48,300 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:48,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:46" (3/4) ... [2019-11-28 17:26:48,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:48,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:48,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:48,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:48,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:48,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:48,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:48,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:48,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:48,512 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:48,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:48,515 INFO L168 Benchmark]: Toolchain (without parser) took 4032.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 957.7 MB in the beginning and 950.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 206.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,516 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:48,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -236.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,518 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:48,518 INFO L168 Benchmark]: RCFGBuilder took 964.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,519 INFO L168 Benchmark]: TraceAbstraction took 2053.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 163.3 MB). Peak memory consumption was 163.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,519 INFO L168 Benchmark]: Witness Printer took 213.37 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 950.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:48,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 674.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -236.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 964.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2053.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 163.3 MB). Peak memory consumption was 163.3 MB. Max. memory is 11.5 GB. * Witness Printer took 213.37 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 950.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: 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: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 436 SDtfs, 644 SDslu, 498 SDs, 0 SdLazy, 114 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 92 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1788 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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 correct! Received shutdown request...