./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_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 0.1.25-f470102 [2019-11-28 17:25:59,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:59,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:59,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:59,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:00,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:00,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:00,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:00,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:00,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:00,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:00,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:00,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:00,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:00,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:00,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:00,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:00,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:00,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:00,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:00,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:00,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:00,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:00,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:00,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:00,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:00,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:00,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:00,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:00,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:00,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:00,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:00,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:00,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:00,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:00,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:00,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:00,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:00,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:00,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:00,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:00,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:00,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:00,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:00,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:00,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:00,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:00,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:00,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:00,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:00,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:00,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:00,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:00,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:00,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:00,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:00,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:00,099 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:00,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:00,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:00,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:00,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:00,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:00,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:00,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:00,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:00,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:00,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:00,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:00,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:00,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:00,103 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 [2019-11-28 17:26:00,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:00,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:00,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:00,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:00,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:00,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-28 17:26:00,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d61fae4/20e087cdd10d483592d183f7edbce999/FLAG99bf93cd4 [2019-11-28 17:26:01,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:01,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-28 17:26:01,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d61fae4/20e087cdd10d483592d183f7edbce999/FLAG99bf93cd4 [2019-11-28 17:26:01,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d61fae4/20e087cdd10d483592d183f7edbce999 [2019-11-28 17:26:01,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:01,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:01,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:01,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:01,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:01,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:01" (1/1) ... [2019-11-28 17:26:01,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5596f513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:01, skipping insertion in model container [2019-11-28 17:26:01,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:01" (1/1) ... [2019-11-28 17:26:01,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:01,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:01,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:01,987 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:02,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:02,120 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:02,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02 WrapperNode [2019-11-28 17:26:02,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:02,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:02,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:02,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:02,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:02,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:02,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:02,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:02,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... [2019-11-28 17:26:02,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:02,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:02,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:02,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:02,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:03,376 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:03,377 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-28 17:26:03,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:03 BoogieIcfgContainer [2019-11-28 17:26:03,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:03,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:03,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:03,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:03,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:01" (1/3) ... [2019-11-28 17:26:03,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2057422d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:03, skipping insertion in model container [2019-11-28 17:26:03,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:02" (2/3) ... [2019-11-28 17:26:03,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2057422d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:03, skipping insertion in model container [2019-11-28 17:26:03,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:03" (3/3) ... [2019-11-28 17:26:03,389 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-11-28 17:26:03,401 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:03,409 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:03,423 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:03,452 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:03,452 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:03,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:03,453 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:03,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:03,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:03,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:03,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 17:26:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:26:03,486 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:03,487 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:03,488 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:03,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2019-11-28 17:26:03,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:03,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506488478] [2019-11-28 17:26:03,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:03,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506488478] [2019-11-28 17:26:03,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:03,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:03,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609554899] [2019-11-28 17:26:03,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:03,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:03,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:03,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:03,805 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 17:26:03,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:03,845 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-28 17:26:03,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:03,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:26:03,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:03,862 INFO L225 Difference]: With dead ends: 228 [2019-11-28 17:26:03,863 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 