./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product38.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 23cbf887df70a1f42db96b12c0b9702076660a13 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:57:38,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:57:38,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:57:38,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:57:38,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:57:38,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:57:38,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:57:38,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:57:38,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:57:38,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:57:38,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:57:38,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:57:38,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:57:38,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:57:38,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:57:38,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:57:38,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:57:38,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:57:38,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:57:38,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:57:38,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:57:38,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:57:38,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:57:38,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:57:38,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:57:38,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:57:38,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:57:38,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:57:38,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:57:38,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:57:38,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:57:38,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:57:38,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:57:38,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:57:38,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:57:38,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:57:38,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:57:38,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:57:38,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:57:38,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:57:38,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:57:38,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:57:38,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:57:38,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:57:38,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:57:38,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:57:38,137 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:57:38,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:57:38,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:57:38,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:57:38,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:57:38,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:57:38,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:57:38,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:57:38,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:57:38,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:57:38,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:57:38,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:57:38,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:57:38,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:57:38,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:57:38,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:57:38,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:57:38,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:38,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:57:38,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:57:38,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:57:38,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:57:38,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:57:38,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:57:38,146 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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2019-11-19 18:57:38,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:57:38,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:57:38,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:57:38,503 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:57:38,504 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:57:38,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-19 18:57:38,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d797244f/f3c34114e9b84173bc06a6832e2496d6/FLAG5658fdc9b [2019-11-19 18:57:39,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:57:39,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-19 18:57:39,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d797244f/f3c34114e9b84173bc06a6832e2496d6/FLAG5658fdc9b [2019-11-19 18:57:39,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d797244f/f3c34114e9b84173bc06a6832e2496d6 [2019-11-19 18:57:39,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:57:39,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:57:39,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:39,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:57:39,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:57:39,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:39" (1/1) ... [2019-11-19 18:57:39,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c5ea0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:39, skipping insertion in model container [2019-11-19 18:57:39,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:39" (1/1) ... [2019-11-19 18:57:39,457 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:57:39,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:57:40,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:40,056 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:57:40,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:40,205 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:57:40,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40 WrapperNode [2019-11-19 18:57:40,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:40,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:40,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:57:40,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:57:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:40,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:57:40,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:57:40,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:57:40,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... [2019-11-19 18:57:40,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:57:40,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:57:40,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:57:40,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:57:40,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:57:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:57:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:57:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:57:41,267 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:57:41,268 INFO L285 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-19 18:57:41,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:41 BoogieIcfgContainer [2019-11-19 18:57:41,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:57:41,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:57:41,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:57:41,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:57:41,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:57:39" (1/3) ... [2019-11-19 18:57:41,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c6c197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:41, skipping insertion in model container [2019-11-19 18:57:41,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:40" (2/3) ... [2019-11-19 18:57:41,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c6c197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:41, skipping insertion in model container [2019-11-19 18:57:41,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:41" (3/3) ... [2019-11-19 18:57:41,281 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-11-19 18:57:41,292 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:57:41,300 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:57:41,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:57:41,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:57:41,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:57:41,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:57:41,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:57:41,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:57:41,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:57:41,336 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:57:41,336 