./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_spec4_product25.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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:22:37,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:37,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:37,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:37,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:37,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:37,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:37,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:37,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:37,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:37,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:37,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:37,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:37,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:37,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:37,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:37,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:37,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:37,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:37,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:37,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:37,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:37,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:37,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:38,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:38,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:38,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:38,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:38,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:38,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:38,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:38,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:38,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:38,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:38,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:38,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:38,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:38,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:38,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:38,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:38,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:38,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:38,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:38,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:38,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:38,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:38,050 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:38,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:38,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:38,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:38,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:38,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:38,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:38,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:38,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:38,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:38,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:38,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:38,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:38,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:38,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:38,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:38,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:38,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:38,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:38,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:38,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:38,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:38,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:38,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:38,056 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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-11-28 00:22:38,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:38,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:38,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:38,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:38,389 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:38,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-28 00:22:38,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875820058/3fa57fa3ce824bdf80d872db3c4e8015/FLAG9a7ca327f [2019-11-28 00:22:38,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:38,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-28 00:22:38,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875820058/3fa57fa3ce824bdf80d872db3c4e8015/FLAG9a7ca327f [2019-11-28 00:22:39,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875820058/3fa57fa3ce824bdf80d872db3c4e8015 [2019-11-28 00:22:39,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:39,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:39,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:39,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:39,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:39,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:39,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd09f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39, skipping insertion in model container [2019-11-28 00:22:39,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:39,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:39,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:39,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:39,884 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:39,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:39,993 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:39,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39 WrapperNode [2019-11-28 00:22:39,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:39,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:39,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:39,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:40,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:40,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:40,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:40,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:40,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (1/1) ... [2019-11-28 00:22:40,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:40,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:40,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:40,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:40,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (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 00:22:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:40,872 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:40,873 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 00:22:40,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:40 BoogieIcfgContainer [2019-11-28 00:22:40,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:40,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:40,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:40,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:40,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:39" (1/3) ... [2019-11-28 00:22:40,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d94d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:40, skipping insertion in model container [2019-11-28 00:22:40,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:39" (2/3) ... [2019-11-28 00:22:40,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d94d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:40, skipping insertion in model container [2019-11-28 00:22:40,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:40" (3/3) ... [2019-11-28 00:22:40,890 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-11-28 00:22:40,900 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:40,907 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:40,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:40,940 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:40,940 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:40,940 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:40,940 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:40,941 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:40,941 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:40,941 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:40,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-28 00:22:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:40,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:40,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:40,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:40,968 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-11-28 00:22:40,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:40,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991465088] [2019-11-28 00:22:40,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:41,248 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 00:22:41,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991465088] [2019-11-28 00:22:41,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:41,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:41,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933099002] [2019-11-28 00:22:41,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:41,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:41,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:41,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:41,270 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-28 00:22:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:41,296 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-28 00:22:41,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:41,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:41,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:41,310 