17:26:03,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 17:26:03,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 17:26:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 17:26:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-28 17:26:03,914 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-11-28 17:26:03,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:03,914 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-28 17:26:03,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-28 17:26:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:26:03,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:03,916 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:03,917 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:03,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2019-11-28 17:26:03,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:03,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052570749] [2019-11-28 17:26:03,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:04,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052570749] [2019-11-28 17:26:04,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:04,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:04,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336112904] [2019-11-28 17:26:04,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:04,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:04,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:04,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,052 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-28 17:26:04,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:04,090 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 17:26:04,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:04,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:26:04,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:04,096 INFO L225 Difference]: With dead ends: 113 [2019-11-28 17:26:04,096 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:26:04,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:26:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:26:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:26:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-28 17:26:04,105 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-28 17:26:04,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:04,105 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-28 17:26:04,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-28 17:26:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:04,107 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:04,107 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:04,107 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:04,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:04,108 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2019-11-28 17:26:04,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:04,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41621953] [2019-11-28 17:26:04,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:04,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41621953] [2019-11-28 17:26:04,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:04,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:04,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268369840] [2019-11-28 17:26:04,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:04,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:04,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:04,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,241 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-28 17:26:04,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:04,279 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-28 17:26:04,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:04,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:26:04,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:04,282 INFO L225 Difference]: With dead ends: 88 [2019-11-28 17:26:04,282 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:26:04,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:26:04,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:26:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:26:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 17:26:04,290 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-28 17:26:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:04,291 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 17:26:04,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 17:26:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:26:04,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:04,293 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] [2019-11-28 17:26:04,293 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:04,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:04,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2019-11-28 17:26:04,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:04,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436611640] [2019-11-28 17:26:04,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:04,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436611640] [2019-11-28 17:26:04,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:04,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:04,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101670543] [2019-11-28 17:26:04,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:04,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:04,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:04,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,403 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-28 17:26:04,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:04,475 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-11-28 17:26:04,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:04,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:26:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:04,479 INFO L225 Difference]: With dead ends: 111 [2019-11-28 17:26:04,479 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 17:26:04,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:04,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 17:26:04,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-11-28 17:26:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 17:26:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-28 17:26:04,489 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-11-28 17:26:04,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:04,490 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-28 17:26:04,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-28 17:26:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:04,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:04,492 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] [2019-11-28 17:26:04,492 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:04,493 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2019-11-28 17:26:04,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:04,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175547533] [2019-11-28 17:26:04,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:04,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175547533] [2019-11-28 17:26:04,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:04,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:04,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954948870] [2019-11-28 17:26:04,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:04,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:04,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:04,593 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-11-28 17:26:04,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:04,817 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-11-28 17:26:04,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:26:04,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:04,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:04,820 INFO L225 Difference]: With dead ends: 183 [2019-11-28 17:26:04,820 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 17:26:04,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:04,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 17:26:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-11-28 17:26:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-28 17:26:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-11-28 17:26:04,845 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-11-28 17:26:04,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:04,845 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-11-28 17:26:04,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-11-28 17:26:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:04,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:04,851 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] [2019-11-28 17:26:04,851 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:04,852 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2019-11-28 17:26:04,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:04,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980262009] [2019-11-28 17:26:04,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:04,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980262009] [2019-11-28 17:26:04,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:04,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:04,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81421207] [2019-11-28 17:26:04,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:04,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:04,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:04,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:04,966 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-11-28 17:26:05,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:05,110 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-11-28 17:26:05,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:05,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:05,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:05,113 INFO L225 Difference]: With dead ends: 373 [2019-11-28 17:26:05,114 INFO L226 Difference]: Without dead ends: 305 [2019-11-28 17:26:05,115 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 [2019-11-28 17:26:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-11-28 17:26:05,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-11-28 17:26:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-28 17:26:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-11-28 17:26:05,159 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-11-28 17:26:05,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:05,160 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-11-28 17:26:05,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-11-28 17:26:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:05,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:05,161 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] [2019-11-28 17:26:05,162 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:05,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:05,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2019-11-28 17:26:05,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:05,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603658550] [2019-11-28 17:26:05,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:05,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603658550] [2019-11-28 17:26:05,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:05,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:05,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031438236] [2019-11-28 17:26:05,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:05,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:05,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:05,262 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-11-28 17:26:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:05,482 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-11-28 17:26:05,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:26:05,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:26:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:05,487 INFO L225 Difference]: With dead ends: 628 [2019-11-28 17:26:05,488 INFO L226 Difference]: Without dead ends: 560 [2019-11-28 17:26:05,489 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 [2019-11-28 17:26:05,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-28 17:26:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-11-28 17:26:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-28 17:26:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-11-28 17:26:05,523 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-11-28 17:26:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:05,524 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-11-28 17:26:05,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-11-28 17:26:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:05,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:05,526 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] [2019-11-28 17:26:05,527 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:05,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2019-11-28 17:26:05,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:05,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000076972] [2019-11-28 17:26:05,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:05,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000076972] [2019-11-28 17:26:05,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:05,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:05,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815000206] [2019-11-28 17:26:05,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:26:05,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:05,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:26:05,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:26:05,580 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-11-28 17:26:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:05,648 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-11-28 17:26:05,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:05,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 17:26:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:05,651 INFO L225 Difference]: With dead ends: 448 [2019-11-28 17:26:05,651 INFO L226 Difference]: Without dead ends: 318 [2019-11-28 17:26:05,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:05,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-28 17:26:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-11-28 17:26:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-28 17:26:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-11-28 17:26:05,671 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-11-28 17:26:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:05,672 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-11-28 17:26:05,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:26:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-11-28 17:26:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:05,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:05,674 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] [2019-11-28 17:26:05,674 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:05,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2019-11-28 17:26:05,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:05,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466985529] [2019-11-28 17:26:05,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:05,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466985529] [2019-11-28 17:26:05,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:05,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:05,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548143967] [2019-11-28 17:26:05,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:05,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:05,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:05,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:05,739 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 5 states. [2019-11-28 17:26:05,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:05,908 INFO L93 Difference]: Finished difference Result 461 states and 637 transitions. [2019-11-28 17:26:05,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:05,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:26:05,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:05,911 INFO L225 Difference]: With dead ends: 461 [2019-11-28 17:26:05,911 INFO L226 Difference]: Without dead ends: 292 [2019-11-28 17:26:05,912 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 [2019-11-28 17:26:05,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-11-28 17:26:05,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 160. [2019-11-28 17:26:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-28 17:26:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-11-28 17:26:05,934 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-11-28 17:26:05,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:05,934 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-11-28 17:26:05,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-11-28 17:26:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:05,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:05,937 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] [2019-11-28 17:26:05,938 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:05,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2019-11-28 17:26:05,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:05,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258523176] [2019-11-28 17:26:05,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:06,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258523176] [2019-11-28 17:26:06,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:06,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:26:06,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579289435] [2019-11-28 17:26:06,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:06,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:06,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:06,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:06,037 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 6 states. [2019-11-28 17:26:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:06,139 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-11-28 17:26:06,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:26:06,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 17:26:06,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:06,141 INFO L225 Difference]: With dead ends: 434 [2019-11-28 17:26:06,141 INFO L226 Difference]: Without dead ends: 280 [2019-11-28 17:26:06,142 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 [2019-11-28 17:26:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-28 17:26:06,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-11-28 17:26:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-28 17:26:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-11-28 17:26:06,164 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-11-28 17:26:06,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:06,165 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-11-28 17:26:06,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-11-28 17:26:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 17:26:06,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:06,166 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:06,167 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:06,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:06,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2019-11-28 17:26:06,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:06,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708841409] [2019-11-28 17:26:06,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:06,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708841409] [2019-11-28 17:26:06,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:06,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:06,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863244168] [2019-11-28 