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:57:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-19 18:57:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 18:57:41,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:41,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:41,364 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:41,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2019-11-19 18:57:41,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:41,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950472379] [2019-11-19 18:57:41,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:41,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950472379] [2019-11-19 18:57:41,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:41,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:41,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767934655] [2019-11-19 18:57:41,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:57:41,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:41,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:57:41,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:57:41,684 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-19 18:57:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:41,720 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-19 18:57:41,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:57:41,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 18:57:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:41,735 INFO L225 Difference]: With dead ends: 228 [2019-11-19 18:57:41,736 INFO L226 Difference]: Without dead ends: 113 [2019-11-19 18:57:41,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:57:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-19 18:57:41,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-19 18:57:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-19 18:57:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-19 18:57:41,792 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-11-19 18:57:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:41,793 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-19 18:57:41,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:57:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-19 18:57:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:57:41,795 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:41,796 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:41,796 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:41,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2019-11-19 18:57:41,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:41,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542962340] [2019-11-19 18:57:41,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:41,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542962340] [2019-11-19 18:57:41,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:41,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:41,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878235699] [2019-11-19 18:57:41,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:41,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:41,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:41,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:41,903 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-19 18:57:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:41,918 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-19 18:57:41,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:41,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 18:57:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:41,920 INFO L225 Difference]: With dead ends: 113 [2019-11-19 18:57:41,920 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 18:57:41,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 18:57:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 18:57:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 18:57:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-19 18:57:41,930 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-19 18:57:41,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:41,930 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-19 18:57:41,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-19 18:57:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 18:57:41,932 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:41,932 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:41,933 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:41,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:41,933 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2019-11-19 18:57:41,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:41,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997415626] [2019-11-19 18:57:41,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:42,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997415626] [2019-11-19 18:57:42,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:42,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:42,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249067503] [2019-11-19 18:57:42,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:42,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:42,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:42,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:42,042 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-19 18:57:42,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:42,079 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-19 18:57:42,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:42,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 18:57:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:42,081 INFO L225 Difference]: With dead ends: 88 [2019-11-19 18:57:42,081 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 18:57:42,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 18:57:42,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 18:57:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 18:57:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-19 18:57:42,090 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-19 18:57:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:42,094 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-19 18:57:42,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-19 18:57:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 18:57:42,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:42,095 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] [2019-11-19 18:57:42,096 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:42,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2019-11-19 18:57:42,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:42,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140286739] [2019-11-19 18:57:42,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:42,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140286739] [2019-11-19 18:57:42,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:42,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:42,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151786949] [2019-11-19 18:57:42,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:42,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:42,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:42,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:42,238 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-19 18:57:42,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:42,277 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-11-19 18:57:42,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:42,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 18:57:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:42,278 INFO L225 Difference]: With dead ends: 111 [2019-11-19 18:57:42,279 INFO L226 Difference]: Without dead ends: 70 [2019-11-19 18:57:42,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:42,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-19 18:57:42,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-11-19 18:57:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-19 18:57:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-19 18:57:42,289 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-11-19 18:57:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:42,289 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-19 18:57:42,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-19 18:57:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 18:57:42,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:42,293 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, 1, 1] [2019-11-19 18:57:42,294 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:42,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:42,294 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2019-11-19 18:57:42,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:42,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206581198] [2019-11-19 18:57:42,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:42,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206581198] [2019-11-19 