./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_product50.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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:27:03,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:03,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:03,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:03,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:03,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:03,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:03,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:03,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:03,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:03,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:03,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:03,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:03,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:03,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:03,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:03,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:03,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:03,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:03,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:03,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:03,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:03,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:03,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:03,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:03,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:03,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:03,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:03,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:03,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:03,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:03,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:03,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:03,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:03,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:03,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:03,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:03,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:03,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:03,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:03,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:03,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:03,263 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:03,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:03,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:03,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:03,266 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:03,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:03,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:03,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:03,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:03,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:03,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:03,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:03,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:03,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:03,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:03,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:03,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:03,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:03,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:03,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:03,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:03,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:03,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:03,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:03,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:03,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:03,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:03,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:03,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:03,273 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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-11-28 17:27:03,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:03,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:03,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:03,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:03,615 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:03,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-28 17:27:03,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1d5f1ab/2fa9fd149141433d8451efec0b657530/FLAG406d868b2 [2019-11-28 17:27:04,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:04,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-28 17:27:04,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1d5f1ab/2fa9fd149141433d8451efec0b657530/FLAG406d868b2 [2019-11-28 17:27:04,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1d5f1ab/2fa9fd149141433d8451efec0b657530 [2019-11-28 17:27:04,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:04,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:04,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:04,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:04,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:04,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:04" (1/1) ... [2019-11-28 17:27:04,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72e966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:04, skipping insertion in model container [2019-11-28 17:27:04,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:04" (1/1) ... [2019-11-28 17:27:04,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:04,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:05,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:05,077 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:05,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:05,256 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:05,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05 WrapperNode [2019-11-28 17:27:05,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:05,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:05,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:05,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:05,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:05,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:05,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:05,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:05,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (1/1) ... [2019-11-28 17:27:05,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:05,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:05,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:05,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:05,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (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 17:27:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:06,499 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:06,499 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 17:27:06,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:06 BoogieIcfgContainer [2019-11-28 17:27:06,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:06,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:06,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:06,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:06,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:04" (1/3) ... [2019-11-28 17:27:06,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dea06fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:06, skipping insertion in model container [2019-11-28 17:27:06,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:05" (2/3) ... [2019-11-28 17:27:06,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dea06fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:06, skipping insertion in model container [2019-11-28 17:27:06,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:06" (3/3) ... [2019-11-28 17:27:06,511 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-11-28 17:27:06,523 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:06,530 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:06,543 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:06,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:06,577 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:06,577 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:06,578 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:06,578 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:06,579 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:06,579 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:06,579 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 17:27:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:27:06,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:06,617 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:06,618 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:06,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:06,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2019-11-28 