./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_spec2_product39.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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:01,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:01,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:01,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:01,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:01,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:01,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:01,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:01,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:01,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:01,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:01,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:01,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:01,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:01,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:01,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:01,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:01,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:01,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:01,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:01,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:01,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:01,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:01,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:02,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:02,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:02,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:02,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:02,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:02,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:02,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:02,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:02,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:02,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:02,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:02,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:02,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:02,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:02,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:02,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:02,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:02,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:02,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:02,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:02,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:02,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:02,031 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:02,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:02,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:02,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:02,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:02,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:02,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:02,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:02,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:02,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:02,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:02,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:02,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:02,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:02,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:02,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:02,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:02,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:02,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:02,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:02,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:02,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:02,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:02,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:02,038 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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2019-11-28 00:21:02,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:02,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:02,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:02,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:02,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:02,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-28 00:21:02,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1873cb1c/19d9cc46bf0d4561b0c620b113c96c7b/FLAG5c45732d3 [2019-11-28 00:21:03,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:03,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-28 00:21:03,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1873cb1c/19d9cc46bf0d4561b0c620b113c96c7b/FLAG5c45732d3 [2019-11-28 00:21:03,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1873cb1c/19d9cc46bf0d4561b0c620b113c96c7b [2019-11-28 00:21:03,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:03,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:03,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:03,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:03,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:03,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03, skipping insertion in model container [2019-11-28 00:21:03,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:03,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:03,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:03,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:03,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:03,934 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:03,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03 WrapperNode [2019-11-28 00:21:03,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:03,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:03,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:03,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:03,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:04,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:04,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:04,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:04,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:04,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:04,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:04,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:04,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:04,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (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 00:21:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:05,109 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:05,110 INFO L297 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 00:21:05,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:05 BoogieIcfgContainer [2019-11-28 00:21:05,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:05,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:05,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:05,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:05,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:03" (1/3) ... [2019-11-28 00:21:05,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b40aaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:05, skipping insertion in model container [2019-11-28 00:21:05,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (2/3) ... [2019-11-28 00:21:05,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b40aaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:05, skipping insertion in model container [2019-11-28 00:21:05,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:05" (3/3) ... [2019-11-28 00:21:05,120 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-11-28 00:21:05,131 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:05,139 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:05,151 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:05,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:05,179 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:05,179 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:05,180 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:05,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:05,181 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:05,181 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:05,181 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 00:21:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:05,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,212 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 00:21:05,213 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2019-11-28 00:21:05,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049156957] [2019-11-28 00:21:05,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,489 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 00:21:05,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049156957] [2019-11-28 00:21:05,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:05,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204907759] [2019-11-28 00:21:05,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:05,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:05,515 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 00:21:05,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,553 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2019-11-28 00:21:05,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:05,555 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:05,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,573 INFO L225 Difference]: With dead