18:57:42,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:42,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:42,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165731561] [2019-11-19 18:57:42,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:42,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:42,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:42,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:42,382 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-11-19 18:57:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:42,508 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-11-19 18:57:42,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:57:42,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 18:57:42,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:42,510 INFO L225 Difference]: With dead ends: 183 [2019-11-19 18:57:42,510 INFO L226 Difference]: Without dead ends: 121 [2019-11-19 18:57:42,511 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 [2019-11-19 18:57:42,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-19 18:57:42,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-11-19 18:57:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-19 18:57:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-11-19 18:57:42,522 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-11-19 18:57:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:42,523 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-11-19 18:57:42,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-11-19 18:57:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 18:57:42,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:42,525 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, 1, 1] [2019-11-19 18:57:42,525 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:42,525 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2019-11-19 18:57:42,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:42,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751776997] [2019-11-19 18:57:42,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:42,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751776997] [2019-11-19 18:57:42,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:42,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:42,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777397811] [2019-11-19 18:57:42,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:42,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:42,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:42,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:42,619 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-11-19 18:57:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:42,772 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-11-19 18:57:42,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:57:42,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 18:57:42,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:42,779 INFO L225 Difference]: With dead ends: 373 [2019-11-19 18:57:42,779 INFO L226 Difference]: Without dead ends: 305 [2019-11-19 18:57:42,781 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:57:42,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-11-19 18:57:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-11-19 18:57:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-19 18:57:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-11-19 18:57:42,818 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-11-19 18:57:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:42,818 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-11-19 18:57:42,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-11-19 18:57:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 18:57:42,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:42,824 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, 1, 1, 1] [2019-11-19 18:57:42,824 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:42,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:42,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2019-11-19 18:57:42,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:42,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272952666] [2019-11-19 18:57:42,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:42,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272952666] [2019-11-19 18:57:42,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:42,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:42,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518475248] [2019-11-19 18:57:42,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:42,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:42,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:42,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:42,898 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-11-19 18:57:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:43,087 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-11-19 18:57:43,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:57:43,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 18:57:43,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:43,094 INFO L225 Difference]: With dead ends: 628 [2019-11-19 18:57:43,095 INFO L226 Difference]: Without dead ends: 560 [2019-11-19 18:57:43,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:57:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-19 18:57:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-11-19 18:57:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-19 18:57:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-11-19 18:57:43,153 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-11-19 18:57:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:43,154 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-11-19 18:57:43,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-11-19 18:57:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 18:57:43,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:43,161 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, 1, 1, 1] [2019-11-19 18:57:43,162 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:43,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:43,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2019-11-19 18:57:43,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:43,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770148326] [2019-11-19 18:57:43,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:43,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770148326] [2019-11-19 18:57:43,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:43,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:43,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185026091] [2019-11-19 18:57:43,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:57:43,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:43,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:57:43,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:57:43,245 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-11-19 18:57:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:43,318 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-11-19 18:57:43,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:57:43,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-19 18:57:43,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:43,321 INFO L225 Difference]: With dead ends: 448 [2019-11-19 18:57:43,321 INFO L226 Difference]: Without dead ends: 318 [2019-11-19 18:57:43,322 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 [2019-11-19 18:57:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-19 18:57:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-11-19 18:57:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-19 18:57:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-11-19 18:57:43,344 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-11-19 18:57:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:43,345 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-11-19 18:57:43,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:57:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-11-19 18:57:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 18:57:43,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:43,349 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, 1, 1, 1] [2019-11-19 18:57:43,349 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:43,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:43,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2019-11-19 18:57:43,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:43,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203450985] [2019-11-19 18:57:43,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:43,444 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203450985] [2019-11-19 18:57:43,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:43,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:43,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484042901] [2019-11-19 18:57:43,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:43,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:43,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:43,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:43,448 