17:27:06,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:06,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63455601] [2019-11-28 17:27:06,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:06,934 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 17:27:06,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63455601] [2019-11-28 17:27:06,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:06,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:06,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579031467] [2019-11-28 17:27:06,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:06,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:06,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:06,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:06,957 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 17:27:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:06,994 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-28 17:27:06,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:06,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:27:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:07,009 INFO L225 Difference]: With dead ends: 228 [2019-11-28 17:27:07,010 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 17:27:07,013 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 17:27:07,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 17:27:07,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 17:27:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 17:27:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-28 17:27:07,079 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-11-28 17:27:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:07,080 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-28 17:27:07,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-28 17:27:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:27:07,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:07,082 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 17:27:07,083 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:07,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:07,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2019-11-28 17:27:07,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:07,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866923932] [2019-11-28 17:27:07,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:07,241 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 17:27:07,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866923932] [2019-11-28 17:27:07,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:07,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:07,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101145729] [2019-11-28 17:27:07,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:07,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:07,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:07,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:07,246 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-28 17:27:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:07,275 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 17:27:07,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:07,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:27:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:07,277 INFO L225 Difference]: With dead ends: 113 [2019-11-28 17:27:07,277 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:27:07,278 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 17:27:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:27:07,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:27:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:27:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-28 17:27:07,285 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-11-28 17:27:07,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:07,286 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-28 17:27:07,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-28 17:27:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:27:07,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:07,287 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 17:27:07,288 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:07,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:07,288 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2019-11-28 17:27:07,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:07,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543429847] [2019-11-28 17:27:07,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:07,397 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 17:27:07,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543429847] [2019-11-28 17:27:07,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:07,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:07,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737680288] [2019-11-28 17:27:07,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:07,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:07,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:07,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:07,406 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2019-11-28 17:27:07,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:07,511 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-28 17:27:07,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:07,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 17:27:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:07,518 INFO L225 Difference]: With dead ends: 88 [2019-11-28 17:27:07,518 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:27:07,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:27:07,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:27:07,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:27:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:27:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 17:27:07,530 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-11-28 17:27:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:07,530 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 17:27:07,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 17:27:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:27:07,532 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:07,533 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 17:27:07,533 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:07,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:07,533 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2019-11-28 17:27:07,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:07,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974916876] [2019-11-28 17:27:07,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:07,656 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 17:27:07,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974916876] [2019-11-28 17:27:07,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:07,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:07,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502448646] [2019-11-28 17:27:07,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:07,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:07,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:07,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:07,659 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-28 17:27:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:07,709 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-11-28 17:27:07,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:07,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:27:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:07,711 INFO L225 Difference]: With dead ends: 109 [2019-11-28 17:27:07,711 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 17:27:07,712 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 17:27:07,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 17:27:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-11-28 17:27:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-28 17:27:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-11-28 17:27:07,722 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-11-28 17:27:07,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:07,722 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-11-28 17:27:07,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-11-28 17:27:07,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 17:27:07,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:07,724 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, 1, 1, 1, 1, 1] [2019-11-28 17:27:07,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:07,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:07,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2019-11-28 17:27:07,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:07,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037832737] [2019-11-28 17:27:07,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:07,799 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 17:27:07,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037832737] [2019-11-28 17:27:07,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:07,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:07,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606362726] [2019-11-28 