INFO L225 Difference]: With dead ends: 144 [2019-11-28 00:22:41,310 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 00:22:41,313 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 00:22:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 00:22:41,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 00:22:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 00:22:41,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 00:22:41,354 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-28 00:22:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:41,354 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 00:22:41,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-28 00:22:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:41,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:41,356 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:41,356 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:41,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-11-28 00:22:41,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:41,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146919198] [2019-11-28 00:22:41,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:41,455 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 00:22:41,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146919198] [2019-11-28 00:22:41,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:41,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:41,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132702753] [2019-11-28 00:22:41,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:41,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:41,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:41,460 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-28 00:22:41,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:41,481 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-28 00:22:41,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:41,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:41,485 INFO L225 Difference]: With dead ends: 71 [2019-11-28 00:22:41,485 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:41,487 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 00:22:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:41,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 00:22:41,498 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 00:22:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:41,499 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 00:22:41,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 00:22:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:41,501 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:41,501 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:41,502 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:41,504 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-11-28 00:22:41,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:41,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556961241] [2019-11-28 00:22:41,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:41,650 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 00:22:41,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556961241] [2019-11-28 00:22:41,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:41,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:41,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740246086] [2019-11-28 00:22:41,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:41,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:41,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:41,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:41,656 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-11-28 00:22:41,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:41,771 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-28 00:22:41,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:41,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 00:22:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:41,775 INFO L225 Difference]: With dead ends: 60 [2019-11-28 00:22:41,776 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:41,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:41,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-28 00:22:41,786 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-28 00:22:41,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:41,789 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-28 00:22:41,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-28 00:22:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:41,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:41,791 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] [2019-11-28 00:22:41,792 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:41,793 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-11-28 00:22:41,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:41,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396153681] [2019-11-28 00:22:41,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:41,980 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 00:22:41,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396153681] [2019-11-28 00:22:41,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:41,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:41,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355932203] [2019-11-28 00:22:41,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:22:41,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:41,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:22:41,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:41,984 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-11-28 00:22:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:42,359 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-11-28 00:22:42,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 00:22:42,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-28 00:22:42,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:42,364 INFO L225 Difference]: With dead ends: 196 [2019-11-28 00:22:42,368 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 00:22:42,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:22:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 00:22:42,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-28 00:22:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 00:22:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-11-28 00:22:42,406 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-11-28 00:22:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:42,406 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-11-28 00:22:42,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:22:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-28 00:22:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:42,409 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:42,409 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 00:22:42,410 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:42,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2019-11-28 00:22:42,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:42,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698679727] [2019-11-28 00:22:42,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:42,494 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 00:22:42,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698679727] [2019-11-28 00:22:42,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:42,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:42,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113236315] [2019-11-28 00:22:42,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:42,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:42,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:42,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:42,497 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-11-28 00:22:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:42,514 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-11-28 00:22:42,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:42,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:22:42,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:42,516 INFO L225 Difference]: With dead ends: 132 [2019-11-28 00:22:42,516 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 00:22:42,520 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 00:22:42,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 00:22:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-28 00:22:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:22:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-28 00:22:42,541 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-28 00:22:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:42,541 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-28 00:22:42,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-28 00:22:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 00:22:42,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:42,544 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:42,545 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2019-11-28 00:22:42,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:42,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434731563] [2019-11-28 00:22:42,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 00:22:42,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434731563] [2019-11-28 00:22:42,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:42,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:42,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689431804] [2019-11-28 00:22:42,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:42,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:42,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:42,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:42,652 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-28 00:22:42,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:42,711 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-28 