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 5 states. [2019-11-19 18:57:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:43,615 INFO L93 Difference]: Finished difference Result 461 states and 637 transitions. [2019-11-19 18:57:43,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:57:43,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 18:57:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:43,618 INFO L225 Difference]: With dead ends: 461 [2019-11-19 18:57:43,618 INFO L226 Difference]: Without dead ends: 292 [2019-11-19 18:57:43,620 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:57:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-11-19 18:57:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 160. [2019-11-19 18:57:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 18:57:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-11-19 18:57:43,641 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-11-19 18:57:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:43,643 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-11-19 18:57:43,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-11-19 18:57:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 18:57:43,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:43,648 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, 1, 1, 1] [2019-11-19 18:57:43,648 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:43,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2019-11-19 18:57:43,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:43,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329301714] [2019-11-19 18:57:43,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:43,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329301714] [2019-11-19 18:57:43,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:43,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:57:43,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984969671] [2019-11-19 18:57:43,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:57:43,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:43,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:57:43,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:57:43,762 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 6 states. [2019-11-19 18:57:43,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:43,873 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-11-19 18:57:43,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:57:43,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-19 18:57:43,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:43,876 INFO L225 Difference]: With dead ends: 434 [2019-11-19 18:57:43,876 INFO L226 Difference]: Without dead ends: 280 [2019-11-19 18:57:43,877 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:57:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-19 18:57:43,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-11-19 18:57:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 18:57:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-11-19 18:57:43,899 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-11-19 18:57:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:43,899 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-11-19 18:57:43,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:57:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-11-19 18:57:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 18:57:43,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:43,900 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] [2019-11-19 18:57:43,900 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:43,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:43,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2019-11-19 18:57:43,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:43,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993074269] [2019-11-19 18:57:43,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:43,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993074269] [2019-11-19 18:57:43,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:43,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:43,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735371011] [2019-11-19 18:57:43,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:43,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:43,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:43,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:43,962 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-11-19 18:57:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:44,117 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-11-19 18:57:44,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 18:57:44,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-19 18:57:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:44,121 INFO L225 Difference]: With dead ends: 822 [2019-11-19 18:57:44,121 INFO L226 Difference]: Without dead ends: 668 [2019-11-19 18:57:44,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:57:44,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-11-19 18:57:44,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-11-19 18:57:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-19 18:57:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-11-19 18:57:44,169 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-11-19 18:57:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:44,169 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-11-19 18:57:44,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-11-19 18:57:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 18:57:44,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:44,170 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-11-19 18:57:44,171 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:44,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2019-11-19 18:57:44,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:44,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646976866] [2019-11-19 18:57:44,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 18:57:44,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646976866] [2019-11-19 18:57:44,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277438979] [2019-11-19 18:57:44,254 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 [2019-11-19 18:57:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:44,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 18:57:44,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:57:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 18:57:44,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:57:44,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-19 18:57:44,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775919689] [2019-11-19 18:57:44,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 18:57:44,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:44,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 18:57:44,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 18:57:44,481 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-11-19 18:57:44,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:44,918 INFO L93 Difference]: Finished difference Result 963 states and 1216 transitions. [2019-11-19 18:57:44,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 18:57:44,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-19 18:57:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:44,924 INFO L225 Difference]: With dead ends: 963 [2019-11-19 18:57:44,924 INFO L226 Difference]: Without dead ends: 657 [2019-11-19 18:57:44,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-11-19 18:57:44,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-19 18:57:44,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 296. [2019-11-19 18:57:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-19 18:57:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-11-19 18:57:44,975 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-11-19 18:57:44,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:44,976 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-11-19 18:57:44,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 18:57:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-11-19 18:57:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 18:57:44,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:44,978 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1] [2019-11-19 18:57:45,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:57:45,183 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:45,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:45,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2019-11-19 18:57:45,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:45,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322788638] [2019-11-19 18:57:45,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 18:57:45,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322788638] [2019-11-19 18:57:45,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:45,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:45,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613491085] [2019-11-19 