ends: 227 [2019-11-28 00:21:05,574 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 00:21:05,580 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 00:21:05,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 00:21:05,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 00:21:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 00:21:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2019-11-28 00:21:05,634 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2019-11-28 00:21:05,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:05,635 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2019-11-28 00:21:05,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2019-11-28 00:21:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:05,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,637 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 00:21:05,638 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2019-11-28 00:21:05,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433653673] [2019-11-28 00:21:05,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,795 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 00:21:05,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433653673] [2019-11-28 00:21:05,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:05,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093296210] [2019-11-28 00:21:05,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:05,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:05,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:05,800 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2019-11-28 00:21:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,816 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2019-11-28 00:21:05,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:05,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,818 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:05,818 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:05,820 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 00:21:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 00:21:05,828 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 00:21:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:05,829 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 00:21:05,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 00:21:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:05,830 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,831 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 00:21:05,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2019-11-28 00:21:05,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669567310] [2019-11-28 00:21:05,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:05,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669567310] [2019-11-28 00:21:05,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:05,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806978331] [2019-11-28 00:21:05,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:05,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:05,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:05,937 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 00:21:05,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,966 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2019-11-28 00:21:05,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:05,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:05,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,970 INFO L225 Difference]: With dead ends: 133 [2019-11-28 00:21:05,971 INFO L226 Difference]: Without dead ends: 91 [2019-11-28 00:21:05,972 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 00:21:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-28 00:21:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2019-11-28 00:21:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 00:21:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2019-11-28 00:21:05,992 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2019-11-28 00:21:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:05,992 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2019-11-28 00:21:05,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2019-11-28 00:21:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:05,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,994 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 00:21:05,994 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2019-11-28 00:21:05,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133686957] [2019-11-28 00:21:05,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,083 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 00:21:06,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133686957] [2019-11-28 00:21:06,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:06,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916416694] [2019-11-28 00:21:06,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:06,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:06,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:06,086 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2019-11-28 00:21:06,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,160 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2019-11-28 00:21:06,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:06,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:06,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,162 INFO L225 Difference]: With dead ends: 210 [2019-11-28 00:21:06,162 INFO L226 Difference]: Without dead ends: 130 [2019-11-28 00:21:06,163 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 00:21:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-28 00:21:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-11-28 00:21:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 00:21:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2019-11-28 00:21:06,188 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2019-11-28 00:21:06,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,190 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2019-11-28 00:21:06,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2019-11-28 00:21:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:06,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,195 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] [2019-11-28 00:21:06,195 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2019-11-28 00:21:06,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047874615] [2019-11-28 00:21:06,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,366 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 00:21:06,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047874615] [2019-11-28 00:21:06,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:06,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945906838] [2019-11-28 00:21:06,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:06,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:06,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:06,369 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2019-11-28 00:21:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,547 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2019-11-28 00:21:06,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:06,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,552 INFO L225 Difference]: With dead ends: 628 [2019-11-28 00:21:06,552 INFO L226 Difference]: Without dead ends: 507 [2019-11-28 00:21:06,554 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 00:21:06,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-11-28 00:21:06,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2019-11-28 00:21:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 00:21:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2019-11-28 00:21:06,620 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2019-11-28 00:21:06,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,621 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2019-11-28 00:21:06,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2019-11-28 00:21:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:21:06,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,625 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] [2019-11-28 00:21:06,625 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,626 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2019-11-28 00:21:06,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062508276] [2019-11-28 00:21:06,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,767 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 00:21:06,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062508276] [2019-11-28 00:21:06,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:06,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320316952] [2019-11-28 00:21:06,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:06,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:06,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:06,770 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2019-11-28 00:21:06,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,978 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2019-11-28 00:21:06,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:06,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 00:21:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,983 INFO L225 Difference]: With dead ends: 889 [2019-11-28 00:21:06,984 INFO L226 Difference]: Without dead ends: 661 [2019-11-28 00:21:06,986 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 00:21:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-28 00:21:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2019-11-28 