17:27:07,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:07,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:07,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:07,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:07,802 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-11-28 17:27:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:07,929 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-11-28 17:27:07,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:07,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-28 17:27:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:07,932 INFO L225 Difference]: With dead ends: 175 [2019-11-28 17:27:07,932 INFO L226 Difference]: Without dead ends: 115 [2019-11-28 17:27:07,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:27:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-28 17:27:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-11-28 17:27:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-28 17:27:07,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-11-28 17:27:07,949 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-11-28 17:27:07,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:07,949 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-11-28 17:27:07,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-11-28 17:27:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 17:27:07,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:07,953 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, 1, 1, 1, 1, 1] [2019-11-28 17:27:07,953 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:07,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:07,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2019-11-28 17:27:07,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:07,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910579100] [2019-11-28 17:27:07,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,063 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 17:27:08,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910579100] [2019-11-28 17:27:08,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:27:08,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632934204] [2019-11-28 17:27:08,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:27:08,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:27:08,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:08,066 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-11-28 17:27:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:08,646 INFO L93 Difference]: Finished difference Result 461 states and 653 transitions. [2019-11-28 17:27:08,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:27:08,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-11-28 17:27:08,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:08,650 INFO L225 Difference]: With dead ends: 461 [2019-11-28 17:27:08,651 INFO L226 Difference]: Without dead ends: 395 [2019-11-28 17:27:08,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 17:27:08,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-11-28 17:27:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-11-28 17:27:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-11-28 17:27:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-11-28 17:27:08,701 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-11-28 17:27:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:08,702 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-11-28 17:27:08,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:27:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-11-28 17:27:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-28 17:27:08,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:08,707 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2019-11-28 17:27:08,707 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:08,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:08,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2019-11-28 17:27:08,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:08,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868615614] [2019-11-28 17:27:08,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:27:08,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868615614] [2019-11-28 17:27:08,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:08,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057603772] [2019-11-28 17:27:08,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:08,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:08,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:08,800 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 4 states. [2019-11-28 17:27:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:08,864 INFO L93 Difference]: Finished difference Result 379 states and 513 transitions. [2019-11-28 17:27:08,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:08,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-11-28 17:27:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:08,868 INFO L225 Difference]: With dead ends: 379 [2019-11-28 17:27:08,868 INFO L226 Difference]: Without dead ends: 212 [2019-11-28 17:27:08,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-28 17:27:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 152. [2019-11-28 17:27:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 17:27:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-11-28 17:27:08,887 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-11-28 17:27:08,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:08,888 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-11-28 17:27:08,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-11-28 17:27:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 17:27:08,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:08,895 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2019-11-28 17:27:08,895 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:08,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2019-11-28 17:27:08,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:08,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778302420] [2019-11-28 17:27:08,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:08,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778302420] [2019-11-28 17:27:08,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:08,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20774223] [2019-11-28 17:27:08,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:08,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:08,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:08,986 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-11-28 17:27:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,066 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-11-28 17:27:09,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:09,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-28 17:27:09,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,070 INFO L225 Difference]: With dead ends: 514 [2019-11-28 17:27:09,070 INFO L226 Difference]: Without dead ends: 392 [2019-11-28 17:27:09,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:27:09,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-28 17:27:09,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-11-28 17:27:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 17:27:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-11-28 17:27:09,094 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-11-28 17:27:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,094 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-11-28 17:27:09,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-11-28 17:27:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 17:27:09,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,096 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2019-11-28 17:27:09,096 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2019-11-28 17:27:09,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926952264] [2019-11-28 17:27:09,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:09,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926952264] [2019-11-28 17:27:09,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:09,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:09,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971194491] [2019-11-28 17:27:09,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:09,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:09,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:09,191 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-11-28 17:27:09,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,372 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-11-28 17:27:09,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:09,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-28 17:27:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,375 INFO L225 Difference]: With dead ends: 414 [2019-11-28 17:27:09,376 INFO L226 Difference]: Without dead ends: 412 [2019-11-28 17:27:09,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:09,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-11-28 17:27:09,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-11-28 17:27:09,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 