18:57:45,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:57:45,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:57:45,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:57:45,252 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-11-19 18:57:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:45,447 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-11-19 18:57:45,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 18:57:45,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-19 18:57:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:45,448 INFO L225 Difference]: With dead ends: 737 [2019-11-19 18:57:45,448 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:57:45,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-19 18:57:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:57:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:57:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:57:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:57:45,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-19 18:57:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:45,451 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:57:45,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:57:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:57:45,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:57:45,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:57:46,201 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 201 [2019-11-19 18:57:46,756 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 181 [2019-11-19 18:57:47,044 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 151 [2019-11-19 18:57:47,162 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-11-19 18:57:47,782 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2019-11-19 18:57:48,361 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 199 [2019-11-19 18:57:48,524 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 150 [2019-11-19 18:57:48,645 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 143 [2019-11-19 18:57:50,203 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2019-11-19 18:57:51,470 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2019-11-19 18:57:52,486 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2019-11-19 18:57:53,160 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-11-19 18:57:54,640 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 200 DAG size of output: 29 [2019-11-19 18:57:54,864 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2019-11-19 18:57:55,007 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-11-19 18:57:56,523 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 37 [2019-11-19 18:57:57,254 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 35 [2019-11-19 18:57:57,940 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-11-19 18:57:58,123 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-11-19 18:57:58,575 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2019-11-19 18:57:58,580 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,580 INFO L440 ceAbstractionStarter]: At program point L268(lines 261 271) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))))) (or (and (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0)) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)))) [2019-11-19 18:57:58,581 INFO L440 ceAbstractionStarter]: At program point L268-1(lines 261 271) the Hoare annotation is: false [2019-11-19 18:57:58,581 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,581 INFO L440 ceAbstractionStarter]: At program point L268-2(lines 261 271) the Hoare annotation is: false [2019-11-19 18:57:58,581 INFO L444 ceAbstractionStarter]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,581 INFO L444 ceAbstractionStarter]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,581 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-19 18:57:58,581 INFO L444 ceAbstractionStarter]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,582 INFO L440 ceAbstractionStarter]: At program point L103-1(lines 103 109) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 (= ~pumpRunning~0 0) .cse7)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse7)))) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) .cse5) (and .cse5 .cse2 .cse3 .cse4)))) [2019-11-19 18:57:58,582 INFO L444 ceAbstractionStarter]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,582 INFO L444 ceAbstractionStarter]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-19 18:57:58,582 INFO L440 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: false [2019-11-19 18:57:58,582 INFO L444 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-19 18:57:58,582 INFO L444 ceAbstractionStarter]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-19 18:57:58,584 INFO L444 ceAbstractionStarter]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-19 18:57:58,584 INFO L444 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2019-11-19 18:57:58,584 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:58,584 INFO L440 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (and .cse8 (= ~pumpRunning~0 0) .cse9))) (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (<= ~waterLevel~0 1) .cse3)) (.cse6 (and .cse0 .cse1 (and (= ~pumpRunning~0 1) (and .cse8 .cse2 .cse9)))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 (and .cse2 .cse3)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and .cse5 .cse6) (and .cse5 .cse7) (and .cse7 .cse4) (and .cse6 .cse4))))) [2019-11-19 18:57:58,584 INFO L440 ceAbstractionStarter]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-19 18:57:58,584 INFO L440 ceAbstractionStarter]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-19 18:57:58,584 INFO L444 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,584 INFO L444 ceAbstractionStarter]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L900-2(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L900-3(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L900-4(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L900-5(lines 900 906) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L735-1(lines 166 172) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L440 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: false [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L444 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2019-11-19 18:57:58,585 INFO L447 ceAbstractionStarter]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2019-11-19 18:57:58,586 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L277(lines 272 280) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L905(lines 896 909) the Hoare annotation is: false [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L905-1(lines 896 909) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (and .cse4 .cse5 .cse6))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and .cse4 (<= ~waterLevel~0 1) .cse5 .cse6)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse3 .cse0) (and .cse3 .cse2)))) [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L905-2(lines 896 909) the Hoare annotation is: false [2019-11-19 18:57:58,586 INFO L440 ceAbstractionStarter]: At program point L905-3(lines 896 909) the Hoare annotation is: false [2019-11-19 18:57:58,587 INFO L440 ceAbstractionStarter]: At program point L905-4(lines 896 909) the Hoare annotation is: false [2019-11-19 18:57:58,587 INFO L440 ceAbstractionStarter]: At program point L905-5(lines 896 909) the Hoare annotation is: false [2019-11-19 18:57:58,587 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-11-19 18:57:58,587 INFO L440 ceAbstractionStarter]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 18:57:58,587 INFO L447 ceAbstractionStarter]: At program point L811(lines 792 814) the Hoare annotation is: true [2019-11-19 18:57:58,587 INFO L440 ceAbstractionStarter]: At program point L779(lines 775 781) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:58,587 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:57:58,587 INFO L444 ceAbstractionStarter]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-19 18:57:58,587 INFO L444 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L715-2(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:57:58,588 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L920-2(lines 920 940) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L920-4(lines 920 940) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,589 INFO L444 ceAbstractionStarter]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,590 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2019-11-19 18:57:58,590 INFO L444 ceAbstractionStarter]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,590 INFO L444 ceAbstractionStarter]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,590 INFO L444 ceAbstractionStarter]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,590 INFO L444 ceAbstractionStarter]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-19 18:57:58,591 INFO L444 ceAbstractionStarter]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-19 18:57:58,592 INFO L444 ceAbstractionStarter]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-11-19 18:57:58,592 INFO L444 ceAbstractionStarter]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-11-19 18:57:58,592 INFO L444 ceAbstractionStarter]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-11-19 18:57:58,592 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2019-11-19 18:57:58,592 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:58,593 INFO L440 ceAbstractionStarter]: At program point L131-2(lines 166 172) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 18:57:58,593 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,594 INFO L444 ceAbstractionStarter]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse1) .