00:21:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 00:21:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2019-11-28 00:21:07,014 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2019-11-28 00:21:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,014 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2019-11-28 00:21:07,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2019-11-28 00:21:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:07,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,017 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 00:21:07,017 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,018 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2019-11-28 00:21:07,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042534320] [2019-11-28 00:21:07,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,084 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 00:21:07,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042534320] [2019-11-28 00:21:07,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:07,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271757269] [2019-11-28 00:21:07,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:07,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:07,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:07,087 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2019-11-28 00:21:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,187 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2019-11-28 00:21:07,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:07,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:07,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,191 INFO L225 Difference]: With dead ends: 639 [2019-11-28 00:21:07,191 INFO L226 Difference]: Without dead ends: 413 [2019-11-28 00:21:07,192 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 00:21:07,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-11-28 00:21:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2019-11-28 00:21:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 00:21:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2019-11-28 00:21:07,223 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2019-11-28 00:21:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,223 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2019-11-28 00:21:07,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2019-11-28 00:21:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:07,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,225 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 00:21:07,226 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2019-11-28 00:21:07,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414652250] [2019-11-28 00:21:07,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,275 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 00:21:07,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414652250] [2019-11-28 00:21:07,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:07,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630899309] [2019-11-28 00:21:07,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:07,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:07,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:07,277 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 4 states. [2019-11-28 00:21:07,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,353 INFO L93 Difference]: Finished difference Result 627 states and 863 transitions. [2019-11-28 00:21:07,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:21:07,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 00:21:07,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,357 INFO L225 Difference]: With dead ends: 627 [2019-11-28 00:21:07,357 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 00:21:07,358 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 00:21:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 00:21:07,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 273. [2019-11-28 00:21:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-28 00:21:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2019-11-28 00:21:07,385 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2019-11-28 00:21:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,386 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2019-11-28 00:21:07,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2019-11-28 00:21:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:07,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,388 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 00:21:07,388 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2019-11-28 00:21:07,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231204498] [2019-11-28 00:21:07,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,433 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 00:21:07,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231204498] [2019-11-28 00:21:07,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:07,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640813362] [2019-11-28 00:21:07,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:07,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:07,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:07,436 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2019-11-28 00:21:07,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,529 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2019-11-28 00:21:07,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:21:07,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,532 INFO L225 Difference]: With dead ends: 643 [2019-11-28 00:21:07,532 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 00:21:07,533 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 00:21:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 00:21:07,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-11-28 00:21:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-11-28 00:21:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2019-11-28 00:21:07,565 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2019-11-28 00:21:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,565 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2019-11-28 00:21:07,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2019-11-28 00:21:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:07,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,569 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, 1] [2019-11-28 00:21:07,569 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,570 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2019-11-28 00:21:07,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267650478] [2019-11-28 00:21:07,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,644 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 00:21:07,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267650478] [2019-11-28 00:21:07,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:07,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156115256] [2019-11-28 00:21:07,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:07,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:07,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:07,647 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2019-11-28 00:21:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,723 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2019-11-28 00:21:07,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:21:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,727 INFO L225 Difference]: With dead ends: 579 [2019-11-28 00:21:07,727 INFO L226 Difference]: Without dead ends: 577 [2019-11-28 00:21:07,728 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 00:21:07,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-11-28 00:21:07,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2019-11-28 00:21:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-11-28 00:21:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2019-11-28 00:21:07,767 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2019-11-28 00:21:07,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,767 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2019-11-28 00:21:07,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2019-11-28 00:21:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 00:21:07,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,770 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:07,770 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1115593900, now seen corresponding path program 1 times [2019-11-28 00:21:07,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598825856] [2019-11-28 00:21:07,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 00:21:07,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598825856] [2019-11-28 00:21:07,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:07,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578151472] [2019-11-28 00:21:07,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:07,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:07,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:07,816 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2019-11-28 00:21:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,882 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2019-11-28 00:21:07,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-28 00:21:07,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,884 INFO L225 Difference]: With dead ends: 552 [2019-11-28 00:21:07,885 INFO L226 Difference]: Without dead ends: 228 [2019-11-28 00:21:07,886 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 00:21:07,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-28 