00:22:42,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:42,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-28 00:22:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:42,713 INFO L225 Difference]: With dead ends: 118 [2019-11-28 00:22:42,713 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:42,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:42,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:42,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-28 00:22:42,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:42,716 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:42,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:42,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:42,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:43,064 INFO L242 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2019-11-28 00:22:43,064 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-11-28 00:22:43,065 INFO L246 CegarLoopResult]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:43,066 INFO L246 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2019-11-28 00:22:43,066 INFO L246 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2019-11-28 00:22:43,066 INFO L246 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,067 INFO L246 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,067 INFO L246 CegarLoopResult]: For program point L286-3(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,067 INFO L246 CegarLoopResult]: For program point L286-5(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,067 INFO L246 CegarLoopResult]: For program point L286-6(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,068 INFO L246 CegarLoopResult]: For program point L286-8(lines 286 290) no Hoare annotation was computed. [2019-11-28 00:22:43,068 INFO L242 CegarLoopResult]: At program point L237(lines 232 240) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,068 INFO L242 CegarLoopResult]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2019-11-28 00:22:43,068 INFO L242 CegarLoopResult]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2019-11-28 00:22:43,069 INFO L246 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-11-28 00:22:43,069 INFO L246 CegarLoopResult]: For program point L832-1(lines 134 140) no Hoare annotation was computed. [2019-11-28 00:22:43,069 INFO L246 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-11-28 00:22:43,070 INFO L242 CegarLoopResult]: At program point L73-1(lines 73 79) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,070 INFO L246 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-11-28 00:22:43,070 INFO L249 CegarLoopResult]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-11-28 00:22:43,070 INFO L242 CegarLoopResult]: At program point L437(lines 432 440) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,071 INFO L242 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-11-28 00:22:43,071 INFO L242 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-11-28 00:22:43,071 INFO L242 CegarLoopResult]: At program point L322(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:43,071 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:43,072 INFO L242 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,072 INFO L242 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2019-11-28 00:22:43,072 INFO L242 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2019-11-28 00:22:43,072 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,073 INFO L242 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-11-28 00:22:43,073 INFO L246 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-11-28 00:22:43,073 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,073 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,073 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,074 INFO L242 CegarLoopResult]: At program point L292(lines 277 295) the Hoare annotation is: false [2019-11-28 00:22:43,074 INFO L242 CegarLoopResult]: At program point L292-1(lines 277 295) the Hoare annotation is: false [2019-11-28 00:22:43,074 INFO L242 CegarLoopResult]: At program point L292-2(lines 277 295) the Hoare annotation is: false [2019-11-28 00:22:43,074 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:43,075 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-28 00:22:43,075 INFO L246 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-11-28 00:22:43,075 INFO L242 CegarLoopResult]: At program point L344-1(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,075 INFO L246 CegarLoopResult]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-11-28 00:22:43,076 INFO L242 CegarLoopResult]: At program point L344-3(lines 1 911) the Hoare annotation is: false [2019-11-28 00:22:43,076 INFO L246 CegarLoopResult]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-11-28 00:22:43,076 INFO L242 CegarLoopResult]: At program point L344-5(lines 1 911) the Hoare annotation is: false [2019-11-28 00:22:43,076 INFO L246 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-11-28 00:22:43,077 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:22:43,077 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:43,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:22:43,077 INFO L249 CegarLoopResult]: At program point L908(lines 889 911) the Hoare annotation is: true [2019-11-28 00:22:43,078 INFO L242 CegarLoopResult]: At program point L330(lines 325 333) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:43,078 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-28 00:22:43,078 INFO L246 CegarLoopResult]: For program point L99-2(lines 134 140) no Hoare annotation was computed. [2019-11-28 00:22:43,078 INFO L242 CegarLoopResult]: At program point L446(lines 441 449) the Hoare annotation is: false [2019-11-28 00:22:43,079 INFO L242 CegarLoopResult]: At program point L446-1(lines 441 449) the Hoare annotation is: false [2019-11-28 00:22:43,079 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-28 00:22:43,079 INFO L242 CegarLoopResult]: At program point L446-2(lines 441 449) the Hoare annotation is: false [2019-11-28 00:22:43,079 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 00:22:43,080 INFO L242 CegarLoopResult]: At program point L83-1(lines 83 89) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,080 INFO L242 CegarLoopResult]: At program point L876(lines 872 878) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,080 INFO L246 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-11-28 00:22:43,080 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2019-11-28 00:22:43,081 INFO L246 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-11-28 00:22:43,081 INFO L246 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-28 00:22:43,081 INFO L246 CegarLoopResult]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-28 00:22:43,081 INFO L246 CegarLoopResult]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-28 00:22:43,082 INFO L242 CegarLoopResult]: At program point L134(lines 133 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:22:43,082 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2019-11-28 00:22:43,082 INFO L242 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2019-11-28 00:22:43,082 INFO L242 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2019-11-28 00:22:43,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:43 BoogieIcfgContainer [2019-11-28 00:22:43,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:43,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:43,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:43,105 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:43,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:40" (3/4) ... [2019-11-28 00:22:43,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:43,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:43,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:43,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:43,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:43,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:43,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:43,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:43,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:22:43,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-28 00:22:43,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 00:22:43,262 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:43,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:43,264 INFO L168 Benchmark]: Toolchain (without parser) took 3989.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.7 MB in the beginning and 857.6 MB in the end (delta: 104.1 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,265 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:43,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.61 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,266 INFO L168 Benchmark]: Boogie Preprocessor took 39.06 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 00:22:43,266 INFO L168 Benchmark]: RCFGBuilder took 762.79 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,267 INFO L168 Benchmark]: TraceAbstraction took 2227.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 871.1 MB in the end (delta: 175.4 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,267 INFO L168 Benchmark]: Witness Printer took 157.44 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 857.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:43,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 715.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.61 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.06 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 762.79 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2227.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 871.1 MB in the end (delta: 175.4 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. * Witness Printer took 157.44 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 857.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 331 SDtfs, 568 SDslu, 415 SDs, 0 SdLazy, 116 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 2001 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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...