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse4 (and (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))))) [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L892-1(lines 887 895) the Hoare annotation is: false [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L892-2(lines 887 895) the Hoare annotation is: false [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 18:57:58,595 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-19 18:57:58,595 INFO L440 ceAbstractionStarter]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-19 18:57:58,596 INFO L444 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-11-19 18:57:58,596 INFO L440 ceAbstractionStarter]: At program point L926-1(lines 1 943) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse11 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse12 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse14 (and .cse7 .cse8 .cse9))) (let ((.cse3 (and (<= ~waterLevel~0 1) .cse14)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse10 (and .cse11 .cse12 (and (= ~pumpRunning~0 1) (and .cse7 .cse13 .cse9))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and (and .cse7 (= 1 ~waterLevel~0) .cse8 .cse9) .cse0) (and .cse10 .cse4 .cse5 .cse6) (and .cse4 (and .cse11 .cse12 (and .cse13 .cse14)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse10))))) [2019-11-19 18:57:58,596 INFO L440 ceAbstractionStarter]: At program point L860(lines 855 863) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))))) (or (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)))) [2019-11-19 18:57:58,596 INFO L444 ceAbstractionStarter]: For program point L926-2(lines 926 939) no Hoare annotation was computed. [2019-11-19 18:57:58,597 INFO L440 ceAbstractionStarter]: At program point L860-1(lines 855 863) the Hoare annotation is: (let ((.cse10 (= 1 ~systemActive~0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse5 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (and .cse10 (= ~pumpRunning~0 0) .cse11))) (let ((.cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (and (<= ~waterLevel~0 1) .cse4)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (and .cse10 .cse5 .cse3 .cse6 (= ~pumpRunning~0 1) .cse11)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2) (and .cse1 (and (and .cse3 .cse4) .cse5 .cse6) .cse2) (and .cse7 .cse8 .cse9) (and .cse1 .cse9 .cse2) (and .cse7 .cse0 .cse8))))) [2019-11-19 18:57:58,597 INFO L440 ceAbstractionStarter]: At program point L926-3(lines 1 943) the Hoare annotation is: false [2019-11-19 18:57:58,597 INFO L440 ceAbstractionStarter]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-11-19 18:57:58,597 INFO L444 ceAbstractionStarter]: For program point L926-4(lines 926 939) no Hoare annotation was computed. [2019-11-19 18:57:58,597 INFO L440 ceAbstractionStarter]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2019-11-19 18:57:58,598 INFO L440 ceAbstractionStarter]: At program point L926-5(lines 1 943) the Hoare annotation is: false [2019-11-19 18:57:58,598 INFO L440 ceAbstractionStarter]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2019-11-19 18:57:58,598 INFO L440 ceAbstractionStarter]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2019-11-19 18:57:58,598 INFO L440 ceAbstractionStarter]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-19 18:57:58,599 INFO L440 ceAbstractionStarter]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse12 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse4 (not .cse12)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse5 (not .cse13)) (.cse8 (= 1 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse12 .cse8 .cse13 .cse11 .cse9 .cse10)) (.cse2 (and .cse4 (and .cse7 (and .cse8 .cse11 .cse9 .cse10)) .cse5)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 (and .cse8 .cse9 .cse10)))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse2 .cse3) (and (and .cse4 .cse5 .cse6) .cse3) (and .cse1 .cse4 .cse5 .cse6))))) [2019-11-19 18:57:58,599 INFO L440 ceAbstractionStarter]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-19 18:57:58,599 INFO L440 ceAbstractionStarter]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-19 18:57:58,599 INFO L440 ceAbstractionStarter]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-19 18:57:58,599 INFO L440 ceAbstractionStarter]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-19 18:57:58,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:57:58 BoogieIcfgContainer [2019-11-19 18:57:58,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:57:58,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:57:58,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:57:58,640 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:57:58,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:41" (3/4) ... [2019-11-19 18:57:58,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:57:58,669 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:57:58,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 18:57:58,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 18:57:58,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 18:57:58,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:57:58,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:57:58,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical)) || (((1 <= tmp && (!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) [2019-11-19 18:57:58,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,711 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || ((1 <= \result && ((0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= \result && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && ((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 0 == \result) [2019-11-19 18:57:58,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((\result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 18:57:58,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) [2019-11-19 18:57:58,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:57:58,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter [2019-11-19 18:57:58,811 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:57:58,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:57:58,814 INFO L168 Benchmark]: Toolchain (without parser) took 19373.87 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 495.5 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -235.7 MB). Peak memory consumption was 259.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,814 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:58,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,816 INFO L168 Benchmark]: Boogie Preprocessor took 47.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:58,816 INFO L168 Benchmark]: RCFGBuilder took 913.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,817 INFO L168 Benchmark]: TraceAbstraction took 17366.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.1 MB). Peak memory consumption was 510.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,818 INFO L168 Benchmark]: Witness Printer took 172.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:58,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 913.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17366.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.1 MB). Peak memory consumption was 510.7 MB. Max. memory is 11.5 GB. * Witness Printer took 172.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: 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: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((\result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical)) || (((1 <= tmp && (!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || ((1 <= \result && ((0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= \result && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && ((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 0 == \result) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 17.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.1s, HoareTripleCheckerStatistics: 1346 SDtfs, 2048 SDslu, 2652 SDs, 0 SdLazy, 395 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1724 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 263 NumberOfFragments, 1291 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3516707 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 911972 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 38310 SizeOfPredicates, 4 NumberOfNonLiveVariables, 411 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 50/58 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...