00:21:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-11-28 00:21:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 00:21:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-11-28 00:21:07,904 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2019-11-28 00:21:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,905 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-11-28 00:21:07,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-11-28 00:21:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 00:21:07,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,906 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, 1, 1, 1] [2019-11-28 00:21:07,907 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,907 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2019-11-28 00:21:07,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774354056] [2019-11-28 00:21:07,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 00:21:07,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774354056] [2019-11-28 00:21:07,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127052837] [2019-11-28 00:21:07,998 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 00:21:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:08,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:21:08,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 00:21:08,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:08,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2019-11-28 00:21:08,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886006172] [2019-11-28 00:21:08,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:08,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:08,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:08,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:21:08,243 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 6 states. [2019-11-28 00:21:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:08,455 INFO L93 Difference]: Finished difference Result 720 states and 937 transitions. [2019-11-28 00:21:08,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:21:08,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-11-28 00:21:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:08,460 INFO L225 Difference]: With dead ends: 720 [2019-11-28 00:21:08,460 INFO L226 Difference]: Without dead ends: 499 [2019-11-28 00:21:08,461 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-28 00:21:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-11-28 00:21:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2019-11-28 00:21:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 00:21:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2019-11-28 00:21:08,487 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2019-11-28 00:21:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:08,488 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2019-11-28 00:21:08,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2019-11-28 00:21:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:08,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:08,490 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:08,695 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:08,696 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:08,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2019-11-28 00:21:08,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:08,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600617703] [2019-11-28 00:21:08,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:08,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600617703] [2019-11-28 00:21:08,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39976513] [2019-11-28 00:21:08,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:08,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 00:21:08,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:08,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:08,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 00:21:08,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169978024] [2019-11-28 00:21:08,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:08,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:08,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:08,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:08,931 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 3 states. [2019-11-28 00:21:09,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:09,001 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2019-11-28 00:21:09,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:09,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:09,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:09,002 INFO L225 Difference]: With dead ends: 325 [2019-11-28 00:21:09,002 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:09,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:09,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:21:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:09,004 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:09,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:09,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:09,210 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:09,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:09,672 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2019-11-28 00:21:09,941 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 98 [2019-11-28 00:21:10,179 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2019-11-28 00:21:10,435 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 115 [2019-11-28 00:21:10,582 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 109 [2019-11-28 00:21:10,854 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 20 [2019-11-28 00:21:10,977 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 6 [2019-11-28 00:21:11,317 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2019-11-28 00:21:11,637 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-11-28 00:21:11,740 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-11-28 00:21:12,027 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2019-11-28 00:21:12,552 WARN L192 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2019-11-28 00:21:13,068 WARN L192 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2019-11-28 00:21:13,668 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2019-11-28 00:21:14,158 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2019-11-28 00:21:14,447 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-11-28 00:21:14,508 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,508 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:14,509 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2))) [2019-11-28 00:21:14,509 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:14,509 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:14,509 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:14,509 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:14,509 INFO L246 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,509 INFO L246 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,509 INFO L246 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L246 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L246 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L246 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L246 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L246 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,510 INFO L242 CegarLoopResult]: At program point L202(lines 198 204) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:14,511 INFO L246 CegarLoopResult]: For program point L268-2(lines 268 278) no Hoare annotation was computed. [2019-11-28 00:21:14,512 INFO L246 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,512 INFO L246 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,512 INFO L246 CegarLoopResult]: For program point L268-4(lines 268 278) no Hoare annotation was computed. [2019-11-28 00:21:14,512 INFO L246 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,513 INFO L246 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,513 INFO L246 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2019-11-28 00:21:14,513 INFO L246 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-11-28 00:21:14,513 INFO L246 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2019-11-28 00:21:14,513 INFO L246 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2019-11-28 00:21:14,514 INFO L246 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-11-28 00:21:14,514 INFO L246 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2019-11-28 00:21:14,514 INFO L246 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2019-11-28 00:21:14,514 INFO L246 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-11-28 00:21:14,514 INFO L246 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,515 INFO L246 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,515 INFO L246 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,515 INFO L246 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,515 INFO L246 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,515 INFO L246 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2019-11-28 00:21:14,516 INFO L242 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 .cse4 .cse3 .cse1) (and .cse2 .cse5 .cse0 .cse1 .cse6) (and .cse2 .cse4 .cse5 .cse1 .cse6) (and .cse2 .cse4 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 00:21:14,516 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2019-11-28 00:21:14,516 INFO L242 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2019-11-28 00:21:14,516 INFO L242 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2019-11-28 00:21:14,517 INFO L249 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2019-11-28 00:21:14,517 INFO L242 