17:26:06,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:06,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:06,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:06,226 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-11-28 17:26:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:06,376 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-11-28 17:26:06,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:06,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-28 17:26:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:06,380 INFO L225 Difference]: With dead ends: 822 [2019-11-28 17:26:06,381 INFO L226 Difference]: Without dead ends: 668 [2019-11-28 17:26:06,382 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 [2019-11-28 17:26:06,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-11-28 17:26:06,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-11-28 17:26:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-28 17:26:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-11-28 17:26:06,425 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-11-28 17:26:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:06,426 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-11-28 17:26:06,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-11-28 17:26:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-28 17:26:06,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:06,427 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] [2019-11-28 17:26:06,427 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:06,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2019-11-28 17:26:06,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:06,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328250368] [2019-11-28 17:26:06,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 17:26:06,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328250368] [2019-11-28 17:26:06,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294109230] [2019-11-28 17:26:06,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:26:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:06,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:26:06,657 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:26:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:26:06,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:26:06,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 17:26:06,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903720637] [2019-11-28 17:26:06,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 17:26:06,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 17:26:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:26:06,720 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-11-28 17:26:07,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,104 INFO L93 Difference]: Finished difference Result 963 states and 1216 transitions. [2019-11-28 17:26:07,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:26:07,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-28 17:26:07,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,109 INFO L225 Difference]: With dead ends: 963 [2019-11-28 17:26:07,110 INFO L226 Difference]: Without dead ends: 657 [2019-11-28 17:26:07,111 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 [2019-11-28 17:26:07,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-28 17:26:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 296. [2019-11-28 17:26:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-28 17:26:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-11-28 17:26:07,154 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-11-28 17:26:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,155 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-11-28 17:26:07,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 17:26:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-11-28 17:26:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 17:26:07,157 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:07,157 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] [2019-11-28 17:26:07,362 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:26:07,363 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2019-11-28 17:26:07,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:07,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362622975] [2019-11-28 17:26:07,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:26:07,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362622975] [2019-11-28 17:26:07,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:07,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688089827] [2019-11-28 17:26:07,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:07,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:07,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:07,449 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-11-28 17:26:07,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,646 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-11-28 17:26:07,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:26:07,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-28 17:26:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,647 INFO L225 Difference]: With dead ends: 737 [2019-11-28 17:26:07,647 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:07,649 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 [2019-11-28 17:26:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:07,650 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-28 17:26:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,651 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:07,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:07,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:07,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:08,659 WARN L192 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 201 [2019-11-28 17:26:09,354 WARN L192 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 181 [2019-11-28 17:26:09,704 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 151 [2019-11-28 17:26:09,843 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-11-28 17:26:10,603 WARN L192 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2019-11-28 17:26:11,239 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 199 [2019-11-28 17:26:11,428 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 150 [2019-11-28 17:26:11,558 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 143 [2019-11-28 17:26:13,218 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2019-11-28 17:26:14,672 WARN L192 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2019-11-28 17:26:15,740 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2019-11-28 17:26:16,421 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-11-28 17:26:18,049 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 200 DAG size of output: 29 [2019-11-28 17:26:18,280 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2019-11-28 17:26:18,426 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-11-28 17:26:19,956 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 37 [2019-11-28 17:26:20,692 WARN L192 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 35 [2019-11-28 17:26:21,417 WARN L192 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-11-28 17:26:21,608 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-11-28 17:26:22,011 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2019-11-28 17:26:22,017 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,018 INFO L242 CegarLoopResult]: At program point L268(lines 261 271) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:26:22,018 INFO L242 CegarLoopResult]: At program point L268-1(lines 261 271) the Hoare annotation is: false [2019-11-28 17:26:22,019 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,019 INFO L242 CegarLoopResult]: At program point L268-2(lines 261 271) the Hoare annotation is: false [2019-11-28 17:26:22,019 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,019 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,019 INFO L246 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-28 17:26:22,019 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,020 INFO L242 CegarLoopResult]: At program point L103-1(lines 103 109) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse8 .cse7 .cse9 .cse3 .cse10) (and .cse0 .cse8 .cse9 .cse2 .cse10 .cse3))) [2019-11-28 17:26:22,020 INFO L246 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,020 INFO L246 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:26:22,020 INFO L242 CegarLoopResult]: At program point L731-2(lines 731 745) the Hoare annotation is: false [2019-11-28 17:26:22,020 INFO L246 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:26:22,020 INFO L246 CegarLoopResult]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:26:22,021 INFO L246 CegarLoopResult]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:26:22,021 INFO L246 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2019-11-28 17:26:22,021 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:22,021 INFO L242 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse6 .cse8) (and .cse0 .cse1 .cse9 .cse7 .cse6) (and .cse0 .cse9 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 17:26:22,021 INFO L242 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-28 17:26:22,021 INFO L242 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-28 17:26:22,021 INFO L246 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L900-2(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L900-3(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L900-4(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L900-5(lines 900 906) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L735-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L242 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: false [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-28 17:26:22,022 INFO L246 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2019-11-28 17:26:22,023 INFO L249 CegarLoopResult]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2019-11-28 17:26:22,023 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,023 