17:27:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-11-28 17:27:09,395 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-11-28 17:27:09,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,396 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-11-28 17:27:09,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-11-28 17:27:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-28 17:27:09,397 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,398 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,398 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,399 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2019-11-28 17:27:09,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707433417] [2019-11-28 17:27:09,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707433417] [2019-11-28 17:27:09,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151129036] [2019-11-28 17:27:09,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,605 INFO L264 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:27:09,612 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:09,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:27:09,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280527786] [2019-11-28 17:27:09,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:09,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:09,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:09,645 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 6 states. [2019-11-28 17:27:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,852 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2019-11-28 17:27:09,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:09,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-11-28 17:27:09,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,855 INFO L225 Difference]: With dead ends: 459 [2019-11-28 17:27:09,856 INFO L226 Difference]: Without dead ends: 331 [2019-11-28 17:27:09,857 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-11-28 17:27:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2019-11-28 17:27:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-28 17:27:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2019-11-28 17:27:09,880 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 52 [2019-11-28 17:27:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,881 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2019-11-28 17:27:09,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2019-11-28 17:27:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 17:27:09,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,883 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,088 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:10,089 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2019-11-28 17:27:10,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642455577] [2019-11-28 17:27:10,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:10,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642455577] [2019-11-28 17:27:10,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:10,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021931970] [2019-11-28 17:27:10,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:10,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:10,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:10,264 INFO L87 Difference]: Start difference. First operand 201 states and 262 transitions. Second operand 5 states. [2019-11-28 17:27:10,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,572 INFO L93 Difference]: Finished difference Result 608 states and 806 transitions. [2019-11-28 17:27:10,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:10,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-28 17:27:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,575 INFO L225 Difference]: With dead ends: 608 [2019-11-28 17:27:10,576 INFO L226 Difference]: Without dead ends: 436 [2019-11-28 17:27:10,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-11-28 17:27:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 274. [2019-11-28 17:27:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-28 17:27:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 355 transitions. [2019-11-28 17:27:10,613 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 355 transitions. Word has length 73 [2019-11-28 17:27:10,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,613 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 355 transitions. [2019-11-28 17:27:10,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 355 transitions. [2019-11-28 17:27:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 17:27:10,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,614 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:27:10,615 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2019-11-28 17:27:10,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611822656] [2019-11-28 17:27:10,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:27:10,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611822656] [2019-11-28 17:27:10,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:27:10,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080277389] [2019-11-28 17:27:10,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:27:10,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:27:10,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:27:10,700 INFO L87 Difference]: Start difference. First operand 274 states and 355 transitions. Second operand 7 states. [2019-11-28 17:27:10,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,809 INFO L93 Difference]: Finished difference Result 483 states and 625 transitions. [2019-11-28 17:27:10,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:10,809 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-11-28 17:27:10,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,810 INFO L225 Difference]: With dead ends: 483 [2019-11-28 17:27:10,810 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:10,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:10,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-11-28 17:27:10,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,812 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:10,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:27:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:10,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:10,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:11,336 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-28 17:27:11,703 WARN L192 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-28 17:27:11,961 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 121 [2019-11-28 17:27:12,088 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2019-11-28 17:27:12,195 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2019-11-28 17:27:12,394 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-28 17:27:12,533 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 106 [2019-11-28 17:27:12,780 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2019-11-28 17:27:13,054 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2019-11-28 17:27:13,622 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-28 17:27:13,750 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-28 17:27:14,356 WARN L192 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-28 17:27:14,975 WARN L192 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2019-11-28 17:27:15,285 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2019-11-28 17:27:15,530 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2019-11-28 17:27:16,028 WARN L192 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-28 17:27:16,422 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 15 [2019-11-28 17:27:16,449 INFO L246 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,449 INFO L246 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,449 INFO L246 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,450 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,450 INFO L246 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,450 INFO L242 CegarLoopResult]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-28 17:27:16,450 INFO L246 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,450 INFO L242 CegarLoopResult]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2019-11-28 17:27:16,450 INFO L246 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,450 INFO L242 CegarLoopResult]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2019-11-28 17:27:16,451 INFO L246 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,451 INFO L242 CegarLoopResult]: At program point L498(lines 494 500) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:27:16,451 INFO L246 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,451 INFO L246 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,451 INFO L246 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,452 INFO L246 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,452 INFO L246 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2019-11-28 17:27:16,452 INFO L246 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-11-28 17:27:16,452 INFO L246 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-11-28 17:27:16,452 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-11-28 