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2019-11-28 00:21:14,517 INFO L242 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2))) [2019-11-28 00:21:14,517 INFO L242 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2019-11-28 00:21:14,517 INFO L242 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2019-11-28 00:21:14,518 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,518 INFO L242 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2019-11-28 00:21:14,518 INFO L242 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2019-11-28 00:21:14,518 INFO L246 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-11-28 00:21:14,518 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:14,519 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 00:21:14,519 INFO L242 CegarLoopResult]: At program point L474(lines 467 477) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 00:21:14,519 INFO L242 CegarLoopResult]: At program point L474-1(lines 467 477) the Hoare annotation is: false [2019-11-28 00:21:14,519 INFO L246 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,519 INFO L242 CegarLoopResult]: At program point L474-2(lines 467 477) the Hoare annotation is: false [2019-11-28 00:21:14,520 INFO L246 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,520 INFO L246 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-11-28 00:21:14,520 INFO L246 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,520 INFO L242 CegarLoopResult]: At program point L342-1(lines 372 378) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1 .cse4) (and .cse2 .cse5 .cse3 .cse1) (and .cse2 .cse6 .cse0 .cse1 .cse4) (and .cse2 .cse5 .cse6 .cse1 .cse4) (and .cse2 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 00:21:14,520 INFO L246 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,521 INFO L246 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,521 INFO L246 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2019-11-28 00:21:14,521 INFO L242 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 .cse4 .cse0 .cse1) (and .cse2 .cse5 .cse4 .cse1) (and .cse2 .cse5 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:14,521 INFO L242 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2019-11-28 00:21:14,521 INFO L242 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2019-11-28 00:21:14,522 INFO L246 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-11-28 00:21:14,522 INFO L242 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:14,522 INFO L242 CegarLoopResult]: At program point L580(lines 1 957) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:14,522 INFO L246 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-11-28 00:21:14,523 INFO L242 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse5 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3))) [2019-11-28 00:21:14,523 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:14,523 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:14,523 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:14,523 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:14,524 INFO L242 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse5 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:14,524 INFO L242 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2019-11-28 00:21:14,524 INFO L242 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2019-11-28 00:21:14,524 INFO L242 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-11-28 00:21:14,525 INFO L242 CegarLoopResult]: At program point L253(lines 248 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:14,525 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 00:21:14,525 INFO L242 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2019-11-28 00:21:14,525 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 00:21:14,525 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse4 .cse0 .cse1) (and .cse2 .cse5 .cse3 .cse4 .cse1) (and .cse2 .cse6 .cse7 .cse0 .cse1) (and .cse2 .cse5 .cse6 .cse7 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:14,526 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:14,526 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:14,526 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:14,526 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:14,526 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:14,527 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-11-28 00:21:14,527 INFO L246 CegarLoopResult]: For program point L157-1(lines 372 378) no Hoare annotation was computed. [2019-11-28 00:21:14,527 INFO L246 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,527 INFO L246 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,527 INFO L246 CegarLoopResult]: For program point L290-2(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,528 INFO L242 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:14,528 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:14,528 INFO L246 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-11-28 00:21:14,528 INFO L242 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 00:21:14,528 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:14,529 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:21:14,530 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:14,530 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 00:21:14,530 INFO L246 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-11-28 00:21:14,530 INFO L246 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-11-28 00:21:14,531 INFO L242 CegarLoopResult]: At program point L264-1(lines 1 957) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse5 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3))) [2019-11-28 00:21:14,531 INFO L246 CegarLoopResult]: For program point L264-2(lines 264 281) no Hoare annotation was computed. [2019-11-28 00:21:14,531 INFO L249 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2019-11-28 00:21:14,531 INFO L242 CegarLoopResult]: At program point L264-3(lines 1 957) the Hoare annotation is: false [2019-11-28 00:21:14,531 INFO L246 CegarLoopResult]: For program point L264-4(lines 264 281) no Hoare annotation was computed. [2019-11-28 00:21:14,531 INFO L242 CegarLoopResult]: At program point L264-5(lines 1 957) the Hoare annotation is: false [2019-11-28 00:21:14,532 INFO L246 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-11-28 00:21:14,532 INFO L246 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2019-11-28 00:21:14,532 INFO L246 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2019-11-28 00:21:14,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:14 BoogieIcfgContainer [2019-11-28 00:21:14,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:14,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:14,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:14,566 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:14,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:05" (3/4) ... [2019-11-28 00:21:14,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:14,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:14,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:14,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:14,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:14,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:14,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:14,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:14,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:14,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:14,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 00:21:14,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:14,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 00:21:14,730 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:14,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:14,733 INFO L168 Benchmark]: Toolchain (without parser) took 11477.26 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:14,733 INFO L168 Benchmark]: CDTParser took 0.31 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 00:21:14,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:14,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.53 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 00:21:14,735 INFO L168 Benchmark]: Boogie Preprocessor took 46.87 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 00:21:14,735 INFO L168 Benchmark]: RCFGBuilder took 1032.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:14,735 INFO L168 Benchmark]: TraceAbstraction took 9452.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Peak memory consumption was 391.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:14,736 INFO L168 Benchmark]: Witness Printer took 165.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:14,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 677.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.53 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 46.87 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 1032.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9452.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Peak memory consumption was 391.3 MB. Max. memory is 11.5 GB. * Witness Printer took 165.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, HoareTripleCheckerStatistics: 1243 SDtfs, 1179 SDslu, 1793 SDs, 0 SdLazy, 230 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, 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, 1377 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 897 HoareAnnotationTreeSize, 45 FomulaSimplifications, 139802 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 28720 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 47208 SizeOfPredicates, 7 NumberOfNonLiveVariables, 836 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 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...