INFO L242 CegarLoopResult]: 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)) [2019-11-28 17:26:22,023 INFO L242 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-28 17:26:22,023 INFO L242 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-28 17:26:22,023 INFO L242 CegarLoopResult]: At program point L905(lines 896 909) the Hoare annotation is: false [2019-11-28 17:26:22,023 INFO L242 CegarLoopResult]: At program point L905-1(lines 896 909) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3) (and .cse1 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L905-2(lines 896 909) the Hoare annotation is: false [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L905-3(lines 896 909) the Hoare annotation is: false [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L905-4(lines 896 909) the Hoare annotation is: false [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L905-5(lines 896 909) the Hoare annotation is: false [2019-11-28 17:26:22,024 INFO L246 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 17:26:22,024 INFO L249 CegarLoopResult]: At program point L811(lines 792 814) the Hoare annotation is: true [2019-11-28 17:26:22,024 INFO L242 CegarLoopResult]: At program point L779(lines 775 781) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L715-2(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:26:22,025 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L920-2(lines 920 940) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L920-4(lines 920 940) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,026 INFO L246 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,027 INFO L246 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L246 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2019-11-28 17:26:22,028 INFO L242 CegarLoopResult]: At program point L65(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:22,029 INFO L242 CegarLoopResult]: At program point L131-2(lines 166 172) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,029 INFO L246 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L892-1(lines 887 895) the Hoare annotation is: false [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L892-2(lines 887 895) the Hoare annotation is: false [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 17:26:22,030 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-28 17:26:22,030 INFO L242 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-28 17:26:22,031 INFO L246 CegarLoopResult]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-11-28 17:26:22,031 INFO L242 CegarLoopResult]: At program point L926-1(lines 1 943) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (= ~pumpRunning~0 1)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse13 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse4 .cse9 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse11 .cse12 .cse13 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse7 .cse8) (and .cse0 .cse10 (= 1 ~waterLevel~0) .cse6 .cse7) (and .cse0 .cse10 .cse11 .cse9 .cse6 .cse13 .cse7))) [2019-11-28 17:26:22,031 INFO L242 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:26:22,031 INFO L246 CegarLoopResult]: For program point L926-2(lines 926 939) no Hoare annotation was computed. [2019-11-28 17:26:22,031 INFO L242 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse8 .cse9 .cse10 .cse11 .cse6 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse10 .cse2 .cse11 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse6 .cse4 .cse5 .cse7))) [2019-11-28 17:26:22,031 INFO L242 CegarLoopResult]: At program point L926-3(lines 1 943) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L246 CegarLoopResult]: For program point L926-4(lines 926 939) no Hoare annotation was computed. [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L926-5(lines 1 943) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-28 17:26:22,032 INFO L242 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse10 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse9 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not .cse9)) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not .cse10)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse11 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7) (and .cse9 .cse0 .cse10 .cse5 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse1 .cse10 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11)))) [2019-11-28 17:26:22,033 INFO L242 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-28 17:26:22,033 INFO L242 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-28 17:26:22,033 INFO L242 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-28 17:26:22,033 INFO L242 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-28 17:26:22,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:22 BoogieIcfgContainer [2019-11-28 17:26:22,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:22,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:22,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:22,080 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:22,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:03" (3/4) ... [2019-11-28 17:26:22,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:22,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:22,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:22,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:22,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:22,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:22,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:22,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:22,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((1 == systemActive && 1 <= tmp) && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) [2019-11-28 17:26:22,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) [2019-11-28 17:26:22,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,153 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,153 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,153 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,156 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,157 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) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,157 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,161 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,164 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) && 0 == tmp) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) [2019-11-28 17:26:22,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((\result == 0 && 1 == systemActive) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:26:22,166 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 [2019-11-28 17:26:22,304 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:22,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:22,307 INFO L168 Benchmark]: Toolchain (without parser) took 20910.61 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 544.7 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -246.8 MB). Peak memory consumption was 297.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,307 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:22,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.08 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,309 INFO L168 Benchmark]: Boogie Preprocessor took 61.56 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. [2019-11-28 17:26:22,310 INFO L168 Benchmark]: RCFGBuilder took 1120.40 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: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,310 INFO L168 Benchmark]: TraceAbstraction took 18694.52 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 397.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -170.9 MB). Peak memory consumption was 522.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,311 INFO L168 Benchmark]: Witness Printer took 229.89 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:22,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 719.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.08 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.56 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 1120.40 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: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18694.52 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 397.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -170.9 MB). Peak memory consumption was 522.4 MB. Max. memory is 11.5 GB. * Witness Printer took 229.89 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 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: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 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: (((((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((\result == 0 && 1 == systemActive) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - 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: ((((((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((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: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 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: ((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 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: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) - 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: ((((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((1 == systemActive && 1 <= tmp) && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 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 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - 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: 4.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, HoareTripleCheckerStatistics: 1346 SDtfs, 2048 SDslu, 2652 SDs, 0 SdLazy, 395 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s 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, 1187 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3629791 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 912076 FormulaSimplificationTreeSizeReductionInter, 10.3s 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, 412 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...