17:27:16,453 INFO L246 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-11-28 17:27:16,453 INFO L242 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:16,453 INFO L249 CegarLoopResult]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-11-28 17:27:16,453 INFO L246 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,453 INFO L246 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,453 INFO L246 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,453 INFO L246 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,454 INFO L246 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,454 INFO L246 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-11-28 17:27:16,454 INFO L242 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:16,454 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-11-28 17:27:16,454 INFO L242 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-11-28 17:27:16,454 INFO L242 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-11-28 17:27:16,454 INFO L242 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2019-11-28 17:27:16,455 INFO L242 CegarLoopResult]: At program point L570(lines 1 964) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:27:16,455 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,456 INFO L246 CegarLoopResult]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L246 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L246 CegarLoopResult]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L246 CegarLoopResult]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L246 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L246 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-11-28 17:27:16,457 INFO L242 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2019-11-28 17:27:16,457 INFO L242 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-11-28 17:27:16,457 INFO L242 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-11-28 17:27:16,458 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,458 INFO L246 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,458 INFO L246 CegarLoopResult]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,458 INFO L242 CegarLoopResult]: At program point L676(lines 667 680) the Hoare annotation is: false [2019-11-28 17:27:16,458 INFO L242 CegarLoopResult]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-11-28 17:27:16,458 INFO L242 CegarLoopResult]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2019-11-28 17:27:16,458 INFO L242 CegarLoopResult]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2019-11-28 17:27:16,458 INFO L242 CegarLoopResult]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2019-11-28 17:27:16,459 INFO L242 CegarLoopResult]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2019-11-28 17:27:16,459 INFO L242 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:27:16,459 INFO L242 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-11-28 17:27:16,459 INFO L246 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-11-28 17:27:16,459 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 17:27:16,459 INFO L246 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-11-28 17:27:16,459 INFO L242 CegarLoopResult]: At program point L812(lines 807 815) the Hoare annotation is: false [2019-11-28 17:27:16,459 INFO L242 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2019-11-28 17:27:16,460 INFO L242 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2019-11-28 17:27:16,460 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:16,460 INFO L246 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-11-28 17:27:16,460 INFO L242 CegarLoopResult]: At program point L417-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:16,460 INFO L246 CegarLoopResult]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-11-28 17:27:16,460 INFO L242 CegarLoopResult]: At program point L417-3(lines 1 964) the Hoare annotation is: false [2019-11-28 17:27:16,460 INFO L246 CegarLoopResult]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-11-28 17:27:16,460 INFO L242 CegarLoopResult]: At program point L417-5(lines 1 964) the Hoare annotation is: false [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880-5(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L880-8(lines 880 884) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L451-1(lines 701 707) no Hoare annotation was computed. [2019-11-28 17:27:16,461 INFO L246 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L242 CegarLoopResult]: At program point L947-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:16,462 INFO L246 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L246 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L246 CegarLoopResult]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L246 CegarLoopResult]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:16,462 INFO L242 CegarLoopResult]: At program point L686(lines 681 689) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:16,463 INFO L242 CegarLoopResult]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-11-28 17:27:16,463 INFO L242 CegarLoopResult]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-11-28 17:27:16,466 INFO L246 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-11-28 17:27:16,467 INFO L242 CegarLoopResult]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:16,467 INFO L242 CegarLoopResult]: At program point L886(lines 871 889) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:16,467 INFO L242 CegarLoopResult]: At program point L886-1(lines 871 889) the Hoare annotation is: false [2019-11-28 17:27:16,467 INFO L242 CegarLoopResult]: At program point L886-2(lines 871 889) the Hoare annotation is: false [2019-11-28 17:27:16,467 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:16,468 INFO L246 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-11-28 17:27:16,468 INFO L249 CegarLoopResult]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-11-28 17:27:16,468 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:16,468 INFO L242 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: false [2019-11-28 17:27:16,468 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2019-11-28 17:27:16,469 INFO L246 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2019-11-28 17:27:16,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:16 BoogieIcfgContainer [2019-11-28 17:27:16,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:16,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:16,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:16,524 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:16,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:06" (3/4) ... [2019-11-28 17:27:16,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:16,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:16,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:16,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:16,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:16,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:16,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:16,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:16,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:27:16,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:27:16,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:27:16,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:27:16,613 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:27:16,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 1 == tmp) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:16,734 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:16,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:16,736 INFO L168 Benchmark]: Toolchain (without parser) took 12169.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,736 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:16,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,738 INFO L168 Benchmark]: Boogie Preprocessor took 48.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:16,738 INFO L168 Benchmark]: RCFGBuilder took 1115.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,739 INFO L168 Benchmark]: TraceAbstraction took 10021.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.2 MB). Peak memory consumption was 405.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,740 INFO L168 Benchmark]: Witness Printer took 210.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:16,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 689.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1115.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10021.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.2 MB). Peak memory consumption was 405.0 MB. Max. memory is 11.5 GB. * Witness Printer took 210.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 1 == tmp) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 1208 SDtfs, 2140 SDslu, 2147 SDs, 0 SdLazy, 398 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1107 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 125 NumberOfFragments, 476 HoareAnnotationTreeSize, 43 FomulaSimplifications, 738033 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 126006 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 41936 SizeOfPredicates, 4 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 162/168 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...